From nobody Wed Jul 1 07:48:30 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 519DC3A0C29 for ; Wed, 1 Jul 2020 07:48:27 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=ackl-io.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HZ9CCh1qVKDX for ; Wed, 1 Jul 2020 07:48:23 -0700 (PDT) Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D133E3A0C22 for ; Wed, 1 Jul 2020 07:48:22 -0700 (PDT) Received: by mail-wm1-x334.google.com with SMTP id w3so11096949wmi.4 for ; Wed, 01 Jul 2020 07:48:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ackl-io.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=8z9I7kSmk6P72iubUtDPd6N3HBEo4ARywKBJnNObdGo=; b=XEus+SRmcqdSABTKk1FVs2T9BP9elrsP0S3kjWMexBoBuSkyY5poW6LL9lalCMdwLC oMGyzmpvuHqOCxn2Y7t1Aw/VBm3v1KCJKlVHe0WIq99lUidmmwct0GfOg1D29lu4Zw4N UdruVI1SFnR5+If6OdyMEmUUzlxdAIVmJ+y3bPo2Bv7bKU0zzKPVIYnU/UL/EPx7sCVf rfluSNQ1LMrhmSTT8xsimz9k96oLOcSPSQZnG3AKbSpOgiTIbrEygAE8p+GTv2+EHhJ6 qGbIBhewGw8iBWLIJ4aZccatkk4UjEr03EuE/JmVMo0wS3UtsvASJLCioqXGgVziZXKP LatA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=8z9I7kSmk6P72iubUtDPd6N3HBEo4ARywKBJnNObdGo=; b=GE4XFNXsENddCIp0FugdoGDMcugzHzvQZwgbXI2n2c+vALAygdqqYRfCdw9nohI4F/ bk8imcMsTHE7dE/D18c8L9MjcMabM7vO4EbZ5qrMnZQD8q4HjQf2PjUF5euWqh4Tdj89 gnFABVoftGGINK9FlWFadIYmi5n6NPkAiosMALGtkI2JFCrlkjxPRdcUfwcADQSMdcL0 Ygqb2AD8aTtYjqA9G9rhrFxduog9PozlAgouk+r0kjO7Krc5KUyVK2IP+yLwCF3tIODh gy7TnhMNl6gnpM7ZAY4zgEggDTqUtELmw6aiAS7Hw4iUz90XoEmxMVnyeQ+9K6iQoD2C vCRA== X-Gm-Message-State: AOAM532z1MsDd5U1YPM/qAp+k3AZ7e/zx/SIDG0c1lebBxnWgyC98EcL bMzKkIIz0VB/HxVzv/vEPa61cVWRrq6SB++J8dx8YA== X-Google-Smtp-Source: ABdhPJyPVy/c2yEfNtg7TZmr/doYpMublZw7R+Ws4KLEHkgCegeHucV0anHy+ZRvODhDRvK+ufbFXeUdkn+/fl7lg2o= X-Received: by 2002:a1c:7f87:: with SMTP id a129mr28196404wmd.10.1593614900811; Wed, 01 Jul 2020 07:48:20 -0700 (PDT) MIME-Version: 1.0 References: <20200330213129.m2azrbeaxrtgivfc@anna.jacobs.jacobs-university.de> <20200415162054.s4bjcrienqvrytfz@anna.jacobs.jacobs-university.de> <20200623165938.trkunon5s6wwagdc@anna.jacobs.jacobs-university.de> <20200624100814.7tik6xpa6pfewtil@anna.jacobs.jacobs-university.de> In-Reply-To: <20200624100814.7tik6xpa6pfewtil@anna.jacobs.jacobs-university.de> From: Ivaylo Petrov Date: Wed, 1 Jul 2020 17:47:54 +0300 Message-ID: To: Juergen Schoenwaelder , Ivaylo Petrov , core , NetMod WG Content-Type: multipart/alternative; boundary="0000000000001275ec05a962620b" Archived-At: Subject: Re: [netmod] [core] js review of draft-ietf-core-sid-12 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Jul 2020 14:48:28 -0000 --0000000000001275ec05a962620b Content-Type: text/plain; charset="UTF-8" Hi Juergen, Thanks for those clarifications :) For the CORECONF vs CoMI point, I saw no opposition to only using CORECONF, therefore my plan is to use [1] and rename CoMI to CORECONF everywhere except for the draft name, which I do not intend to change. I tried to rephrase the text about instance-identifiers. Now the terminology section contains a definition of namespace-qualified form that works for any usable schema node and the schema-node-path uses that one now. The latest version can be seen here [2]. The text in the YANG module reads: ``` description "A schema-node path string for use in the YANG SID registry. This string additionally follows the following rules: o The leftmost (top-level) data node name is always in the namespace-qualified form. o Any subsequent schema node name is in the namespace-qualified form if the node is defined in a module other than its parent node, and the simple form is used otherwise. No predicates are allowed. This format is intended to support the YANG 1.1 ABNF for a schema node identifier, except module names are used instead of prefixes."; reference "RFC 7950, The YANG 1.1 Data Modeling Language; Section 6.5: Schema Node Identifier;"; ``` I plan to submit the new version tomorrow or the day after. Best regards, Ivaylo [1]: https://github.com/core-wg/comi/compare/coreconf-only [2]: https://tools.ietf.org/rfcdiff?url1=draft-ietf-core-sid&url2=http://core-wg.github.io/yang-cbor/draft-ietf-core-sid-latest.txt On Wed, Jun 24, 2020 at 1:08 PM Juergen Schoenwaelder < j.schoenwaelder@jacobs-university.de> wrote: > On Wed, Jun 24, 2020 at 09:56:11AM +0200, Ivaylo Petrov wrote: > > Hi Juergen, > > > > Thank you very much for your new comments! Please find my answers below. > > > > On Tue, Jun 23, 2020 at 6:59 PM Juergen Schoenwaelder < > > j.schoenwaelder@jacobs-university.de> wrote: > > > > > On Wed, Jun 10, 2020 at 11:16:47AM +0200, Ivaylo Petrov wrote: > > > > > > > > - Is it CoRECONF or CORECONF? And I find the term CORECONF > confusing. > > > > > > > We have two protocols called NETCONF and RESTCONF and now we > add > > > > > > > another protocol called CoMI and we call CoMI together with > YANG > > > > > > > CBOR and SIDs CORECONF? > > > > > > > > > > > > > > 1) NETCONF + YANG + XML serialization + path naming -> > ? > > > > > > > 2) RESTCONF + YANG + XML|JSON serialization + path naming -> > ? > > > > > > > 3) CoMI + YANG + CBOR serialization + SID naming -> > > > CORECONF > > > > > > > > > > > > > > We do not have a term for 1) and 2) and then we have a term > for > > > 3) > > > > > > > which, however, looks more like the protocol names used in > 1) and > > > > > > > 2). This comment is not specific to this ID, but the > asymmetry > > > > > > > showed up while reading the SID document, I had to look at > other > > > IDs > > > > > > > to understand how things are named. And the SID document says > > > > > > > > > > > > > > YANG is a language designed to model data accessed using > one of > > > the > > > > > > > compatible protocols (e.g. NETCONF [RFC6241], RESCONF > > > [RFC8040] and > > > > > > > CoRECONF [I-D.ietf-core-comi]). > > > > > > > > > > > > > > Then I read the CoMI abstract. It first says CoMI is "a CoAP > > > > > > > Management Interface", it then says "The complete solution > > > composed > > > > > > > of CoMI, [I-D.ietf-core-yang-cbor] and [I-D.ietf-core-sid] is > > > called > > > > > > > CORECONF." and finally it states that "CORECONF extends the > set > > > of > > > > > > > YANG based protocols, NETCONF and RESTCONF, with the > capability > > > to > > > > > > > manage constrained devices and networks.". So I am confused, > is > > > > > > > CORECONF a protocol as stated in this document? Or is CoMI a > > > > > > > protocol? (What is then the difference between a "Management > > > > > > > Interface" and a management protocol?) I am not sure whether > I > > > get > )> > > > > > to review comi, hence I mention my confusion here as I hit > it > > > while > > > > > > > reviewing the sid document. > > > > > > > > > > > > > > > > > > > [IP]: Currently this is indeed somewhat confusing. The proposed > > > change > > > > > from > > > > > > Michael Richardson was to at least have CORECONF in the title of > the > > > CoMI > > > > > > document. I am wondering if that might still leave some of the > > > confusion. > > > > > > For me the simple solution is in this document to refer to CoMI, > not > > > > > > CORECONF and let CoMI draft define what CORECONF actually is. > Unless > > > you > > > > > > think this will still not resolve the issue, this is going to be > my > > > way > > > > > > forward. > > > > > > > > > > Avoiding CORECONF in this document helps to limit the problem. If > CoMI > > > > > is the name of the protocol, I would hope we do not need CORECONF > at > > > > > all. But then CORECONF is all over the place in > > > > > draft-ietf-core-comi-09.txt, it actually looks like the protocol is > > > > > called CORECONF and not CoMI. I really believe this terminology > > > > > confusion needs to be resolved in the WG so the WG actually knows > and > > > > > agrees on the name of the technology they standardize. > > > > > > I am not sure whether this got resolved... > > > > > > > [IP]: You are right - I realized that omission and I have started a > > discussion (so far not many opinions on it though) here [1] focusing > mostly > > on this point. I have proposed 3 options for a way forward - use only > > CORECONF, use only CoMI or find good enough reason to have the clearly > CoAP > > part have a name (CoMI) and CoMI + Content format to be called CORECONF. > I > > currently don't see a reason for having both CoMI and CORECONF as names, > so > > I would rather go with one of the other two options. I will try to see if > > in the past people were more in favour of one or the other. I believe > > Carsten would prefer CORECONF and at the top of my head I don't remember > > anyone voicing any preferences, but I will check that and propose it as > the > > default way forward if there are no replies in the next 6-7 days. > > > > [1]: > https://mailarchive.ietf.org/arch/msg/core/x9RJkfnQgW0Rp3LmHd2CkbOA4DY/ > > Something like this > > | protocol | model. lang. | data encoding | > |----------+--------------+-----------------| > | NETCONF | YANG | XML | > | RESTCONF | YANG | XML, JSON, CBOR | > | CORECONF | YANG | CBOR | > > I can easily explain to others. So far we have managed without > creating additional names for the rows. If we talk about data models, > we talk about 'YANG models' and they are ideally for a large part > agnostic to the protocol(s) and encoding(s) used. If we talk about > protocol specifics, well we have a name for it. Data encoding (or > representation) aspects ideally are protocol agnostic as well - at > least for protocols that can deal with different encodings. One could > add a naming dimension (path vs SIDs) but as long SIDs are only used > as an optimization by the CBOR encoding, this may not be necessary. > > > > > > - This description makes little sense to me: > > > > > > > > > > > > > > typedef sid-file-version-identifier { > > > > > > > type uint64; > > > > > > > description > > > > > > > "Optional attribute that gives information about the .sid > > > file > > > > > > > version."; > > > > > > > } > > > > > > > > > > > > > > This is a type definition. Why does the description talk > about an > > > > > > > optional attribute? The type should not state whether > something > > > > > > > using the type is optional or not. (And I would prefer to > avoid > > > > > > > 'attribute', better use YANG defined terms or just describe > that > > > > > > > this type represents a version number for a SID file.) > > > > > > > > > > > > > > > > > > > [IP]: I believe now it should be more clear. > > > > > > > > > > Yes. I wonder though, is this a simple linear counter? Or can it be > > > > > anything as long as newer > older is satisfied? Or is this just a > tag > > > > > that needs to match and it does not imply any order semantics? > > > > > > > > > > > > > [IP]: The intention was to be newer > older without any implied > > > semantics. I > > > > rephrased the text to capture this. > > > > Old: > > > > "Optional leaf that specifies the version number of the > .sid > > > > file. > > > > .sid files and the version > > > > sequence are specific to a given YANG module revision. > > > > This number starts at zero when there is a YANG module > update. > > > > This number can distinguish updates to the SID file which > are > > > the > > > > result of > > > > new processing, or the result of reported errata."; > > > > New: > > > > "Optional leaf that specifies the version number of the > .sid > > > > file. > > > > .sid files and the version sequence are specific to a given > > > YANG > > > > module revision. This number starts at zero when there is > a new > > > > YANG > > > > module revision and increases monotonically. This number > can > > > > distinguish updates to the .sid file which are the result > of > > > new > > > > processing, or the result of reported errata."; > > > > > > The YANG versioning aims at supporting version histories that are more > > > complex than just a simple linear history. Hence, a simple linear > > > order of the sid version number may have limitations. > > > > > > > [IP]: The .sid file history is linked to a YANG file version and is > > supposed to mostly/only fix errors in the generation. Any change in the > > YANG file version (be it linear or nonlinear) is expected to reset the > .sid > > file version to 0. Please let me know if you believe that this is still > not > > going to work well in some cases or if you think that the text is not > clear > > enough. > > OK. If the sid number space is scoped by the YANG module version, then > there does not seem to be a problem (i.e., if I update a YANG module, > then the sid number space for that version of the YANG module resets > to 0). > > > > > s/Identifies a schema-node path string/A schema-node path" > > > > > > > > > > > > > > It is a bit confusing to define a schema-node path by way of > > > > > > > reference to an instance identifier. I understand that you > borrow > > > > > > > the namespace encoding from the way JSON encode instance > > > identifiers > > > > > > > but this type really represents what RFC 7950 calls an > absolute > > > > > > > schema node identifier, no? Is the term schema-node path > actually > > > > > > > needed or is it the same as absolute schema node identifier? > Or > > > is > > > > > > > the difference between the two how namespaces are > represented? > > > > > > > > > > > > > > > > > > > [IP]: I might have misunderstood something, but my understanding > is > > > that > > > > > > the prefix related to a module could be changed during an import, > > > whereas > > > > > > here we really want to use the module name as a more stable > > > identifier. > > > > > The > > > > > > difference between absolute schema node identifier and > schema-node > > > path > > > > > is > > > > > > that we mandate the use of module name and not prefix as defined > in > > > RFC > > > > > > 7950. > > > > > > > > > > Well, what you model here is an absolute schema node path, except > that > > > > > prefixes are replaced by module names. Note that refering to > > > > > instance-identifier as defined in RFC 7951 has the problem, the RFC > > > > > 7951 definition of an instance-identifier also includes prefixes > > > > > instead of module names. > > > > > > > > > > > > > [IP]: I might be misunderstanding your statement or the text in RFC > 7951, > > > > but if I read sec 6.11. from RFC 7951 correctly, > > > > > > > > The leftmost (top-level) data node name is always in the > > > > namespace-qualified form. > > > > > > > > > > > > In sec 4 of RFC 7951 the namespace-qualified form seems to only use > the > > > > module name and not the prefix. My impression seems to be supported > also > > > by > > > > the example in this section. Due to this I believe the current text > is > > > > actually correct. > > > > > > In an ideal world, the definitions in this document would depend on > > > the YANG specification and not on some other encoding rules. And I > > > think what you are dealing with are absolute-schema-nodeid with the > > > additional rule that prefix values in the node-identifier production > > > are module names. > > > > > > The way the instance-identifier type has been defined is a bit > > > problematic since it is rather XML encoding specific. Hence to get > > > what you want, you have to import the JSON specific solution. If we > > > ever do YANG 2.0 and factor out the XML specific things from the core > > > language, this will likely be addressed. Note that the instance > > > identifier includes predicates in square brackets, which I think your > > > schema-node-path does not need. > > > > > > > [IP]: I believe I see your point. My understanding is that you would > prefer > > this document to not depend on the JSON encoding, but rather define that > > encoding in this document using as a basis the YANG specification. That > > would be fine for me, simply let me know if I understood you correctly. > > > > Yes, this is what I wanted to say in much more complicated words. ;-) > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 > --0000000000001275ec05a962620b Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Juergen,

Than= ks for those clarifications :) For the=C2=A0CORECONF vs CoMI point, I saw n= o opposition=C2=A0to only using CORECONF,=C2=A0therefore my plan is to use = [1] and rename CoMI to CORECONF everywhere except for the draft name, which= I do not intend to change.=C2=A0

I trie= d to rephrase the text about instance-identifiers. Now the terminology sect= ion contains a definition of namespace-qualified form that works for any us= able schema node and the=C2=A0schema-node-path uses that one now. The lates= t version can be seen here [2]. The text in the YANG module reads:

```
=C2=A0 =C2=A0 description
=C2= =A0 =C2=A0 =C2=A0 "A schema-node path string for use in the
=C2=A0 = =C2=A0 =C2=A0 =C2=A0YANG SID registry. This string additionally follows the= following rules:

=C2=A0 =C2=A0 =C2=A0 =C2=A0o =C2=A0The leftmost (t= op-level) data node name is always in the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 namespace-qualified form.
=C2=A0 =C2=A0 =C2=A0 =C2=A0o =C2=A0Any = subsequent schema node name is in the namespace-qualified form
=C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 if the node is defined in a module other than i= ts parent node, and
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 the simple form i= s used otherwise. No predicates are allowed.

=C2=A0 =C2=A0 =C2=A0 = =C2=A0This format is intended to support the YANG 1.1 ABNF
=C2=A0 =C2=A0= =C2=A0 =C2=A0for a schema node identifier, except module names
=C2=A0 = =C2=A0 =C2=A0 =C2=A0are used instead of prefixes.";
=C2=A0 =C2=A0 r= eference
=C2=A0 =C2=A0 =C2=A0 "RFC 7950, The YANG 1.1 Data Modeling= Language;
=C2=A0 =C2=A0 =C2=A0 =C2=A0Section 6.5: Schema Node Identifie= r;";
```

I plan to = submit the new version tomorrow or the day after.

<= div class=3D"gmail_default" style=3D"font-family:verdana,sans-serif;color:#= 0b5394">Best regards,
Ivaylo

[= 2]:=C2=A0https://tools.ietf.o= rg/rfcdiff?url1=3Ddraft-ietf-core-sid&url2=3Dhttp://core-wg.github.io/y= ang-cbor/draft-ietf-core-sid-latest.txt
<= div dir=3D"ltr">

=


On Wed, Jun 24, 2020 at 1:08 PM Juergen S= choenwaelder <j.= schoenwaelder@jacobs-university.de> wrote:
On Wed, Jun 24, 2020 at 09:56:11AM +0200,= Ivaylo Petrov wrote:
> Hi Juergen,
>
> Thank you very much for your new comments! Please find my answers belo= w.
>
> On Tue, Jun 23, 2020 at 6:59 PM Juergen Schoenwaelder <
> j.schoenwaelder@jacobs-university.de> wrote:
>
> > On Wed, Jun 10, 2020 at 11:16:47AM +0200, Ivaylo Petrov wrote: > >
> > > > - Is it CoRECONF or CORECONF? And I find the term COREC= ONF confusing.
> > > > > >=C2=A0 =C2=A0We have two protocols called NETC= ONF and RESTCONF and now we add
> > > > > >=C2=A0 =C2=A0another protocol called CoMI and = we call CoMI together with YANG
> > > > > >=C2=A0 =C2=A0CBOR and SIDs CORECONF?
> > > > > >
> > > > > >=C2=A0 =C2=A01) NETCONF=C2=A0 + YANG + XML=C2= =A0 =C2=A0 =C2=A0 serialization + path naming -> ?
> > > > > >=C2=A0 =C2=A02) RESTCONF + YANG + XML|JSON ser= ialization + path naming -> ?
> > > > > >=C2=A0 =C2=A03) CoMI=C2=A0 =C2=A0 =C2=A0+ YANG= + CBOR=C2=A0 =C2=A0 =C2=A0serialization + SID naming=C2=A0 ->
> > CORECONF
> > > > > >
> > > > > >=C2=A0 =C2=A0We do not have a term for 1) and = 2) and then we have a term for
> > 3)
> > > > > >=C2=A0 =C2=A0which, however, looks more like t= he protocol names used in 1) and
> > > > > >=C2=A0 =C2=A02). This comment is not specific = to this ID, but the asymmetry
> > > > > >=C2=A0 =C2=A0showed up while reading the SID d= ocument, I had to look at other
> > IDs
> > > > > >=C2=A0 =C2=A0to understand how things are name= d. And the SID document says
> > > > > >
> > > > > >=C2=A0 =C2=A0 YANG is a language designed to m= odel data accessed using one of
> > the
> > > > > >=C2=A0 =C2=A0 compatible protocols (e.g.=C2=A0= NETCONF [RFC6241], RESCONF
> > [RFC8040] and
> > > > > >=C2=A0 =C2=A0 CoRECONF [I-D.ietf-core-comi]).<= br> > > > > > >
> > > > > >=C2=A0 =C2=A0Then I read the CoMI abstract. It= first says CoMI is "a CoAP
> > > > > >=C2=A0 =C2=A0Management Interface", it th= en says "The complete solution
> > composed
> > > > > >=C2=A0 =C2=A0of CoMI, [I-D.ietf-core-yang-cbor= ] and [I-D.ietf-core-sid] is
> > called
> > > > > >=C2=A0 =C2=A0CORECONF." and finally it st= ates that "CORECONF extends the set
> > of
> > > > > >=C2=A0 =C2=A0YANG based protocols, NETCONF and= RESTCONF, with the capability
> > to
> > > > > >=C2=A0 =C2=A0manage constrained devices and ne= tworks.". So I am confused, is
> > > > > >=C2=A0 =C2=A0CORECONF a protocol as stated in = this document? Or is CoMI a
> > > > > >=C2=A0 =C2=A0protocol? (What is then the diffe= rence between a "Management
> > > > > >=C2=A0 =C2=A0Interface" and a management = protocol?) I am not sure whether I
> > get
)> > > > > >=C2=A0 =C2=A0to review comi, hence I mention = my confusion here as I hit it
> > while
> > > > > >=C2=A0 =C2=A0reviewing the sid document.
> > > > > >
> > > > >
> > > > > [IP]: Currently this is indeed somewhat confusing.= The proposed
> > change
> > > > from
> > > > > Michael Richardson was to at least have CORECONF i= n the title of the
> > CoMI
> > > > > document. I am wondering if that might still leave= some of the
> > confusion.
> > > > > For me the simple solution is in this document to = refer to CoMI, not
> > > > > CORECONF and let CoMI draft define what CORECONF a= ctually is. Unless
> > you
> > > > > think this will still not resolve the issue, this = is going to be my
> > way
> > > > > forward.
> > > >
> > > > Avoiding CORECONF in this document helps to limit the p= roblem. If CoMI
> > > > is the name of the protocol, I would hope we do not nee= d CORECONF at
> > > > all. But then CORECONF is all over the place in
> > > > draft-ietf-core-comi-09.txt, it actually looks like the= protocol is
> > > > called CORECONF and not CoMI. I really believe this ter= minology
> > > > confusion needs to be resolved in the WG so the WG actu= ally knows and
> > > > agrees on the name of the technology they standardize.<= br> > >
> > I am not sure whether this got resolved...
> >
>
> [IP]: You are right - I realized that omission and I have started a > discussion (so far not many opinions on it though) here [1] focusing m= ostly
> on this point. I have proposed 3 options for a way forward - use only<= br> > CORECONF, use only CoMI or find good enough reason to have the clearly= CoAP
> part have a name (CoMI) and CoMI + Content format to be called CORECON= F. I
> currently don't see a reason for having both CoMI and CORECONF as = names, so
> I would rather go with one of the other two options. I will try to see= if
> in the past people were more in favour of one or the other. I believe<= br> > Carsten would prefer CORECONF and at the top of my head I don't re= member
> anyone voicing any preferences, but I will check that and propose it a= s the
> default way forward if there are no replies in the next 6-7 days.
>
> [1]: https://mailarchive= .ietf.org/arch/msg/core/x9RJkfnQgW0Rp3LmHd2CkbOA4DY/

Something like this

=C2=A0 | protocol | model. lang. | data encoding=C2=A0 =C2=A0|
=C2=A0 |----------+--------------+-----------------|
=C2=A0 | NETCONF=C2=A0 | YANG=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0| XML=C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0|
=C2=A0 | RESTCONF | YANG=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0| XML, JSON, CBOR= |
=C2=A0 | CORECONF | YANG=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0| CBOR=C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 |

I can easily explain to others. So far we have managed without
creating additional names for the rows. If we talk about data models,
we talk about 'YANG models' and they are ideally for a large part agnostic to the protocol(s) and encoding(s) used. If we talk about
protocol specifics, well we have a name for it. Data encoding (or
representation) aspects ideally are protocol agnostic as well - at
least for protocols that can deal with different encodings. One could
add a naming dimension (path vs SIDs) but as long SIDs are only used
as an optimization by the CBOR encoding, this may not be necessary.

> > > > - This description makes little sense to me:
> > > > > >
> > > > > >=C2=A0 =C2=A0typedef sid-file-version-identifi= er {
> > > > > >=C2=A0 =C2=A0 =C2=A0type uint64;
> > > > > >=C2=A0 =C2=A0 =C2=A0description
> > > > > >=C2=A0 =C2=A0 =C2=A0 =C2=A0"Optional attr= ibute that gives information about the .sid
> > file
> > > > > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 version."; > > > > > >=C2=A0 =C2=A0}
> > > > > >
> > > > > >=C2=A0 =C2=A0This is a type definition. Why do= es the description talk about an
> > > > > >=C2=A0 =C2=A0optional attribute? The type shou= ld not state whether something
> > > > > >=C2=A0 =C2=A0using the type is optional or not= . (And I would prefer to avoid
> > > > > >=C2=A0 =C2=A0'attribute', better use Y= ANG defined terms or just describe that
> > > > > >=C2=A0 =C2=A0this type represents a version nu= mber for a SID file.)
> > > > > >
> > > > >
> > > > > [IP]: I believe now it should be more clear.
> > > >
> > > > Yes. I wonder though, is this a simple linear counter? = Or can it be
> > > > anything as long as newer > older is satisfied? Or i= s this just a tag
> > > > that needs to match and it does not imply any order sem= antics?
> > > >
> > >
> > > [IP]: The intention was to be newer > older without any i= mplied
> > semantics. I
> > > rephrased the text to capture this.
> > > Old:
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 "Optional leaf= that specifies the version number of the .sid
> > > file.
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0.sid files and the v= ersion
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0sequence are specifi= c to a given YANG module revision.
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0This number starts a= t zero when there is a YANG module update.
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0This number can dist= inguish updates to the SID file which are
> > the
> > > result of
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0new processing, or t= he result of reported errata.";
> > > New:
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 "Optional leaf= that specifies the version number of the .sid
> > > file.
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0.sid files and the v= ersion sequence are specific to a given
> > YANG
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0module revision. Thi= s number starts at zero when there is a new
> > > YANG
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0module revision and = increases monotonically.=C2=A0 This number can
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0distinguish updates = to the .sid file which are the result of
> > new
> > >=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0processing, or the r= esult of reported errata.";
> >
> > The YANG versioning aims at supporting version histories that are= more
> > complex than just a simple linear history. Hence, a simple linear=
> > order of the sid version number may have limitations.
> >
>
> [IP]: The .sid file history is linked to a YANG file version and is > supposed to mostly/only fix errors in the generation. Any change in th= e
> YANG file version (be it linear or nonlinear) is expected to reset the= .sid
> file version to 0. Please let me know if you believe that this is stil= l not
> going to work well in some cases or if you think that the text is not = clear
> enough.

OK. If the sid number space is scoped by the YANG module version, then
there does not seem to be a problem (i.e., if I update a YANG module,
then the sid number space for that version of the YANG module resets
to 0).

> > >=C2=A0 =C2=A0s/Identifies a schema-node path string/A schema-= node path"
> > > > > >
> > > > > >=C2=A0 =C2=A0It is a bit confusing to define a= schema-node path by way of
> > > > > >=C2=A0 =C2=A0reference to an instance identifi= er. I understand that you borrow
> > > > > >=C2=A0 =C2=A0the namespace encoding from the w= ay JSON encode instance
> > identifiers
> > > > > >=C2=A0 =C2=A0but this type really represents w= hat RFC 7950 calls an absolute
> > > > > >=C2=A0 =C2=A0schema node identifier, no? Is th= e term schema-node path actually
> > > > > >=C2=A0 =C2=A0needed or is it the same as absol= ute schema node identifier? Or
> > is
> > > > > >=C2=A0 =C2=A0the difference between the two ho= w namespaces are represented?
> > > > > >
> > > > >
> > > > > [IP]: I might have misunderstood something, but my= understanding is
> > that
> > > > > the prefix related to a module could be changed du= ring an import,
> > whereas
> > > > > here we really want to use the module name as a mo= re stable
> > identifier.
> > > > The
> > > > > difference between absolute schema node identifier= and schema-node
> > path
> > > > is
> > > > > that we mandate the use of module name and not pre= fix as defined in
> > RFC
> > > > > 7950.
> > > >
> > > > Well, what you model here is an absolute schema node pa= th, except that
> > > > prefixes are replaced by module names. Note that referi= ng to
> > > > instance-identifier as defined in RFC 7951 has the prob= lem, the RFC
> > > > 7951 definition of an instance-identifier also includes= prefixes
> > > > instead of module names.
> > > >
> > >
> > > [IP]: I might be misunderstanding your statement or the text= in RFC 7951,
> > > but if I read sec 6.11. from RFC 7951 correctly,
> > >
> > > The leftmost (top-level) data node name is always in the
> > > namespace-qualified form.
> > >
> > >
> > > In sec 4 of RFC 7951 the namespace-qualified form seems to o= nly use the
> > > module name and not the prefix. My impression seems to be su= pported also
> > by
> > > the example in this section. Due to this I believe the curre= nt text is
> > > actually correct.
> >
> > In an ideal world, the definitions in this document would depend = on
> > the YANG specification and not on some other encoding rules. And = I
> > think what you are dealing with are absolute-schema-nodeid with t= he
> > additional rule that prefix values in the node-identifier product= ion
> > are module names.
> >
> > The way the instance-identifier type has been defined is a bit > > problematic since it is rather XML encoding specific. Hence to ge= t
> > what you want, you have to import the JSON specific solution. If = we
> > ever do YANG 2.0 and factor out the XML specific things from the = core
> > language, this will likely be addressed. Note that the instance > > identifier includes predicates in square brackets, which I think = your
> > schema-node-path does not need.
> >
>
> [IP]: I believe I see your point. My understanding is that you would p= refer
> this document to not depend on the JSON encoding, but rather define th= at
> encoding in this document using as a basis the YANG specification. Tha= t
> would be fine for me, simply let me know if I understood you correctly= .
>

Yes, this is what I wanted to say in much more complicated words. ;-)

/js

--
Juergen Schoenwaelder=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Jacobs Univer= sity Bremen gGmbH
Phone: +49 421 200 3587=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Campus Ring 1 | 28= 759 Bremen | Germany
Fax:=C2=A0 =C2=A0+49 421 200 3103=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<https://www.jacobs-university.de/>
--0000000000001275ec05a962620b-- From nobody Thu Jul 2 08:58:55 2020 Return-Path: <0100017310408090-8082a1e3-6c7d-4776-9f0d-f95ef6386a12-000000@amazonses.watsen.net> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D47B83A094D; Thu, 2 Jul 2020 08:58:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=amazonses.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MJf8IA8IK0ng; Thu, 2 Jul 2020 08:58:51 -0700 (PDT) Received: from a8-83.smtp-out.amazonses.com (a8-83.smtp-out.amazonses.com [54.240.8.83]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 00B863A0953; Thu, 2 Jul 2020 08:58:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1593705529; h=From:Message-Id:Content-Type:Mime-Version:Subject:Date:In-Reply-To:Cc:To:References:Feedback-ID; bh=ZwW6zbwSJJwCGrsPnWa7BUBj3NM0PDqfd9/fQ1A4Acs=; b=S3OlQ0MELNkNeC8yrncAJ99QfrOPdPSYRKu0Gco4Wd7Z3W4Mb+uV6sYqmcshORCg LVeDXqjPAmle99Lek5iQol/uwsLaCuPL/C0AVUfgnlfoFoZ9bOEHIRUOdLKl2Py3gX9 6DLHdaRcaSOTE48xIt1S1RSw6eqIWEVkcM9RkE3k= From: Kent Watsen Message-ID: <0100017310408090-8082a1e3-6c7d-4776-9f0d-f95ef6386a12-000000@email.amazonses.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_D0860E05-1B89-45B1-9544-ADDCEB140690" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Thu, 2 Jul 2020 15:58:49 +0000 In-Reply-To: <01000173013634de-b2d4113b-6478-4b50-975f-994a471d89fb-000000@email.amazonses.com> Cc: "netmod-chairs@ietf.org" To: "netmod@ietf.org" References: <159321547899.12018.9636080960886369588@ietfa.amsl.com> <01000173013634de-b2d4113b-6478-4b50-975f-994a471d89fb-000000@email.amazonses.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SES-Outgoing: 2020.07.02-54.240.8.83 Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES Archived-At: Subject: [netmod] Call to presentations (was: Fwd: IETF 108 Preliminary Agenda) X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Jul 2020 15:58:53 -0000 --Apple-Mail=_D0860E05-1B89-45B1-9544-ADDCEB140690 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 [changing the Subject line for better visibility] All, please see the message below. For those that already submitted requests, there is no need to submit = again. NETMOD Chairs > On Jun 29, 2020, at 1:53 PM, Kent Watsen wrote: >=20 > NETMOD WG, >=20 > According to the preliminary agenda (see below), NETMOD is scheduled = to meet for 100-minutes on Tuesday, July 28th from 11:00-12:40 UTC. >=20 > If you are interested in presenting to the WG, please send your = presentation requests to the "netmod-chairs" alias (CC-ed) with the = following information, for each presentation request, if more than one: >=20 > - name of the drafts (if any) > - name of presentation (usually the title of the draft) > - name of the presenter(s) > - desired time request (in minutes) >=20 >=20 > Authors, per=C2=A0the 108 Important Dates page = , the draft = submission cutoff is in two weeks, on Monday July 13th. Please be sure = to update your drafts before then. >=20 > NETMOD Chairs >=20 >=20 >> Begin forwarded message: >>=20 >> From: IETF Agenda > >> Subject: IETF 108 Preliminary Agenda >> Date: June 26, 2020 at 7:51:19 PM EDT >> To: "IETF Announcement List" > >> Cc: 108all@ietf.org , ietf@ietf.org = >> Reply-To: agenda@ietf.org >>=20 >> The IETF 108 Preliminary Agenda has been posted. The final agenda = will be published on Thursday, July 3, 2020. >>=20 >> https://datatracker.ietf.org/meeting/108/agenda.html = >> https://datatracker.ietf.org/meeting/108/agenda.txt >>=20 >> The preliminary agenda includes all planned WG, RG, and ANRW = sessions. We are still finalizing details for a few of our usual = meeting-adjacent events, so please look out for further details about = those. Information about side meeting signups will be available when the = final agenda is posted. >>=20 >> IETF 108 Information: https://www.ietf.org/how/meetings/108/ >> Register online at: https://registration.ietf.org/108/ >>=20 >> Don=E2=80=99t forget to register for these exciting IETF 108 events! >>=20 >>=20 >> Hackathon=20 >> Signup: https://registration.ietf.org/108/new/hackathon/ >> More information: = https://www.ietf.org/how/runningcode/hackathons/108-hackathon/ >> Keep up to date by subscribing to:=20 >> https://www.ietf.org/mailman/listinfo/hackathon >>=20 >>=20 >> Code Sprint >> More details coming soon! >>=20 >=20 --Apple-Mail=_D0860E05-1B89-45B1-9544-ADDCEB140690 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 [changing the Subject line for better visibility]


All, please see the message below.

For those that already submitted = requests, there is no need to submit again.


NETMOD Chairs




On Jun 29, 2020, at 1:53 PM, = Kent Watsen <kent@watsen.net> wrote:

NETMOD = WG,

According = to the preliminary agenda (see below), NETMOD is scheduled to meet for = 100-minutes on Tuesday, July 28th from 11:00-12:40 UTC.

If you are interested in = presenting to the WG, please send your presentation requests to the = "netmod-chairs" alias (CC-ed) with the following information, for = each presentation request, if more than one:

 - name of the drafts (if any)
 - = name of presentation (usually the title of the draft)
 - name of the presenter(s)
 - desired time request (in minutes)


Authors, = per the 108 Important Dates page, the draft submission = cutoff is in two weeks, on Monday July 13th.  Please be sure to update = your drafts before then.

NETMOD Chairs


Begin = forwarded message:

From: IETF Agenda <agenda@ietf.org>
Subject: IETF 108 Preliminary Agenda
Date: June 26, 2020 at 7:51:19 PM EDT
To: "IETF Announcement List" <ietf-announce@ietf.org>
Cc: 108all@ietf.org, ietf@ietf.org
Reply-To: = agenda@ietf.org

The= IETF 108 Preliminary Agenda has been posted. The final agenda will be = published on Thursday, July 3, 2020.

https://datatracker.ietf.org/meeting/108/agenda.html
https://datatracker.ietf.org/meeting/108/agenda.txt

The preliminary agenda includes all planned = WG, RG, and ANRW sessions. We are still finalizing details for a few of = our usual meeting-adjacent events, so please look out for further = details about those. Information about side meeting signups will be = available when the final agenda is posted.

IETF 108 Information: = https://www.ietf.org/how/meetings/108/
Register online at: = https://registration.ietf.org/108/

Don=E2=80=99= t forget to register for these exciting IETF 108 events!

Hackathon
Signup: = https://registration.ietf.org/108/new/hackathon/
More = information: = https://www.ietf.org/how/runningcode/hackathons/108-hackathon/
= Keep up to date by subscribing to:
= https://www.ietf.org/mailman/listinfo/hackathon


Code Sprint
More = details coming soon!



= --Apple-Mail=_D0860E05-1B89-45B1-9544-ADDCEB140690-- From nobody Thu Jul 2 09:53:56 2020 Return-Path: <010001731072e1f9-a7bdad12-5be4-46bd-a995-83039af827e8-000000@amazonses.watsen.net> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5F7213A0B92; Thu, 2 Jul 2020 09:53:54 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=amazonses.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DseVwdHJz8G6; Thu, 2 Jul 2020 09:53:53 -0700 (PDT) Received: from a48-94.smtp-out.amazonses.com (a48-94.smtp-out.amazonses.com [54.240.48.94]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AF42C3A0B91; Thu, 2 Jul 2020 09:53:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1593708831; h=From:Message-Id:Content-Type:Mime-Version:Subject:Date:In-Reply-To:Cc:To:References:Feedback-ID; bh=coC/wrGQMM1bIbt6zz8GlSYGPnt7sVYBlTUlnJXWUbA=; b=PcV1bvcmaHB8xumadl70/Y7MQw9zgbLLh99OQDMAcTyNu/eO/WqKKeXRN6X7Cy4T dhf+1K9hxrnXCYVGtd4hn0My3OcG6K4XnoX+Y5Tvjc7x+Sc5UP4Dx5P4T9R7rMrYBjJ YzJV3NS0x0nAkjBD+iA6pj36b4j/srFEOovL8d3A= From: Kent Watsen Message-ID: <010001731072e1f9-a7bdad12-5be4-46bd-a995-83039af827e8-000000@email.amazonses.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_6E231B2A-4F10-4C9A-8D21-91F8868764F5" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Thu, 2 Jul 2020 16:53:51 +0000 In-Reply-To: <0100017310408090-8082a1e3-6c7d-4776-9f0d-f95ef6386a12-000000@email.amazonses.com> Cc: "netmod-chairs@ietf.org" To: "netmod@ietf.org" References: <159321547899.12018.9636080960886369588@ietfa.amsl.com> <01000173013634de-b2d4113b-6478-4b50-975f-994a471d89fb-000000@email.amazonses.com> <0100017310408090-8082a1e3-6c7d-4776-9f0d-f95ef6386a12-000000@email.amazonses.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SES-Outgoing: 2020.07.02-54.240.48.94 Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES Archived-At: Subject: [netmod] Call for presentations X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Jul 2020 16:53:55 -0000 --Apple-Mail=_6E231B2A-4F10-4C9A-8D21-91F8868764F5 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 [fixing typo - silly me] K. > On Jul 2, 2020, at 11:58 AM, Kent Watsen wrote: >=20 > [changing the Subject line for better visibility] >=20 >=20 > All, please see the message below. >=20 > For those that already submitted requests, there is no need to submit = again. >=20 >=20 > NETMOD Chairs >=20 >=20 >=20 >=20 >> On Jun 29, 2020, at 1:53 PM, Kent Watsen > wrote: >>=20 >> NETMOD WG, >>=20 >> According to the preliminary agenda (see below), NETMOD is scheduled = to meet for 100-minutes on Tuesday, July 28th from 11:00-12:40 UTC. >>=20 >> If you are interested in presenting to the WG, please send your = presentation requests to the "netmod-chairs" alias (CC-ed) with the = following information, for each presentation request, if more than one: >>=20 >> - name of the drafts (if any) >> - name of presentation (usually the title of the draft) >> - name of the presenter(s) >> - desired time request (in minutes) >>=20 >>=20 >> Authors, per=C2=A0the 108 Important Dates page = , the draft = submission cutoff is in two weeks, on Monday July 13th. Please be sure = to update your drafts before then. >>=20 >> NETMOD Chairs >>=20 >>=20 >>> Begin forwarded message: >>>=20 >>> From: IETF Agenda > >>> Subject: IETF 108 Preliminary Agenda >>> Date: June 26, 2020 at 7:51:19 PM EDT >>> To: "IETF Announcement List" > >>> Cc: 108all@ietf.org , ietf@ietf.org = >>> Reply-To: agenda@ietf.org >>>=20 >>> The IETF 108 Preliminary Agenda has been posted. The final agenda = will be published on Thursday, July 3, 2020. >>>=20 >>> https://datatracker.ietf.org/meeting/108/agenda.html = >>> https://datatracker.ietf.org/meeting/108/agenda.txt = >>>=20 >>> The preliminary agenda includes all planned WG, RG, and ANRW = sessions. We are still finalizing details for a few of our usual = meeting-adjacent events, so please look out for further details about = those. Information about side meeting signups will be available when the = final agenda is posted. >>>=20 >>> IETF 108 Information: https://www.ietf.org/how/meetings/108/ >>> Register online at: https://registration.ietf.org/108/ >>>=20 >>> Don=E2=80=99t forget to register for these exciting IETF 108 events! >>>=20 >>>=20 >>> Hackathon=20 >>> Signup: https://registration.ietf.org/108/new/hackathon/ >>> More information: = https://www.ietf.org/how/runningcode/hackathons/108-hackathon/ >>> Keep up to date by subscribing to:=20 >>> https://www.ietf.org/mailman/listinfo/hackathon >>>=20 >>>=20 >>> Code Sprint >>> More details coming soon! >>>=20 >>=20 >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod --Apple-Mail=_6E231B2A-4F10-4C9A-8D21-91F8868764F5 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 [fixing typo - silly me]

K.


On Jul = 2, 2020, at 11:58 AM, Kent Watsen <kent+ietf@watsen.net> wrote:

[changing the Subject = line for better visibility]


All, please see the = message below.

For those that already submitted requests, there is no need = to submit again.


NETMOD Chairs




On Jun 29, 2020, at 1:53 PM, = Kent Watsen <kent@watsen.net> wrote:

NETMOD = WG,

According = to the preliminary agenda (see below), NETMOD is scheduled to meet for = 100-minutes on Tuesday, July 28th from 11:00-12:40 UTC.

If you are interested in = presenting to the WG, please send your presentation requests to the = "netmod-chairs" alias (CC-ed) with the following information, for = each presentation request, if more than one:

 - name of the drafts (if any)
 - = name of presentation (usually the title of the draft)
 - name of the presenter(s)
 - desired time request (in minutes)


Authors, = per the 108 Important Dates page, the draft submission = cutoff is in two weeks, on Monday July 13th.  Please be sure to update = your drafts before then.

NETMOD Chairs


Begin = forwarded message:

From: IETF Agenda <agenda@ietf.org>
Subject: IETF 108 Preliminary Agenda
Date: June 26, 2020 at 7:51:19 PM EDT
To: "IETF Announcement List" <ietf-announce@ietf.org>
Cc: 108all@ietf.org, ietf@ietf.org
Reply-To: = agenda@ietf.org

The= IETF 108 Preliminary Agenda has been posted. The final agenda will be = published on Thursday, July 3, 2020.

https://datatracker.ietf.org/meeting/108/agenda.html
https://datatracker.ietf.org/meeting/108/agenda.txt

The preliminary agenda includes all planned = WG, RG, and ANRW sessions. We are still finalizing details for a few of = our usual meeting-adjacent events, so please look out for further = details about those. Information about side meeting signups will be = available when the final agenda is posted.

IETF 108 Information: https://www.ietf.org/how/meetings/108/
Register online at: https://registration.ietf.org/108/

Don=E2=80=99t forget to register for these exciting IETF 108 = events!


Hackathon
= Signup: https://registration.ietf.org/108/new/hackathon/
= More information: https://www.ietf.org/how/runningcode/hackathons/108-hackathon/<= /a>
Keep up to date by subscribing = to:
https://www.ietf.org/mailman/listinfo/hackathon


Code Sprint
More = details coming soon!



_______________________________________________
netmod mailing list
netmod@ietf.org
https://www.ietf.org/mailman/listinfo/netmod

= --Apple-Mail=_6E231B2A-4F10-4C9A-8D21-91F8868764F5-- From nobody Thu Jul 2 17:21:30 2020 Return-Path: X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 3469C3A0968; Thu, 2 Jul 2020 17:20:31 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: "\"IETF Secretariat\"" To: , Cc: rwilton@cisco.com, netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.7.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <159373563119.30173.8648453200070321812@ietfa.amsl.com> Date: Thu, 02 Jul 2020 17:20:31 -0700 Archived-At: Subject: [netmod] netmod - Requested session has been scheduled for IETF 108 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Jul 2020 00:20:37 -0000 Dear Lou Berger, The session(s) that you have requested have been scheduled. Below is the scheduled session information followed by the original request. netmod Session 1 (1:40 requested) Thursday, 30 July 2020, Session III 1410-1550 Room Name: Room 4 size: 4 --------------------------------------------- iCalendar: https://datatracker.ietf.org/meeting/108/sessions/netmod.ics Request Information: --------------------------------------------------------- Working Group Name: Network Modeling Area Name: Operations and Management Area Session Requester: Lou Berger Number of Sessions: 1 Length of Session(s): 100 Minutes Number of Attendees: 100 Conflicts to Avoid: Chair Conflict: netconf teas detnet Technology Overlap: rtgwg Key Participant Conflict: tcpm httpbis People who must be present: Lou Berger Joel Jaeggli Kent Watsen Robert Wilton Resources Requested: Special Requests: jelly beans at the table Chair is not available on Friday --------------------------------------------------------- From nobody Fri Jul 3 11:25:43 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 500AE3A0D0B; Fri, 3 Jul 2020 11:25:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id h_FJgU2CQf_d; Fri, 3 Jul 2020 11:25:40 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D7BCF3A0D08; Fri, 3 Jul 2020 11:25:39 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 4DD82691; Fri, 3 Jul 2020 20:25:38 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id eo1GW30dTCeb; Fri, 3 Jul 2020 20:25:38 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Fri, 3 Jul 2020 20:25:38 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 0641F20154; Fri, 3 Jul 2020 20:25:38 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id Cjz6KzQtRhkk; Fri, 3 Jul 2020 20:25:37 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 9F408200E4; Fri, 3 Jul 2020 20:25:37 +0200 (CEST) Date: Fri, 3 Jul 2020 20:25:36 +0200 From: Juergen Schoenwaelder To: Ivaylo Petrov Cc: core , NetMod WG Message-ID: <20200703182536.6ptq4hco5qi5rqgn@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder Mail-Followup-To: Ivaylo Petrov , core , NetMod WG References: <20200330213129.m2azrbeaxrtgivfc@anna.jacobs.jacobs-university.de> <20200415162054.s4bjcrienqvrytfz@anna.jacobs.jacobs-university.de> <20200623165938.trkunon5s6wwagdc@anna.jacobs.jacobs-university.de> <20200624100814.7tik6xpa6pfewtil@anna.jacobs.jacobs-university.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Archived-At: Subject: Re: [netmod] [core] js review of draft-ietf-core-sid-12 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Jul 2020 18:25:42 -0000 On Wed, Jul 01, 2020 at 05:47:54PM +0300, Ivaylo Petrov wrote: > > I tried to rephrase the text about instance-identifiers. Now the > terminology section contains a definition of namespace-qualified form that > works for any usable schema node and the schema-node-path uses that one > now. The latest version can be seen here [2]. The text in the YANG module > reads: > > ``` > description > "A schema-node path string for use in the > YANG SID registry. This string additionally follows the following > rules: > > o The leftmost (top-level) data node name is always in the > namespace-qualified form. > o Any subsequent schema node name is in the namespace-qualified form > if the node is defined in a module other than its parent node, and > the simple form is used otherwise. No predicates are allowed. > > This format is intended to support the YANG 1.1 ABNF > for a schema node identifier, except module names > are used instead of prefixes."; > reference > "RFC 7950, The YANG 1.1 Data Modeling Language; > Section 6.5: Schema Node Identifier;"; > ``` Is the intention to cover both "absolute" and "descendant" forms? If schema-node path string are limited to the absolute form (which the name 'schema-node _path_' suggests), perhaps say so. Here is an attempt: "A schema-node path string for use in the YANG SID registry. A schema-node path is an absolute YANG schema node identifier as defined by the YANG ABNF rule absolute-schema-nodeid, except that module names are used instead of prefixes. This string additionally follows the following rules: o The leftmost (top-level) data node name is always in the namespace-qualified form. o Any subsequent schema node name is in the namespace-qualified form if the node is defined in a module other than its parent node, and the simple form is used otherwise. No predicates are allowed."; /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Sat Jul 4 02:02:37 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 23D8E3A03FF for ; Sat, 4 Jul 2020 02:02:35 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=ackl-io.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id E_Sh8sCBqeuw for ; Sat, 4 Jul 2020 02:02:32 -0700 (PDT) Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E95753A07C2 for ; Sat, 4 Jul 2020 02:02:28 -0700 (PDT) Received: by mail-wm1-x32c.google.com with SMTP id l2so34904506wmf.0 for ; Sat, 04 Jul 2020 02:02:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ackl-io.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=nRisX8gFucN8RynG7GOKz5lBQQpvQ5StmpXvuj72AB4=; b=Gi+9y+ZOn6gskCeLx1Dv/Sv/6eoKZiMlpvFmzSATTFEb5Pe+tGTuHfxeASDf/Upv8N n3zvzp8crokeVazPZ5XQGcHCitsgWE7qA9CB09loUBCpjvUH+YcxY/diniTA6dRWEnDB SKBcqDi9eOpoOz3buxCJ1KxXMDRhVvzHZ82qiKyomUY1zrB0waY8wCPT3e97oge8yBle lxPXZLm990lsb06/LGodnYk/qM/DHB73iUWaH8HwHTqxAcSO2HMk3BpsW3XlBHBMtga2 pZlKKfEIqyXsnqRriYjkfS6TPgi22BrDEwHziwTLAbYzJcH5fWgTClzXpjK12dyPQ85j E1qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=nRisX8gFucN8RynG7GOKz5lBQQpvQ5StmpXvuj72AB4=; b=CfteA135O/5ZIYSvZlwHL0VSNUBTqAprwdLCwXiP0vnvNtEglSHZvodFxI4AvYutcS YCKgGfPQXdwoEVZT9uf2cE+Sti24hWdAy1dpRqAvL96mZULWo5XMDOnLL0XehyGe12S1 GZEB0BMf0CvS6FUZ2IUBUkoEZsjs/vXRxEPwvmpnwppc2U0SUl1+RsoOr5mV0PlJ1ml4 nbPKp/A75sBxiEWUNOLz46VgH+lWs2rcALAKiuNnp5BXPclRwaTaEI4MmUHKao7EOQi5 I9QSHIILz+N4nYh2x1FgpkkeUUgx6sAUC2JQMjMWTT0yKI0wdtXqgkxwjw+FiYgpZwwJ 2dXw== X-Gm-Message-State: AOAM530zzOwyZqziGr2Zu7DeHhSujxBZolkzGWBD04aMhGM8ZV1YaFiU jS5QUG2bGWnv6PDIM1BplPQzuloCAF44GXYmqosyjw== X-Google-Smtp-Source: ABdhPJwh21wNic+JL5TDJ1zWAUQS8G/69EJoukmb54gLyU7F89BHjM3dUNmTJH7gbPHaNg44cJDMsj+mnxc8bJR+rxQ= X-Received: by 2002:a1c:7f87:: with SMTP id a129mr42086187wmd.10.1593853347236; Sat, 04 Jul 2020 02:02:27 -0700 (PDT) MIME-Version: 1.0 References: <20200330213129.m2azrbeaxrtgivfc@anna.jacobs.jacobs-university.de> <20200415162054.s4bjcrienqvrytfz@anna.jacobs.jacobs-university.de> <20200623165938.trkunon5s6wwagdc@anna.jacobs.jacobs-university.de> <20200624100814.7tik6xpa6pfewtil@anna.jacobs.jacobs-university.de> <20200703182536.6ptq4hco5qi5rqgn@anna.jacobs.jacobs-university.de> In-Reply-To: <20200703182536.6ptq4hco5qi5rqgn@anna.jacobs.jacobs-university.de> From: Ivaylo Petrov Date: Sat, 4 Jul 2020 12:02:01 +0300 Message-ID: To: Juergen Schoenwaelder , Ivaylo Petrov , core , NetMod WG Content-Type: multipart/alternative; boundary="000000000000961b4705a999e648" Archived-At: Subject: Re: [netmod] [core] js review of draft-ietf-core-sid-12 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 Jul 2020 09:02:35 -0000 --000000000000961b4705a999e648 Content-Type: text/plain; charset="UTF-8" Thank you, Juergen, for the suggestion! That was indeed what I intended to say, so I used your text directly. Best regards, Ivaylo On Fri, Jul 3, 2020 at 9:25 PM Juergen Schoenwaelder < j.schoenwaelder@jacobs-university.de> wrote: > On Wed, Jul 01, 2020 at 05:47:54PM +0300, Ivaylo Petrov wrote: > > > > I tried to rephrase the text about instance-identifiers. Now the > > terminology section contains a definition of namespace-qualified form > that > > works for any usable schema node and the schema-node-path uses that one > > now. The latest version can be seen here [2]. The text in the YANG module > > reads: > > > > ``` > > description > > "A schema-node path string for use in the > > YANG SID registry. This string additionally follows the following > > rules: > > > > o The leftmost (top-level) data node name is always in the > > namespace-qualified form. > > o Any subsequent schema node name is in the namespace-qualified > form > > if the node is defined in a module other than its parent node, > and > > the simple form is used otherwise. No predicates are allowed. > > > > This format is intended to support the YANG 1.1 ABNF > > for a schema node identifier, except module names > > are used instead of prefixes."; > > reference > > "RFC 7950, The YANG 1.1 Data Modeling Language; > > Section 6.5: Schema Node Identifier;"; > > ``` > > Is the intention to cover both "absolute" and "descendant" forms? > > If schema-node path string are limited to the absolute form (which the > name 'schema-node _path_' suggests), perhaps say so. Here is an > attempt: > > "A schema-node path string for use in the YANG SID registry. > > A schema-node path is an absolute YANG schema node identifier as > defined by the YANG ABNF rule absolute-schema-nodeid, except > that module names are used instead of prefixes. > > This string additionally follows the following rules: > > o The leftmost (top-level) data node name is always in the > namespace-qualified form. > > o Any subsequent schema node name is in the namespace-qualified > form if the node is defined in a module other than its parent > node, and the simple form is used otherwise. No predicates > are allowed."; > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 > --000000000000961b4705a999e648 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thank you, Juergen, for the suggestion! That was = indeed what=C2=A0I intended to say, so I used your text directly.

Best regards,
Ivaylo
=


On Fri, Jul 3, 20= 20 at 9:25 PM Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> wrote:
On Wed, Jul 01, 20= 20 at 05:47:54PM +0300, Ivaylo Petrov wrote:
>
> I tried to rephrase the text about instance-identifiers. Now the
> terminology section contains a definition of namespace-qualified form = that
> works for any usable schema node and the schema-node-path uses that on= e
> now. The latest version can be seen here [2]. The text in the YANG mod= ule
> reads:
>
> ```
>=C2=A0 =C2=A0 =C2=A0description
>=C2=A0 =C2=A0 =C2=A0 =C2=A0"A schema-node path string for use in t= he
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 YANG SID registry. This string additionally= follows the following
> rules:
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 o=C2=A0 The leftmost (top-level) data node = name is always in the
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0namespace-qualified form.
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 o=C2=A0 Any subsequent schema node name is = in the namespace-qualified form
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0if the node is defined in a mo= dule other than its parent node, and
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0the simple form is used otherw= ise. No predicates are allowed.
>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 This format is intended to support the YANG= 1.1 ABNF
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 for a schema node identifier, except module= names
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 are used instead of prefixes.";
>=C2=A0 =C2=A0 =C2=A0reference
>=C2=A0 =C2=A0 =C2=A0 =C2=A0"RFC 7950, The YANG 1.1 Data Modeling L= anguage;
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 Section 6.5: Schema Node Identifier;";=
> ```

Is the intention to cover both "absolute" and "descendant&qu= ot; forms?

If schema-node path string are limited to the absolute form (which the
name 'schema-node _path_' suggests), perhaps say so. Here is an
attempt:

=C2=A0 =C2=A0 =C2=A0"A schema-node path string for use in the YANG SID= registry.

=C2=A0 =C2=A0 =C2=A0 A schema-node path is an absolute YANG schema node ide= ntifier as
=C2=A0 =C2=A0 =C2=A0 defined by the YANG ABNF rule absolute-schema-nodeid, = except
=C2=A0 =C2=A0 =C2=A0 that module names are used instead of prefixes.

=C2=A0 =C2=A0 =C2=A0 This string additionally follows the following rules:<= br>
=C2=A0 =C2=A0 =C2=A0 o The leftmost (top-level) data node name is always in= the
=C2=A0 =C2=A0 =C2=A0 =C2=A0 namespace-qualified form.

=C2=A0 =C2=A0 =C2=A0 o Any subsequent schema node name is in the namespace-= qualified
=C2=A0 =C2=A0 =C2=A0 =C2=A0 form if the node is defined in a module other t= han its parent
=C2=A0 =C2=A0 =C2=A0 =C2=A0 node, and the simple form is used otherwise. No= predicates
=C2=A0 =C2=A0 =C2=A0 =C2=A0 are allowed.";

/js

--
Juergen Schoenwaelder=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Jacobs Univer= sity Bremen gGmbH
Phone: +49 421 200 3587=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Campus Ring 1 | 28= 759 Bremen | Germany
Fax:=C2=A0 =C2=A0+49 421 200 3103=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<https://www.jacobs-university.de/>
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This causes the ietf.org validation to fail for all active drafts that directly or indirectly import ietf-yang-types. The validation tools do not catch that problem for draft-ietf-netmod-rfc6991-bis-03 itself. Only when it is imported. And looking into the output of the validation script: ... draft-ietf-netmod-rfc6991-bis-03.txt: ...  # read ietf-yang-types@2020-06-26.yang (CL) ... Seems like the validation script is too smart and corrects the file name replacing 2019-11-04 with 2020-06-26 when extracting the modules from the RFC without error or warning message. /Vladimir On 26/06/2020 17.01, internet-drafts@ietf.org wrote: > A New Internet-Draft is available from the on-line Internet-Drafts > directories. > This draft is a work item of the Network Modeling WG of the IETF. > > Title : Common YANG Data Types > Author : Juergen Schoenwaelder > Filename : draft-ietf-netmod-rfc6991-bis-03.txt > Pages : 48 > Date : 2020-06-26 > > Abstract: > This document introduces a collection of common data types to be used > with the YANG data modeling language. This document obsoletes RFC > 6991. > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-netmod-rfc6991-bis/ > From nobody Mon Jul 6 06:41:16 2020 Return-Path: X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id B1AF13A14C8; Mon, 6 Jul 2020 06:41:09 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.7.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <159404286966.28325.14067103123946467593@ietfa.amsl.com> Date: Mon, 06 Jul 2020 06:41:09 -0700 Archived-At: Subject: [netmod] I-D Action: draft-ietf-netmod-rfc6991-bis-04.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Jul 2020 13:41:10 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : Common YANG Data Types Author : Juergen Schoenwaelder Filename : draft-ietf-netmod-rfc6991-bis-04.txt Pages : 48 Date : 2020-07-06 Abstract: This document introduces a collection of common data types to be used with the YANG data modeling language. This document obsoletes RFC 6991. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-rfc6991-bis/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-netmod-rfc6991-bis-04 https://datatracker.ietf.org/doc/html/draft-ietf-netmod-rfc6991-bis-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-rfc6991-bis-04 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Jul 6 06:44:13 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C09C73A14CF for ; Mon, 6 Jul 2020 06:44:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 78qnn0gtkMbz for ; Mon, 6 Jul 2020 06:44:10 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 995383A14CB for ; Mon, 6 Jul 2020 06:44:09 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 7C01B84F; Mon, 6 Jul 2020 15:44:07 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id RaBPFWSXV3l7; Mon, 6 Jul 2020 15:44:07 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Mon, 6 Jul 2020 15:44:07 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 18F8F20154; Mon, 6 Jul 2020 15:44:07 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id nY_QOkRiseKD; Mon, 6 Jul 2020 15:44:06 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id CD7B2200E4; Mon, 6 Jul 2020 15:44:06 +0200 (CEST) Date: Mon, 6 Jul 2020 15:44:05 +0200 From: Juergen Schoenwaelder To: Vladimir Vassilev Cc: "netmod@ietf.org" Message-ID: <20200706134405.zybz6wvsw3bxjzrw@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder Mail-Followup-To: Vladimir Vassilev , "netmod@ietf.org" References: <528278e5-e327-78c3-3d3f-2d03b40d5332@lightside-instruments.com> <6eddb8c6-8dc9-20ee-e0be-b4cc3bac054a@lightside-instruments.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <6eddb8c6-8dc9-20ee-e0be-b4cc3bac054a@lightside-instruments.com> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [netmod] I-D Action: draft-ietf-netmod-rfc6991-bis-03.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Jul 2020 13:44:12 -0000 I have posted a new version to hopefully resolve this issue. The IETF validation service says 'pyang: not found' (this already happened last time). /js On Mon, Jul 06, 2020 at 02:23:26PM +0200, Vladimir Vassilev wrote: > Hi, >=20 >=20 > This version (-03) of the draft has not updated the > ietf-yang-types@2019-11-04.yang module name while the revision is updat= ed to > 2020-06-26 (same goes for ietf-inet-types). This causes the ietf.org > validation to fail for all active drafts that directly or indirectly im= port > ietf-yang-types. >=20 > The validation tools do not catch that problem for > draft-ietf-netmod-rfc6991-bis-03 itself. Only when it is imported. And > looking into the output of the validation script: > ... >=20 > draft-ietf-netmod-rfc6991-bis-03.txt: > ... > =A0# read ietf-yang-types@2020-06-26.yang (CL) > ... >=20 > Seems like the validation script is too smart and corrects the file nam= e replacing 2019-11-04 with 2020-06-26 when extracting the modules from t= he RFC without error or warning message. >=20 > /Vladimir >=20 > On 26/06/2020 17.01, internet-drafts@ietf.org wrote: > > A New Internet-Draft is available from the on-line Internet-Drafts > > directories. > > This draft is a work item of the Network Modeling WG of the IETF. > >=20 > > Title : Common YANG Data Types > > Author : Juergen Schoenwaelder > > Filename : draft-ietf-netmod-rfc6991-bis-03.txt > > Pages : 48 > > Date : 2020-06-26 > >=20 > > Abstract: > > This document introduces a collection of common data types to be used > > with the YANG data modeling language. This document obsoletes RFC > > 6991. > >=20 > >=20 > > The IETF datatracker status page for this draft is: > > https://datatracker.ietf.org/doc/draft-ietf-netmod-rfc6991-bis/ > >=20 >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Mon Jul 6 14:30:21 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9B1483A0B35 for ; Mon, 6 Jul 2020 14:30:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (768-bit key) header.d=labn.net Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1mOJ4k8L5YjA for ; Mon, 6 Jul 2020 14:30:17 -0700 (PDT) Received: from gproxy5-pub.mail.unifiedlayer.com (gproxy5-pub.mail.unifiedlayer.com [67.222.38.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EB01A3A0B32 for ; Mon, 6 Jul 2020 14:30:16 -0700 (PDT) Received: from cmgw11.unifiedlayer.com (unknown [10.9.0.11]) by gproxy5.mail.unifiedlayer.com (Postfix) with ESMTP id 017E814071C for ; Mon, 6 Jul 2020 15:30:14 -0600 (MDT) Received: from box313.bluehost.com ([69.89.31.113]) by cmsmtp with ESMTP id sYgnjoUkLpSV4sYgnjL8pQ; Mon, 06 Jul 2020 15:30:13 -0600 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.3 cv=Doh4Bl3+ c=1 sm=1 tr=0 a=h1BC+oY+fLhyFmnTBx92Jg==:117 a=h1BC+oY+fLhyFmnTBx92Jg==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=xqWC_Br6kY4A:10:nop_ipv6 a=IkcTkHD0fZMA:10:nop_charset_1 a=_RQrkK6FrEwA:10:nop_rcvd_month_year a=Vy_oeq2dmq0A:10:endurance_base64_authed_username_1 a=HLvPDLHGFjgA:10:nop_election2020_name_subject a=48vgC7mUAAAA:8 a=-tsAPJKn6S7ax0J5AdsA:9 a=QEXdDO2ut3YA:10:nop_charset_2 a=w1C3t2QeGrPiZgrLijVG:22 a=pHzHmUro8NiASowvMSCR:22 a=n87TN5wuljxrRezIQYnT:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=labn.net; s=default; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Date: Message-ID:Subject:From:Cc:To:Sender:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=cNXv26wI15ftIPxoJ6/KLH3tZgndXEb+uJYrozXakKA=; b=qCyCn8FTj4WH+YjlrnLjOOIHiR DAP0ZRcsz8UAmZmWKvOA4PCQMlSMoAaJx+5EYu47AnPq8Inp1WVJXLhebf1tiviBd9Fnd69szMIpR 8C1zmtBOlPitKFd8TET7GLI2h; Received: from [127.0.0.1] (port=56197 helo=[IPv6:::1]) by box313.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from ) id 1jsYgn-002rXF-JM; Mon, 06 Jul 2020 15:30:13 -0600 To: taoran20@huawei.com, Qin Wu , Benoit Claise , =?UTF-8?B?TGlhbmcgR2VuZ3zogL/kuq4=?= , duzongpeng@chinamobile.com Cc: NetMod WG , draft-tao-netmod-yang-node-tags@ietf.org From: Lou Berger Message-ID: <24cf37e7-bd2e-8ffe-d062-cf7bfbce6d2d@labn.net> Date: Mon, 6 Jul 2020 17:30:11 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box313.bluehost.com X-AntiAbuse: Original Domain - ietf.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - labn.net X-BWhitelist: no X-Source-IP: 127.0.0.1 X-Source-L: Yes X-Exim-ID: 1jsYgn-002rXF-JM X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([IPv6:::1]) [127.0.0.1]:56197 X-Source-Auth: lberger@labn.net X-Email-Count: 9 X-Source-Cap: bGFibm1vYmk7bGFibm1vYmk7Ym94MzEzLmJsdWVob3N0LmNvbQ== X-Local-Domain: yes Archived-At: Subject: [netmod] Regarding IPR on draft-tao-netmod-yang-node-tags-01 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Jul 2020 21:30:19 -0000 Authors, Contributors, WG, As part of preparation for WG Adoption: Are you aware of any IPR that applies to drafts identified above? Please state either: "No, I'm not aware of any IPR that applies to this draft" or "Yes, I'm aware of IPR that applies to this draft" If so, has this IPR been disclosed in compliance with IETF IPR rules (see RFCs 3669, 5378 and 8179 for more details)? If yes to the above, please state either: "Yes, the IPR has been disclosed in compliance with IETF IPR rules" or "No, the IPR has not been disclosed" If you answer no, please provide any additional details you think appropriate. We note that all DT members are listed as contributors. If you contributed to the document please respond. Alternatively, please feel free to state that you didn't materially contribute to the draft and would like your name removed from the contribution section (and moved to acknowledgments after WG adoption). If you are listed as a document author or contributor please answer the above by responding to this email regardless of whether or not you are aware of any relevant IPR. This document will not advance to the next stage until a response has been received from each author. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S TO LINES. If you are on the WG email list or attend WG meetings but are not listed as an author or contributor, we remind you of your obligations under the IETF IPR rules which encourages you to notify the IETF if you are aware of IPR of others on an IETF contribution, or to refrain from participating in any contribution or discussion related to your undisclosed IPR. For more information, please see the RFCs listed above and http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty. Thank you, NetMod WG Chairs PS Please include all listed in the headers of this message in your response. From nobody Mon Jul 6 20:33:34 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C38863A09F0; Mon, 6 Jul 2020 20:33:31 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QwHQAZhnCJXI; Mon, 6 Jul 2020 20:33:29 -0700 (PDT) Received: from cmccmta3.chinamobile.com (cmccmta3.chinamobile.com [221.176.66.81]) by ietfa.amsl.com (Postfix) with ESMTP id D0A193A09EF; Mon, 6 Jul 2020 20:33:26 -0700 (PDT) Received: from spf.mail.chinamobile.com (unknown[172.16.121.9]) by rmmx-syy-dmz-app10-12010 (RichMail) with SMTP id 2eea5f03ecf9adf-4c7fb; Tue, 07 Jul 2020 11:33:13 +0800 (CST) X-RM-TRANSID: 2eea5f03ecf9adf-4c7fb X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from Liang (unknown[223.69.29.236]) by rmsmtp-syy-appsvr05-12005 (RichMail) with SMTP id 2ee55f03ecf7299-d65dc; Tue, 07 Jul 2020 11:33:13 +0800 (CST) X-RM-TRANSID: 2ee55f03ecf7299-d65dc From: =?utf-8?Q?Liang_Geng|=E8=80=BF=E4=BA=AE?= To: "'Lou Berger'" , , "'Qin Wu'" , "'Benoit Claise'" , Cc: "'NetMod WG'" , References: <24cf37e7-bd2e-8ffe-d062-cf7bfbce6d2d@labn.net> In-Reply-To: <24cf37e7-bd2e-8ffe-d062-cf7bfbce6d2d@labn.net> Date: Tue, 7 Jul 2020 11:33:13 +0800 Message-ID: <003301d6540f$590f0ed0$0b2d2c70$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AdZT37E3XoNGuREgQvaVRHHEyPuyLQAL5sAA Content-Language: zh-cn Archived-At: Subject: [netmod] =?utf-8?b?562U5aSNOiBSZWdhcmRpbmcgSVBSIG9uIGRyYWZ0LXRh?= =?utf-8?q?o-netmod-yang-node-tags-01?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Jul 2020 03:33:32 -0000 Hi Lou, No, I'm not aware of any IPR that applies to this draft Best wishes Liang -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- =E5=8F=91=E4=BB=B6=E4=BA=BA: Lou Berger [mailto:lberger@labn.net]=20 =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=887=E6=97=A5 = 05:30 =E6=94=B6=E4=BB=B6=E4=BA=BA: taoran20@huawei.com; Qin Wu; Benoit Claise; = Liang Geng|=E8=80=BF=E4=BA=AE; duzongpeng@chinamobile.com =E6=8A=84=E9=80=81: NetMod WG; draft-tao-netmod-yang-node-tags@ietf.org =E4=B8=BB=E9=A2=98: Regarding IPR on draft-tao-netmod-yang-node-tags-01 Authors, Contributors, WG, As part of preparation for WG Adoption: Are you aware of any IPR that applies to drafts identified above? Please state either: "No, I'm not aware of any IPR that applies to this draft" or "Yes, I'm aware of IPR that applies to this draft" If so, has this IPR been disclosed in compliance with IETF IPR rules (see RFCs 3669, 5378 and 8179 for more details)? If yes to the above, please state either: "Yes, the IPR has been disclosed in compliance with IETF IPR rules" or "No, the IPR has not been disclosed" If you answer no, please provide any additional details you think appropriate. We note that all DT members are listed as contributors. If you contributed to the document please respond. Alternatively, please feel free to state that you didn't materially contribute to the draft and would like your name removed from the contribution section (and moved to acknowledgments after WG adoption). If you are listed as a document author or contributor please answer the above by responding to this email regardless of whether or not you are aware of any relevant IPR. This document will not advance to the next stage until a response has been received from each author. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S TO LINES. If you are on the WG email list or attend WG meetings but are not listed as an author or contributor, we remind you of your obligations under the IETF IPR rules which encourages you to notify the IETF if you are aware of IPR of others on an IETF contribution, or to refrain from participating in any contribution or discussion related to your undisclosed IPR. For more information, please see the RFCs listed above and http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty. Thank you, NetMod WG Chairs PS Please include all listed in the headers of this message in your response. From nobody Mon Jul 6 21:19:00 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 83BCF3A07A6; Mon, 6 Jul 2020 21:18:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.905 X-Spam-Level: X-Spam-Status: No, score=-0.905 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, HTML_FONT_LOW_CONTRAST=0.001, HTML_MESSAGE=0.001, RDNS_DYNAMIC=0.982, SPF_PASS=-0.001, T_KAM_HTML_FONT_INVALID=0.01, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=qq.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zraLNj3liS9z; Mon, 6 Jul 2020 21:18:54 -0700 (PDT) Received: from qq.com (out203-205-251-88.mail.qq.com [203.205.251.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 12F9B3A07BB; 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boundary="----=_001_NextPart758402658667_=----" Archived-At: Subject: Re: [netmod] Regarding IPR on draft-tao-netmod-yang-node-tags-01 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Jul 2020 04:18:59 -0000 This is a multi-part message in MIME format. ------=_001_NextPart758402658667_=---- Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Tm8sIEknbSBub3QgYXdhcmUgb2YgYW55IElQUiB0aGF0IGFwcGxpZXMgdG8gdGhpcyBkcmFmdA0K DQoNCg0KZHV6b25ncGVuZ0Bmb3htYWlsLmNvbSANCiYgZHV6b25ncGVuZ0BjaGluYW1vYmlsZS5j b20gDQoNCiANCkZyb206IExvdSBCZXJnZXINCkRhdGU6IDIwMjAtMDctMDcgMDU6MzANClRvOiB0 YW9yYW4yMDsgUWluIFd1OyBCZW5vaXQgQ2xhaXNlOyBMaWFuZyBHZW5nfOiAv+S6rjsgZHV6b25n cGVuZw0KQ0M6IGRyYWZ0LXRhby1uZXRtb2QteWFuZy1ub2RlLXRhZ3M7IE5ldE1vZCBXRw0KU3Vi amVjdDogW25ldG1vZF0gUmVnYXJkaW5nIElQUiBvbiBkcmFmdC10YW8tbmV0bW9kLXlhbmctbm9k ZS10YWdzLTAxDQpBdXRob3JzLCBDb250cmlidXRvcnMsIFdHLA0KIA0KQXMgcGFydCBvZiBwcmVw YXJhdGlvbiBmb3IgV0cgQWRvcHRpb246DQogDQpBcmUgeW91IGF3YXJlIG9mIGFueSBJUFIgdGhh dCBhcHBsaWVzIHRvIGRyYWZ0cyBpZGVudGlmaWVkIGFib3ZlPw0KIA0KUGxlYXNlIHN0YXRlIGVp dGhlcjoNCiANCiJObywgSSdtIG5vdCBhd2FyZSBvZiBhbnkgSVBSIHRoYXQgYXBwbGllcyB0byB0 aGlzIGRyYWZ0Ig0Kb3INCiJZZXMsIEknbSBhd2FyZSBvZiBJUFIgdGhhdCBhcHBsaWVzIHRvIHRo aXMgZHJhZnQiDQogDQpJZiBzbywgaGFzIHRoaXMgSVBSIGJlZW4gZGlzY2xvc2VkIGluIGNvbXBs aWFuY2Ugd2l0aCBJRVRGIElQUiBydWxlcw0KKHNlZSBSRkNzIDM2NjksIDUzNzggYW5kIDgxNzkg Zm9yIG1vcmUgZGV0YWlscyk/DQogDQpJZiB5ZXMgdG8gdGhlIGFib3ZlLCBwbGVhc2Ugc3RhdGUg ZWl0aGVyOg0KIA0KIlllcywgdGhlIElQUiBoYXMgYmVlbiBkaXNjbG9zZWQgaW4gY29tcGxpYW5j ZSB3aXRoIElFVEYgSVBSIHJ1bGVzIg0Kb3INCiJObywgdGhlIElQUiBoYXMgbm90IGJlZW4gZGlz Y2xvc2VkIg0KIA0KSWYgeW91IGFuc3dlciBubywgcGxlYXNlIHByb3ZpZGUgYW55IGFkZGl0aW9u YWwgZGV0YWlscyB5b3UgdGhpbmsNCmFwcHJvcHJpYXRlLg0KIA0KV2Ugbm90ZSB0aGF0IGFsbCBE VCBtZW1iZXJzIGFyZSBsaXN0ZWQgYXMgY29udHJpYnV0b3JzLiAgSWYgeW91DQpjb250cmlidXRl ZCB0byB0aGUgZG9jdW1lbnQgcGxlYXNlIHJlc3BvbmQuICBBbHRlcm5hdGl2ZWx5LCBwbGVhc2Ug ZmVlbA0KZnJlZSB0byBzdGF0ZSB0aGF0IHlvdSBkaWRuJ3QgbWF0ZXJpYWxseSBjb250cmlidXRl IHRvIHRoZSBkcmFmdCBhbmQNCndvdWxkIGxpa2UgeW91ciBuYW1lIHJlbW92ZWQgZnJvbSB0aGUg Y29udHJpYnV0aW9uIHNlY3Rpb24gKGFuZCBtb3ZlZCB0bw0KYWNrbm93bGVkZ21lbnRzIGFmdGVy IFdHIGFkb3B0aW9uKS4NCiANCklmIHlvdSBhcmUgbGlzdGVkIGFzIGEgZG9jdW1lbnQgYXV0aG9y IG9yIGNvbnRyaWJ1dG9yIHBsZWFzZSBhbnN3ZXIgdGhlDQphYm92ZSBieSByZXNwb25kaW5nIHRv IHRoaXMgZW1haWwgcmVnYXJkbGVzcyBvZiB3aGV0aGVyIG9yIG5vdCB5b3UgYXJlDQphd2FyZSBv ZiBhbnkgcmVsZXZhbnQgSVBSLiBUaGlzIGRvY3VtZW50IHdpbGwgbm90IGFkdmFuY2UgdG8gdGhl IG5leHQNCnN0YWdlIHVudGlsIGEgcmVzcG9uc2UgaGFzIGJlZW4gcmVjZWl2ZWQgZnJvbSBlYWNo IGF1dGhvci4NCiANCk5PVEU6IFRISVMgQVBQTElFUyBUTyBBTEwgT0YgWU9VIExJU1RFRCBJTiBU SElTIE1FU1NBR0UnUyBUTyBMSU5FUy4NCiANCklmIHlvdSBhcmUgb24gdGhlIFdHIGVtYWlsIGxp c3Qgb3IgYXR0ZW5kIFdHIG1lZXRpbmdzIGJ1dCBhcmUgbm90IGxpc3RlZA0KYXMgYW4gYXV0aG9y IG9yIGNvbnRyaWJ1dG9yLCB3ZSByZW1pbmQgeW91IG9mIHlvdXIgb2JsaWdhdGlvbnMgdW5kZXIN CnRoZSBJRVRGIElQUiBydWxlcyB3aGljaCBlbmNvdXJhZ2VzIHlvdSB0byBub3RpZnkgdGhlIElF VEYgaWYgeW91IGFyZQ0KYXdhcmUgb2YgSVBSIG9mIG90aGVycyBvbiBhbiBJRVRGIGNvbnRyaWJ1 dGlvbiwgb3IgdG8gcmVmcmFpbiBmcm9tDQpwYXJ0aWNpcGF0aW5nIGluIGFueSBjb250cmlidXRp b24gb3IgZGlzY3Vzc2lvbiByZWxhdGVkIHRvIHlvdXINCnVuZGlzY2xvc2VkIElQUi4gRm9yIG1v cmUgaW5mb3JtYXRpb24sIHBsZWFzZSBzZWUgdGhlIFJGQ3MgbGlzdGVkIGFib3ZlDQphbmQNCmh0 dHA6Ly90cmFjLnRvb2xzLmlldGYub3JnL2dyb3VwL2llc2cvdHJhYy93aWtpL0ludGVsbGVjdHVh bFByb3BlcnR5Lg0KIA0KVGhhbmsgeW91LA0KTmV0TW9kIFdHIENoYWlycw0KIA0KUFMgUGxlYXNl IGluY2x1ZGUgYWxsIGxpc3RlZCBpbiB0aGUgaGVhZGVycyBvZiB0aGlzIG1lc3NhZ2UgaW4geW91 cg0KcmVzcG9uc2UuDQogDQogDQogDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXw0KbmV0bW9kIG1haWxpbmcgbGlzdA0KbmV0bW9kQGlldGYub3JnDQpodHRw czovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL25ldG1vZA0K ------=_001_NextPart758402658667_=---- Content-Type: text/html; 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Hi,

I've had my first look at this dr= aft and have a few initial comments on=C2=A0section 2.1 Terminology:<= /span>
  1. It would be he= lpful to identify which definitions come from which RFC
  2. It would be = worth including definitions from RFC3198 "Terminology for Policy-Based Man= agement" as well. For example:
    1. In Event, "rule" could be "policy rule"
    2. Condition could be= "policy condition"
    3. Action could be "policy action"
  3. Nei= ther "Implicit policy variable" nor=C2=A0"Explicit policy variable" are def= ined in RFC3460, though it does introduce (but not formally define) the fol= lowing terms. Be good to properly align with the terms in the RFC:
  4. =E2=80=9CImplicit PolicyVariabl= e=E2=80=9D, =E2=80=9CImplicitly bound policy variable=E2=80=9D and =E2=80= =9CImplicitly defined policy variable=E2=80=9D
  5. =E2=80=9CExplicitly= bound policy variable=E2=80=9D and =E2=80=9CExplicitly defined policy varia= ble=E2=80=9D
  • It would probably also be worth including definit= ions from RFC3198 for:
    1. = "Policy Decision Point (PDP)" and "Policy Enforcement Point (P= EP)" - is the intent for the server to be a PDP and PEP?
    2. "provision= ed policy" - I presume you are looking at provisioned policies rather than= "outsourced policies" (also defined in=C2=A0RFC3198)
    I have other comments, but it would be useful to have a clearer= set of definitions to work from.

    =
    Jonathan

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Wed, 8 Jul 2020 16:35:06 +0000 From: "Rob Wilton (rwilton)" To: Juergen Schoenwaelder , "Christian Hopps" CC: NetMod WG Thread-Topic: [netmod] Justification for decimal64 over string for floating point values in geo location data? 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X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Jul 2020 16:35:13 -0000 [As an individual] I agree with Juergen that in many configuration cases, using decimal64 is b= etter/safer than binary float/double. However, there are other scenarios, = such as operational data coming from sensors, where float/double is probabl= y more appropriate/useful, hence I would still like to see the next version= of YANG supporting float/double, possibly restricted to operational data o= nly. For configuration, with regards to the rounding errors alluded to below, I = do have some sympathy with Chris's suggestion of support for arbitrary prec= ision decimal numbers. It seems that more and more languages have native s= upport for arbitrary precision decimal maths. I note that CBOR also has an= encoding for them, and a JSON/XML encoding of them is seemingly trivial. Regards, Rob > -----Original Message----- > From: netmod On Behalf Of Juergen Schoenwaelder > Sent: 07 July 2020 12:25 > To: Christian Hopps > Cc: NetMod WG > Subject: Re: [netmod] Justification for decimal64 over string for floatin= g > point values in geo location data? >=20 > Precision often means different things to different people. Here is my > take: >=20 > - Floating point numbers have almost always rounding errors. And > floating point numbers use binary fractions, a decimal fraction like > 1.0 has no precise representation as a binary fraction. Type 0.1 + > 0.2 into python or haskell or any other language that gives you bare > floating point numbers and enjoy the result. >=20 > - Fixed precision decimal numbers do not have rounding errors since > they are essentially scaled integers and hence they are precise as > long as calculations stay within the range. >=20 > - Floating point numbers can cover a large number space (from very > tiny to really big), fixed precision decimal numbers are much more > restrictive. >=20 > - In XML and JSON, numbers are rendered in strings that likely do not > look much different if its a decimal64 or a float or ... If you really > care about size, use a binary encoding like CBOR. >=20 > /js >=20 > On Tue, Jul 07, 2020 at 07:06:20AM -0400, Christian Hopps wrote: > > I received feedback in my YANG doctor review (thanks Mahesh) regarding > the use of decimal64 for most of the values in the geo location grouping > (https://tools.ietf.org/html/draft-ietf-netmod-geo-location-04). In my > comparison sections I note that some precision (at the very extremes) may > be lost when converting from other geo location formats that use string > (or double for w3c) to decimal64. Given that mention of loss of extreme > precision, the reviewer was asking if some justification for the decimal6= 4 > should be given in the document. > > > > What are the advantages to using decimal64 for floating point numbers v= s > using a string with a pattern "[0-9]+(\.[0-9]+)?" (convert that to yang > pattern language). The advantage of using a string is that the precision > of the value is not restricted by the model. Does the YANG decimal64 > values have a concise binary format that can be more efficiently > transported or stored in binary form? If so is this the only advantage, > and is it enough of one to limit the precision in the model? > > > > It's definitely worth noting that the precision of the decimal64 values > seem vastly adequate for geo location data (e.g., for Cartesian > coordinates and height values which are measured in meters the fractional > digits is 6 which means the surface could be up to 9 billion kilometers > large (or away from for height) and the precision is to the micrometer. > For ellipsoidal coordinates there are 12 fractional digits for the > degrees. > > > > Thanks, > > Chris. >=20 >=20 >=20 > > _______________________________________________ > > netmod mailing list > > netmod@ietf.org > > https://www.ietf.org/mailman/listinfo/netmod >=20 >=20 > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod From nobody Wed Jul 8 09:44:21 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4104B3A0F49 for ; Wed, 8 Jul 2020 09:44:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id a4JkN3DEi-ZM for ; Wed, 8 Jul 2020 09:44:17 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D7BF13A0F43 for ; Wed, 8 Jul 2020 09:44:16 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 5D04734D; Wed, 8 Jul 2020 18:44:14 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id T3C1bfd4nioM; Wed, 8 Jul 2020 18:44:14 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Wed, 8 Jul 2020 18:44:14 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 0931A20154; Wed, 8 Jul 2020 18:44:14 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id tdmp0vHwPOC2; Wed, 8 Jul 2020 18:44:13 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 807F4200E4; Wed, 8 Jul 2020 18:44:13 +0200 (CEST) Date: Wed, 8 Jul 2020 18:44:12 +0200 From: Juergen Schoenwaelder To: "Rob Wilton (rwilton)" Cc: Christian Hopps , NetMod WG Message-ID: <20200708164412.qbstkblscn4yxis6@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder Mail-Followup-To: "Rob Wilton (rwilton)" , Christian Hopps , NetMod WG References: <20200707112450.wrttuprwrdr3nl5i@anna.jacobs.jacobs-university.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Archived-At: Subject: Re: [netmod] Justification for decimal64 over string for floating point values in geo location data? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Jul 2020 16:44:19 -0000 unknown precision != arbitrary precision /js On Wed, Jul 08, 2020 at 04:35:06PM +0000, Rob Wilton (rwilton) wrote: > [As an individual] > > I agree with Juergen that in many configuration cases, using decimal64 is better/safer than binary float/double. However, there are other scenarios, such as operational data coming from sensors, where float/double is probably more appropriate/useful, hence I would still like to see the next version of YANG supporting float/double, possibly restricted to operational data only. > > For configuration, with regards to the rounding errors alluded to below, I do have some sympathy with Chris's suggestion of support for arbitrary precision decimal numbers. It seems that more and more languages have native support for arbitrary precision decimal maths. I note that CBOR also has an encoding for them, and a JSON/XML encoding of them is seemingly trivial. > > Regards, > Rob > > > > -----Original Message----- > > From: netmod On Behalf Of Juergen Schoenwaelder > > Sent: 07 July 2020 12:25 > > To: Christian Hopps > > Cc: NetMod WG > > Subject: Re: [netmod] Justification for decimal64 over string for floating > > point values in geo location data? > > > > Precision often means different things to different people. Here is my > > take: > > > > - Floating point numbers have almost always rounding errors. And > > floating point numbers use binary fractions, a decimal fraction like > > 1.0 has no precise representation as a binary fraction. Type 0.1 + > > 0.2 into python or haskell or any other language that gives you bare > > floating point numbers and enjoy the result. > > > > - Fixed precision decimal numbers do not have rounding errors since > > they are essentially scaled integers and hence they are precise as > > long as calculations stay within the range. > > > > - Floating point numbers can cover a large number space (from very > > tiny to really big), fixed precision decimal numbers are much more > > restrictive. > > > > - In XML and JSON, numbers are rendered in strings that likely do not > > look much different if its a decimal64 or a float or ... If you really > > care about size, use a binary encoding like CBOR. > > > > /js > > > > On Tue, Jul 07, 2020 at 07:06:20AM -0400, Christian Hopps wrote: > > > I received feedback in my YANG doctor review (thanks Mahesh) regarding > > the use of decimal64 for most of the values in the geo location grouping > > (https://tools.ietf.org/html/draft-ietf-netmod-geo-location-04). In my > > comparison sections I note that some precision (at the very extremes) may > > be lost when converting from other geo location formats that use string > > (or double for w3c) to decimal64. Given that mention of loss of extreme > > precision, the reviewer was asking if some justification for the decimal64 > > should be given in the document. > > > > > > What are the advantages to using decimal64 for floating point numbers vs > > using a string with a pattern "[0-9]+(\.[0-9]+)?" (convert that to yang > > pattern language). The advantage of using a string is that the precision > > of the value is not restricted by the model. Does the YANG decimal64 > > values have a concise binary format that can be more efficiently > > transported or stored in binary form? If so is this the only advantage, > > and is it enough of one to limit the precision in the model? > > > > > > It's definitely worth noting that the precision of the decimal64 values > > seem vastly adequate for geo location data (e.g., for Cartesian > > coordinates and height values which are measured in meters the fractional > > digits is 6 which means the surface could be up to 9 billion kilometers > > large (or away from for height) and the precision is to the micrometer. > > For ellipsoidal coordinates there are 12 fractional digits for the > > degrees. > > > > > > Thanks, > > > Chris. > > > > > > > > > _______________________________________________ > > > netmod mailing list > > > netmod@ietf.org > > > https://www.ietf.org/mailman/listinfo/netmod > > > > > > -- > > Juergen Schoenwaelder Jacobs University Bremen gGmbH > > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > > Fax: +49 421 200 3103 > > > > _______________________________________________ > > netmod mailing list > > netmod@ietf.org > > https://www.ietf.org/mailman/listinfo/netmod -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Wed Jul 8 09:53:59 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 831533A0F48 for ; 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Wed, 8 Jul 2020 16:53:52 +0000 From: "Rob Wilton (rwilton)" To: Juergen Schoenwaelder CC: Christian Hopps , NetMod WG Thread-Topic: [netmod] Justification for decimal64 over string for floating point values in geo location data? 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X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Jul 2020 16:53:59 -0000 > -----Original Message----- > From: Juergen Schoenwaelder > Sent: 08 July 2020 17:44 > To: Rob Wilton (rwilton) > Cc: Christian Hopps ; NetMod WG > Subject: Re: [netmod] Justification for decimal64 over string for floatin= g > point values in geo location data? >=20 > unknown precision !=3D arbitrary precision [RW]=20 I agree. But don't follow the point that you are making. Please can you c= larify. Regards, Rob >=20 > /js >=20 > On Wed, Jul 08, 2020 at 04:35:06PM +0000, Rob Wilton (rwilton) wrote: > > [As an individual] > > > > I agree with Juergen that in many configuration cases, using decimal64 > is better/safer than binary float/double. However, there are other > scenarios, such as operational data coming from sensors, where > float/double is probably more appropriate/useful, hence I would still lik= e > to see the next version of YANG supporting float/double, possibly > restricted to operational data only. > > > > For configuration, with regards to the rounding errors alluded to below= , > I do have some sympathy with Chris's suggestion of support for arbitrary > precision decimal numbers. It seems that more and more languages have > native support for arbitrary precision decimal maths. I note that CBOR > also has an encoding for them, and a JSON/XML encoding of them is > seemingly trivial. > > > > Regards, > > Rob > > > > > > > -----Original Message----- > > > From: netmod On Behalf Of Juergen > Schoenwaelder > > > Sent: 07 July 2020 12:25 > > > To: Christian Hopps > > > Cc: NetMod WG > > > Subject: Re: [netmod] Justification for decimal64 over string for > floating > > > point values in geo location data? > > > > > > Precision often means different things to different people. Here is m= y > > > take: > > > > > > - Floating point numbers have almost always rounding errors. And > > > floating point numbers use binary fractions, a decimal fraction lik= e > > > 1.0 has no precise representation as a binary fraction. Type 0.1 + > > > 0.2 into python or haskell or any other language that gives you bar= e > > > floating point numbers and enjoy the result. > > > > > > - Fixed precision decimal numbers do not have rounding errors since > > > they are essentially scaled integers and hence they are precise as > > > long as calculations stay within the range. > > > > > > - Floating point numbers can cover a large number space (from very > > > tiny to really big), fixed precision decimal numbers are much more > > > restrictive. > > > > > > - In XML and JSON, numbers are rendered in strings that likely do not > > > look much different if its a decimal64 or a float or ... If you > really > > > care about size, use a binary encoding like CBOR. > > > > > > /js > > > > > > On Tue, Jul 07, 2020 at 07:06:20AM -0400, Christian Hopps wrote: > > > > I received feedback in my YANG doctor review (thanks Mahesh) > regarding > > > the use of decimal64 for most of the values in the geo location > grouping > > > (https://tools.ietf.org/html/draft-ietf-netmod-geo-location-04). In m= y > > > comparison sections I note that some precision (at the very extremes) > may > > > be lost when converting from other geo location formats that use > string > > > (or double for w3c) to decimal64. Given that mention of loss of > extreme > > > precision, the reviewer was asking if some justification for the > decimal64 > > > should be given in the document. > > > > > > > > What are the advantages to using decimal64 for floating point > numbers vs > > > using a string with a pattern "[0-9]+(\.[0-9]+)?" (convert that to > yang > > > pattern language). The advantage of using a string is that the > precision > > > of the value is not restricted by the model. Does the YANG decimal64 > > > values have a concise binary format that can be more efficiently > > > transported or stored in binary form? If so is this the only > advantage, > > > and is it enough of one to limit the precision in the model? > > > > > > > > It's definitely worth noting that the precision of the decimal64 > values > > > seem vastly adequate for geo location data (e.g., for Cartesian > > > coordinates and height values which are measured in meters the > fractional > > > digits is 6 which means the surface could be up to 9 billion > kilometers > > > large (or away from for height) and the precision is to the > micrometer. > > > For ellipsoidal coordinates there are 12 fractional digits for the > > > degrees. > > > > > > > > Thanks, > > > > Chris. > > > > > > > > > > > > > _______________________________________________ > > > > netmod mailing list > > > > netmod@ietf.org > > > > https://www.ietf.org/mailman/listinfo/netmod > > > > > > > > > -- > > > Juergen Schoenwaelder Jacobs University Bremen gGmbH > > > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | German= y > > > Fax: +49 421 200 3103 > > > > > > _______________________________________________ > > > netmod mailing list > > > netmod@ietf.org > > > https://www.ietf.org/mailman/listinfo/netmod >=20 > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 From nobody Wed Jul 8 10:32:26 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E804D3A00DF for ; Wed, 8 Jul 2020 10:32:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wTLeExq4YfrU for ; Wed, 8 Jul 2020 10:32:23 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2B99E3A00D6 for ; Wed, 8 Jul 2020 10:32:22 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 8320A374; Wed, 8 Jul 2020 19:32:21 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id QVpcvscwYV1L; Wed, 8 Jul 2020 19:32:21 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Wed, 8 Jul 2020 19:32:21 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 2DEC720154; Wed, 8 Jul 2020 19:32:21 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id Gx0O-1uB3hcc; Wed, 8 Jul 2020 19:32:20 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id DDF8A200E4; Wed, 8 Jul 2020 19:32:20 +0200 (CEST) Date: Wed, 8 Jul 2020 19:32:18 +0200 From: Juergen Schoenwaelder To: "Rob Wilton (rwilton)" Cc: Christian Hopps , NetMod WG Message-ID: <20200708173218.o24s3ls64s37hwrj@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder Mail-Followup-To: "Rob Wilton (rwilton)" , Christian Hopps , NetMod WG References: <20200707112450.wrttuprwrdr3nl5i@anna.jacobs.jacobs-university.de> <20200708164412.qbstkblscn4yxis6@anna.jacobs.jacobs-university.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Archived-At: Subject: Re: [netmod] Justification for decimal64 over string for floating point values in geo location data? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Jul 2020 17:32:25 -0000 On Wed, Jul 08, 2020 at 04:53:52PM +0000, Rob Wilton (rwilton) wrote: > > > > -----Original Message----- > > From: Juergen Schoenwaelder > > Sent: 08 July 2020 17:44 > > To: Rob Wilton (rwilton) > > Cc: Christian Hopps ; NetMod WG > > Subject: Re: [netmod] Justification for decimal64 over string for floating > > point values in geo location data? > > > > unknown precision != arbitrary precision > [RW] > > I agree. But don't follow the point that you are making. Please can you clarify. > To me type string; pattern "[0-9]+(\.[0-9]+)?"; means unknown precision - everybody implements what seems convenient. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Wed Jul 8 10:46:08 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 080C73A03FA for ; Wed, 8 Jul 2020 10:46:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Qz6tdWcflj4h for ; Wed, 8 Jul 2020 10:46:00 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 642A53A03F2 for ; Wed, 8 Jul 2020 10:45:58 -0700 (PDT) Received: from [192.168.217.116] (p5089ae91.dip0.t-ipconnect.de [80.137.174.145]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4B26D31HgdzyWt; Wed, 8 Jul 2020 19:45:55 +0200 (CEST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) From: Carsten Bormann In-Reply-To: <20200708173218.o24s3ls64s37hwrj@anna.jacobs.jacobs-university.de> Date: Wed, 8 Jul 2020 19:45:54 +0200 Cc: "Rob Wilton (rwilton)" , NetMod WG X-Mao-Original-Outgoing-Id: 615923154.44024-af061ccc5b886ebc25a3845cd587280f Content-Transfer-Encoding: quoted-printable Message-Id: <910E2269-4B23-4813-8D64-E60965DCAB99@tzi.org> References: <20200707112450.wrttuprwrdr3nl5i@anna.jacobs.jacobs-university.de> <20200708164412.qbstkblscn4yxis6@anna.jacobs.jacobs-university.de> <20200708173218.o24s3ls64s37hwrj@anna.jacobs.jacobs-university.de> To: Juergen Schoenwaelder X-Mailer: Apple Mail (2.3608.80.23.2.2) Archived-At: Subject: Re: [netmod] Justification for decimal64 over string for floating point values in geo location data? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Jul 2020 17:46:05 -0000 On 2020-07-08, at 19:32, Juergen Schoenwaelder = wrote: >=20 > type string; > pattern "[0-9]+(\.[0-9]+)?"; >=20 > means unknown precision - everybody implements what seems convenient. It also means that there is no way to convert this text string into a = number when using YANG-CBOR. 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boundary="_000_BN6PR2201MB12356C3D68AC2F987D9B4F8999640BN6PR2201MB1235_" MIME-Version: 1.0 X-OriginatorOrg: aviatnet.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN6PR2201MB1235.namprd22.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 69c4f1bf-1043-42bb-bd72-08d823bc1c86 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Jul 2020 03:56:51.1321 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8d7d22b9-3890-4eef-95a6-a226e64151be X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: k9nKkf9szZuN8ZlsBrJ6f+HzlNmhJ8Mb+XerHkV1IS+ug29MaisBvoll3VWnsUNZrEaBFrE7cofsod27T50X94RkIp8unhFRPo3Ce7r+we4= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR2201MB1364 Archived-At: Subject: [netmod] Mail regarding draft-ietf-netmod-sub-intf-vlan-model X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2020 03:56:56 -0000 --_000_BN6PR2201MB12356C3D68AC2F987D9B4F8999640BN6PR2201MB1235_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I would like to know if draft-ietf-netmod-sub-intf-vlan-model is still bein= g worked on, or has it died? --_000_BN6PR2201MB12356C3D68AC2F987D9B4F8999640BN6PR2201MB1235_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

    I would like to know if draft-ietf-netmod-sub-intf-v= lan-model is still being worked on, or has it died?

     

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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Stephen, It is still being worked on. Sorry for the delay on this document. I will= revive a copy of it before IETF 108, but still may not have time to apply = all the WG LC comments. Regards, Rob From: netmod On Behalf Of Stephen Cheng Sent: 09 July 2020 04:57 To: netmod@ietf.org Subject: [netmod] Mail regarding draft-ietf-netmod-sub-intf-vlan-model I would like to know if draft-ietf-netmod-sub-intf-vlan-model is still bein= g worked on, or has it died? --_000_MN2PR11MB43660E6ACF80C2E334098498B5640MN2PR11MB4366namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

    Hi Stephe= n,

    &nbs= p;

    It is sti= ll being worked on.  Sorry for the delay on this document.  I wil= l revive a copy of it before IETF 108, but still may not have time to apply= all the WG LC comments.

    &nbs= p;

    Regards,<= br> Rob

    &nbs= p;

    &nbs= p;

    &nbs= p;

    &nbs= p;

    From: netmod <netmod-bounces@ietf.org> On Behalf Of Stephen Cheng
    Sent: 09 July 2020 04:57
    To: netmod@ietf.org
    Subject: [netmod] Mail regarding draft-ietf-netmod-sub-intf-vlan-mod= el

     

    I would like to know if draft-i= etf-netmod-sub-intf-vlan-model is still being worked on, or has it died?

     

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Thu, 9 Jul 2020 10:27:28 +0000 From: "Rob Wilton (rwilton)" To: Juergen Schoenwaelder CC: Christian Hopps , NetMod WG Thread-Topic: [netmod] Justification for decimal64 over string for floating point values in geo location data? Thread-Index: AQHWVE64+Qz8HStWdUef/vPPn4qbG6j7+dcAgAHeZJCAAA0rAIAAAt2QgAAKlACAAAbYIA== Date: Thu, 9 Jul 2020 10:27:28 +0000 Message-ID: References: <20200707112450.wrttuprwrdr3nl5i@anna.jacobs.jacobs-university.de> <20200708164412.qbstkblscn4yxis6@anna.jacobs.jacobs-university.de> <20200708173218.o24s3ls64s37hwrj@anna.jacobs.jacobs-university.de> In-Reply-To: <20200708173218.o24s3ls64s37hwrj@anna.jacobs.jacobs-university.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: jacobs-university.de; dkim=none (message not signed) header.d=none;jacobs-university.de; dmarc=none action=none header.from=cisco.com; x-originating-ip: [82.15.79.32] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 143e6054-acd1-4e01-fd29-08d823f2ae59 x-ms-traffictypediagnostic: MN2PR11MB4533: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: Ijyt0IEBq2fGjcRmlH6jj3/6+LgtFHj5U1dYcQssW/xSFCLglxsJsApXiQtFxxvk/XRBNdCE35U3v/AI55WrKi/igatZTbqYXzvaLBHY8jBpzKHHv7FkJ25F/ZAbn+YCIorSR6ot0nZIUT6+U99D+qRw1ZUgUtOao1kiGjAu7CviFUEgJR4+Jd1k0oqfmKaPqIrNjACRmiJ2r/5yn+dtmwJxv9D0NPz59xYz96RDdp3TvQcKki5ZRksmSis0HTK/JtPj8UblAYZB3U5jgGTNqdk73sNaISftSXaIhyOOiCdeLIY/hYoTQOLCGnJLtvQJJIe8vsJkWe0U5nJ4H5IJcOc8iXL0VhsElUn3KXtYcOiZnAb6Rqc5d9+Y+P/mP7WNaGxHZ+REOR/PtXfSwbHvtQ== x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MN2PR11MB4366.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(376002)(366004)(396003)(39860400002)(346002)(136003)(83080400001)(76116006)(66946007)(5660300002)(54906003)(7696005)(86362001)(52536014)(53546011)(6506007)(6916009)(316002)(66446008)(478600001)(9686003)(83380400001)(8936002)(71200400001)(66476007)(64756008)(26005)(66556008)(55016002)(186003)(4326008)(2906002)(8676002)(33656002); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata: UEciKN+mnbEsOr8gLo4AANHbUufZea2mwq29paa6PdiEOlyiQ8ro46AB9qevtZvieA3aht4lXgeYiIuzdlCeRAILcjJfIhN5imfP2uBjrTCRI3OUmiSZZXNSYP4SM3VqseR2YBBYuxZSIPJNDDzB0uR8s6yZbFipjlxg5JY5sPfleKI4lJSFMSaezsbxrlKwjOG5IpOHBHmjD+qb15J3zglClETGFxjYe969bmVsCCtMG/N2rKgkN2as/JE4DhIYr+CYcLvKqSu20eA+jYSbooU2FL4ZGIJwqjf+KKXmioRXqsL8S85QzSRTbW4nPS3xphdDenNUZWaXKrlG7CGVyYNPLAtkgO9WwFqOArlhjeMLEP0fNPhkaqnRzW1XTitLDLLkOapGT7bxXlRMEFx2oXaWAIASO9u12YP1k6Jg+XnGPxMoWW1YGu+SAS3Wtbcoib4YOaEf434AGybpNjyrHBJp+/WTLCLVWHEAgXUU7Sk= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN2PR11MB4366.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 143e6054-acd1-4e01-fd29-08d823f2ae59 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Jul 2020 10:27:28.6316 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: UNgsVVywCwE50CzAEVf8JVNxn2be5U2r5KrBNR82udbFQP0SD/zNWLOJQmsNVIgPty2ah8XfYwg1a/VW1BKsKw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB4533 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.11, xch-rcd-001.cisco.com X-Outbound-Node: rcdn-core-7.cisco.com Archived-At: Subject: Re: [netmod] Justification for decimal64 over string for floating point values in geo location data? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2020 10:27:37 -0000 > -----Original Message----- > From: Juergen Schoenwaelder > Sent: 08 July 2020 18:32 > To: Rob Wilton (rwilton) > Cc: Christian Hopps ; NetMod WG > Subject: Re: [netmod] Justification for decimal64 over string for floatin= g > point values in geo location data? >=20 > On Wed, Jul 08, 2020 at 04:53:52PM +0000, Rob Wilton (rwilton) wrote: > > > > > > > -----Original Message----- > > > From: Juergen Schoenwaelder > > > Sent: 08 July 2020 17:44 > > > To: Rob Wilton (rwilton) > > > Cc: Christian Hopps ; NetMod WG > > > Subject: Re: [netmod] Justification for decimal64 over string for > floating > > > point values in geo location data? > > > > > > unknown precision !=3D arbitrary precision > > [RW] > > > > I agree. But don't follow the point that you are making. Please can > you clarify. > > >=20 > To me >=20 > type string; > pattern "[0-9]+(\.[0-9]+)?"; >=20 > means unknown precision - everybody implements what seems convenient. [RW]=20 Ah, Okay. Yes, I agree. I think that there are already too many types tha= t get encoded as a string in YANG. My suggestion was to consider for the next version of YANG to potentially a= dd two new native YANG types: - Binary float and binary double native YANG types, possibly restricted to= operational values only. - A new arbitrary-precision-decimal native YANG type. Regards, Rob >=20 > /js >=20 > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 From nobody Thu Jul 9 05:19:29 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F0CE33A0928 for ; Thu, 9 Jul 2020 05:19:27 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (768-bit key) header.d=labn.net Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id E4vjqYgoHVht for ; Thu, 9 Jul 2020 05:19:26 -0700 (PDT) Received: from gproxy4-pub.mail.unifiedlayer.com (gproxy4-pub.mail.unifiedlayer.com [69.89.23.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 86B983A090D for ; Thu, 9 Jul 2020 05:19:26 -0700 (PDT) Received: from cmgw11.unifiedlayer.com (unknown [10.9.0.11]) by gproxy4.mail.unifiedlayer.com (Postfix) with ESMTP id A356E175FD6 for ; Thu, 9 Jul 2020 06:19:15 -0600 (MDT) Received: from box313.bluehost.com ([69.89.31.113]) by cmsmtp with ESMTP id tVWFjCpM7pSV4tVWFjj4oU; Thu, 09 Jul 2020 06:19:15 -0600 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.3 cv=a4QeC3aF c=1 sm=1 tr=0 a=h1BC+oY+fLhyFmnTBx92Jg==:117 a=h1BC+oY+fLhyFmnTBx92Jg==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=kj9zAlcOel0A:10:nop_charset_1 a=_RQrkK6FrEwA:10:nop_rcvd_month_year a=Vy_oeq2dmq0A:10:endurance_base64_authed_username_1 a=j3Z76cjpAAAA:8 a=48vgC7mUAAAA:8 a=JCZVFY36xXd3nUSI-5gA:9 a=CjuIK1q_8ugA:10:nop_charset_2 a=FvgKqOQ44qUA:10:phone_number_3 a=JrSEOxZJtCQA:10:phone_number_3 a=-RoEEKskQ1sA:10:nop_election2020_name_body a=9ZYBcOd_X9kS2t7VFny2:22 a=w1C3t2QeGrPiZgrLijVG:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=labn.net; s=default; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID: Date:Subject:In-Reply-To:References:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=R55xHZ+iwvaIzC6E7APN6ylcwQue47lsC65Mfbdkz7E=; b=EHqI1U8PTLCjrwfw99eYLnMaqX 0grZ7zBv0JY6xPo5x2cHrXYIZInkPN7M/W0bi2kSJlL0SpnFIciOHNpCKMtwu2rFQhksBmJCJIjr+ T+jGB4VejRJETOQ3mNLqvJRYq; Received: from pool-173-48-105-206.bstnma.fios.verizon.net ([173.48.105.206]:53410 helo=FedykLabn) by box313.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1jtVWF-000Sl2-49; Thu, 09 Jul 2020 06:19:15 -0600 From: "Don Fedyk" To: "'Rob Wilton \(rwilton\)'" , "'Juergen Schoenwaelder'" Cc: "'NetMod WG'" References: <20200707112450.wrttuprwrdr3nl5i@anna.jacobs.jacobs-university.de> <20200708164412.qbstkblscn4yxis6@anna.jacobs.jacobs-university.de> <20200708173218.o24s3ls64s37hwrj@anna.jacobs.jacobs-university.de> In-Reply-To: Date: Thu, 9 Jul 2020 08:19:11 -0400 Message-ID: <00c401d655eb$28bfeaf0$7a3fc0d0$@labn.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQKBnaSHs494lqZkfHTaBcZ5s3/T1wE9AcQ8AaOvFckC1DrSygI6XDoQAa2NP2ECDy6HnqdLOHQA Content-Language: en-us X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box313.bluehost.com X-AntiAbuse: Original Domain - ietf.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - labn.net X-BWhitelist: no X-Source-IP: 173.48.105.206 X-Source-L: No X-Exim-ID: 1jtVWF-000Sl2-49 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: pool-173-48-105-206.bstnma.fios.verizon.net (FedykLabn) [173.48.105.206]:53410 X-Source-Auth: dfedyk@labn.net X-Email-Count: 2 X-Source-Cap: bGFibm1vYmk7bGFibm1vYmk7Ym94MzEzLmJsdWVob3N0LmNvbQ== X-Local-Domain: yes Archived-At: Subject: Re: [netmod] Justification for decimal64 over string for floating point values in geo location data? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2020 12:19:28 -0000 +1 (Definitely too many numeric types encoded as strings ) Don [RW] Ah, Okay. Yes, I agree. I think that there are already too many types that get encoded as a string in YANG. My suggestion was to consider for the next version of YANG to potentially add two new native YANG types: - Binary float and binary double native YANG types, possibly restricted to operational values only. - A new arbitrary-precision-decimal native YANG type. Regards, Rob > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 _______________________________________________ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod From duzongpeng@chinamobile.com Mon Jul 6 17:28:30 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3CA3A3A00C4; Mon, 6 Jul 2020 17:28:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7VKD6M3kleSb; Mon, 6 Jul 2020 17:28:28 -0700 (PDT) Received: from cmccmta1.chinamobile.com (cmccmta1.chinamobile.com [221.176.66.79]) by ietfa.amsl.com (Postfix) with ESMTP id DBA693A00C3; Mon, 6 Jul 2020 17:28:26 -0700 (PDT) Received: from spf.mail.chinamobile.com (unknown[172.16.121.7]) by rmmx-syy-dmz-app02-12002 (RichMail) with SMTP id 2ee25f03c18abe0-46877; Tue, 07 Jul 2020 08:27:54 +0800 (CST) X-RM-TRANSID: 2ee25f03c18abe0-46877 X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from cmccPC (unknown[223.72.130.68]) by rmsmtp-syy-appsvr04-12004 (RichMail) with SMTP id 2ee45f03c188312-c6883; Tue, 07 Jul 2020 08:27:54 +0800 (CST) X-RM-TRANSID: 2ee45f03c188312-c6883 From: "Du Zongpeng" To: "'Lou Berger'" , , "'Qin Wu'" , "'Benoit Claise'" , =?UTF-8?Q?'Liang_Geng|=E8=80=BF=E4=BA=AE'?= Cc: "'NetMod WG'" , References: <24cf37e7-bd2e-8ffe-d062-cf7bfbce6d2d@labn.net> In-Reply-To: <24cf37e7-bd2e-8ffe-d062-cf7bfbce6d2d@labn.net> Date: Tue, 7 Jul 2020 08:29:53 +0800 Message-ID: <008c01d653f5$bcacc320$36064960$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AdZT3fP38bbX2oOERqWThNeaRE/ycwAF5Dwg Content-Language: zh-cn Archived-At: X-Mailman-Approved-At: Thu, 09 Jul 2020 08:31:39 -0700 Subject: [netmod] =?utf-8?b?562U5aSNOiBSZWdhcmRpbmcgSVBSIG9uIGRyYWZ0LXRh?= =?utf-8?q?o-netmod-yang-node-tags-01?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Jul 2020 00:45:26 -0000 No, I'm not aware of any IPR that applies to this draft -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- =E5=8F=91=E4=BB=B6=E4=BA=BA: Lou Berger [mailto:lberger@labn.net]=20 =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=887=E6=97=A5 = 05:30 =E6=94=B6=E4=BB=B6=E4=BA=BA: taoran20@huawei.com; Qin Wu; Benoit Claise; = Liang Geng|=E8=80=BF=E4=BA=AE; duzongpeng@chinamobile.com =E6=8A=84=E9=80=81: NetMod WG; draft-tao-netmod-yang-node-tags@ietf.org =E4=B8=BB=E9=A2=98: Regarding IPR on draft-tao-netmod-yang-node-tags-01 Authors, Contributors, WG, As part of preparation for WG Adoption: Are you aware of any IPR that applies to drafts identified above? Please state either: "No, I'm not aware of any IPR that applies to this draft" or "Yes, I'm aware of IPR that applies to this draft" If so, has this IPR been disclosed in compliance with IETF IPR rules (see RFCs 3669, 5378 and 8179 for more details)? If yes to the above, please state either: "Yes, the IPR has been disclosed in compliance with IETF IPR rules" or "No, the IPR has not been disclosed" If you answer no, please provide any additional details you think appropriate. We note that all DT members are listed as contributors. If you contributed to the document please respond. Alternatively, please feel free to state that you didn't materially contribute to the draft and would like your name removed from the contribution section (and moved to acknowledgments after WG adoption). If you are listed as a document author or contributor please answer the above by responding to this email regardless of whether or not you are aware of any relevant IPR. This document will not advance to the next stage until a response has been received from each author. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S TO LINES. If you are on the WG email list or attend WG meetings but are not listed as an author or contributor, we remind you of your obligations under the IETF IPR rules which encourages you to notify the IETF if you are aware of IPR of others on an IETF contribution, or to refrain from participating in any contribution or discussion related to your undisclosed IPR. For more information, please see the RFCs listed above and http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty. Thank you, NetMod WG Chairs PS Please include all listed in the headers of this message in your response. From nobody Thu Jul 9 23:59:32 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 618633A0DE9 for ; Thu, 9 Jul 2020 23:59:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LaWy-URJq-Zc for ; Thu, 9 Jul 2020 23:59:28 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6480F3A0DE8 for ; Thu, 9 Jul 2020 23:59:28 -0700 (PDT) Received: from lhreml737-chm.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 69C5189EF376C49DADDB for ; Fri, 10 Jul 2020 07:59:26 +0100 (IST) Received: from lhreml737-chm.china.huawei.com (10.201.108.187) by lhreml737-chm.china.huawei.com (10.201.108.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Fri, 10 Jul 2020 07:59:26 +0100 Received: from DGGEML406-HUB.china.huawei.com (10.3.17.50) by lhreml737-chm.china.huawei.com (10.201.108.187) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.1.1913.5 via Frontend Transport; Fri, 10 Jul 2020 07:59:25 +0100 Received: from DGGEML531-MBS.china.huawei.com ([169.254.5.228]) by dggeml406-hub.china.huawei.com ([10.3.17.50]) with mapi id 14.03.0487.000; Fri, 10 Jul 2020 14:59:23 +0800 From: Qin Wu To: "'Acee Lindem (acee)'" CC: NetMod WG Thread-Topic: Key selection for next hop list in RFC8349 Thread-Index: AdZWhmfYix7o6MgpRImltxG5950BaA== Date: Fri, 10 Jul 2020 06:59:22 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.164.123.162] Content-Type: multipart/alternative; boundary="_000_B8F9A780D330094D99AF023C5877DABAAD81A3ABdggeml531mbschi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: [netmod] Key selection for next hop list in RFC8349 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Jul 2020 06:59:30 -0000 --_000_B8F9A780D330094D99AF023C5877DABAAD81A3ABdggeml531mbschi_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, Acee, Lada, Yingzhen: In RFC8349, a string type index parameter is defined as the key for next ho= p list, this index has no semantics and can be used as unique ID for each n= ext hop entry. I am wondering why not select next hop address as the key instead of using = no semantic meaning index? What's the rationale behind, when we will use in= dex as the key, when we will use next hop address as the key? Thanks in advance. The following YANG data model snippets is for reference. grouping next-hop-content { description "Generic parameters of next hops in static routes."; choice next-hop-options { mandatory true; description "Options for next hops in static routes. It is expected that further cases will be added through augments from other modules."; case next-hop-list { container next-hop-list { description "Container for multiple next hops."; list next-hop { key "index"; description "An entry in a next-hop list. Modules for address families MUST augment this list with a leaf containing a next-hop address of that address family."; leaf index { type string; description "A user-specified identifier utilized to uniquely reference the next-hop entry in the next-hop list. The value of this index has no semantic meaning other than for referencing the entry."; } leaf outgoing-interface { type if:interface-ref; description "Name of the outgoing interface."; } } } } } } -Qin --_000_B8F9A780D330094D99AF023C5877DABAAD81A3ABdggeml531mbschi_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

    Hi, Acee, Lada, Yingzhen:

    In RFC8349, a string type index pa= rameter is defined as the key for next hop list, this index has no semantic= s and can be used as unique ID for each next hop entry.

    I am wondering why not select next= hop address as the key instead of using no semantic meaning index? What= 217;s the rationale behind, when we will use index as the key, when we will= use next hop address as the key?

    Thanks in advance.

    The following YANG data model snip= pets is for reference.

         grouping = next-hop-content {

         &nbs= p; description

         &nbs= p;   "Generic parameters of next hops in static routes."= ;;

         &nbs= p; choice next-hop-options {

         &nbs= p;   mandatory true;

         &nbs= p;   description

         &nbs= p;     "Options for next hops in static routes.

     

         &nbs= p;      It is expected that further cases will be = added through

         &nbs= p;      augments from other modules.";

         &nbs= p;   case next-hop-list {

         &nbs= p;     container next-hop-list {

         &nbs= p;       description

         &nbs= p;         "Container for mult= iple next hops.";

         &nbs= p;       list next-hop {

         &nbs= p;         key "index";

         &nbs= p;         description

         &nbs= p;           "An ent= ry in a next-hop list.

         &nbs= p;            Module= s for address families MUST augment this list

         &nbs= p;            with a= leaf containing a next-hop address of that

         &nbs= p;            addres= s family.";

         &nbs= p;         leaf index {<= /span>

         &nbs= p;           type string;=

         &nbs= p;           description<= o:p>

         &nbs= p;             = "A user-specified identifier utilized to uniquely

         &nbs= p;            &= nbsp; reference the next-hop entry in the next-hop list.<= /p>

          &nb= sp;            =  The value of this index has no semantic meaning

         &nbs= p;            &= nbsp; other than for referencing the entry.";

         &nbs= p;         }

         &nbs= p;         leaf outgoing-interface = {

         &nbs= p;           type if:inte= rface-ref;

         &nbs= p;           description<= o:p>

          &nb= sp;            = "Name of the outgoing interface.";

         &nbs= p;         }

         &nbs= p;       }

         &nbs= p;     }

         &nbs= p;   }

         &nbs= p; }

         }

     

    -Qin

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Fri, 10 Jul 2020 13:05:31 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.7.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <159441153157.21206.5682508161949142375@ietfa.amsl.com> Date: Fri, 10 Jul 2020 13:05:31 -0700 Archived-At: Subject: [netmod] I-D Action: draft-ietf-netmod-yang-module-versioning-01.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Jul 2020 20:05:32 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : Updated YANG Module Revision Handling Authors : Robert Wilton Reshad Rahman Balazs Lengyel Joe Clarke Jason Sterne Benoit Claise Kevin D'Souza Filename : draft-ietf-netmod-yang-module-versioning-01.txt Pages : 35 Date : 2020-07-10 Abstract: This document specifies a new YANG module update procedure that can document when non-backwards-compatible changes have occurred during the evolution of a YANG module. It extends the YANG import statement with an earliest revision filter to better represent inter-module dependencies. It provides help and guidelines for managing the lifecycle of YANG modules and individual schema nodes. It provides a mechanism, via the revision-label YANG extension, to specify a revision identifier for YANG modules. This document updates RFC 7950, RFC 8407 and RFC 8525. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-yang-module-versioning/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versioning-01 https://datatracker.ietf.org/doc/html/draft-ietf-netmod-yang-module-versioning-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-yang-module-versioning-01 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. 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--_000_39AE905737B84F929D38EF23073DFE9Bciscocom_-- From nobody Mon Jul 13 13:50:17 2020 Return-Path: X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 16D503A0970; Mon, 13 Jul 2020 13:50:16 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.8.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <159467341597.16298.3462716507326050610@ietfa.amsl.com> Date: Mon, 13 Jul 2020 13:50:16 -0700 Archived-At: Subject: [netmod] I-D Action: draft-ietf-netmod-yang-semver-01.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Jul 2020 20:50:16 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : YANG Semantic Versioning Authors : Benoit Claise Joe Clarke Reshad Rahman Robert Wilton Balazs Lengyel Jason Sterne Kevin D'Souza Filename : draft-ietf-netmod-yang-semver-01.txt Pages : 20 Date : 2020-07-13 Abstract: This document specifies a scheme and guidelines for applying a modified set of semantic versioning rules to revisions of YANG modules. Additionally, this document defines a revision-label for this modified semver scheme. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-yang-semver/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01 https://datatracker.ietf.org/doc/html/draft-ietf-netmod-yang-semver-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-yang-semver-01 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Jul 13 13:52:49 2020 Return-Path: X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 70AD63A0CC4; Mon, 13 Jul 2020 13:52:39 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.8.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <159467355939.26602.17541318163117216902@ietfa.amsl.com> Date: Mon, 13 Jul 2020 13:52:39 -0700 Archived-At: Subject: [netmod] I-D Action: draft-ietf-netmod-nmda-diff-04.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Jul 2020 20:52:43 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : Comparison of NMDA datastores Authors : Alexander Clemm Yingzhen Qu Jeff Tantsura Andy Bierman Filename : draft-ietf-netmod-nmda-diff-04.txt Pages : 18 Date : 2020-07-13 Abstract: This document defines an RPC operation to compare management datastores that comply with the NMDA architecture. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-nmda-diff/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-netmod-nmda-diff-04 https://datatracker.ietf.org/doc/html/draft-ietf-netmod-nmda-diff-04 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-nmda-diff-04 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Jul 13 14:07:08 2020 Return-Path: X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 2ECE23A081B; Mon, 13 Jul 2020 14:07:03 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.8.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <159467442308.26372.12656279060275556380@ietfa.amsl.com> Date: Mon, 13 Jul 2020 14:07:03 -0700 Archived-At: Subject: [netmod] I-D Action: draft-ietf-netmod-intf-ext-yang-09.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Jul 2020 21:07:03 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : Common Interface Extension YANG Data Models Authors : Robert Wilton David Ball Tapraj Singh Selvakumar Sivaraj Filename : draft-ietf-netmod-intf-ext-yang-09.txt Pages : 34 Date : 2020-07-13 Abstract: This document defines two YANG modules that augment the Interfaces data model defined in the "YANG Data Model for Interface Management" with additional configuration and operational data nodes to support common lower layer interface properties, such as interface MTU. The YANG modules in this document conform to the Network Management Datastore Architecture (NMDA) defined in RFC 8342. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-intf-ext-yang/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09 https://datatracker.ietf.org/doc/html/draft-ietf-netmod-intf-ext-yang-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-intf-ext-yang-09 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Mon Jul 13 14:18:42 2020 Return-Path: X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 08F653A0B70; Mon, 13 Jul 2020 14:18:40 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.62 X-Spam-Level: X-Spam-Status: No, score=-9.62 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com header.b=e/Q4vVhf; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=HsNLtRtj Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ISO59u-0YIPa; 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Mon, 13 Jul 2020 14:43:31 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.8.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <159467661129.23186.8810450992576226467@ietfa.amsl.com> Date: Mon, 13 Jul 2020 14:43:31 -0700 Archived-At: Subject: [netmod] I-D Action: draft-ietf-netmod-sub-intf-vlan-model-07.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Jul 2020 21:43:31 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : Sub-interface VLAN YANG Data Models Authors : Robert Wilton David Ball Tapraj Singh Selvakumar Sivaraj Filename : draft-ietf-netmod-sub-intf-vlan-model-07.txt Pages : 36 Date : 2020-07-13 Abstract: This document defines YANG modules to add support for classifying traffic received on interfaces as Ethernet/VLAN framed packets to sub-interfaces based on the fields available in the Ethernet/VLAN frame headers. These modules allow configuration of Layer 3 and Layer 2 sub-interfaces (e.g. L2VPN attachment circuits) that can interoperate with IETF based forwarding protocols; such as IP and L3VPN services; or L2VPN services like VPWS, VPLS, and EVPN. The sub-interfaces also interoperate with VLAN tagged traffic orginating from an IEEE 802.1Q compliant bridge. The model differs from an IEEE 802.1Q bridge model in that the configuration is interface/sub-interface based as opposed to being based on membership of an 802.1Q VLAN bridge. The YANG data models in this document conforms to the Network Management Datastore Architecture (NMDA) defined in RFC 8342. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-sub-intf-vlan-model/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-07 https://datatracker.ietf.org/doc/html/draft-ietf-netmod-sub-intf-vlan-model-07 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-sub-intf-vlan-model-07 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. 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Mon, 13 Jul 2020 21:48:09 +0000 From: "Rob Wilton (rwilton)" To: =?iso-8859-1?Q?Martin_Bj=F6rklund?= , "netmod@ietf.org" Thread-Topic: [netmod] WG Last Call: draft-ietf-netmod-sub-intf-vlan-model-05 Thread-Index: AQHVNrSdUftbhJt63UiE6U23Ec3oLqcH3xqAgf+2fBA= Date: Mon, 13 Jul 2020 21:48:08 +0000 Message-ID: References: <0100016bd93be4a2-a22ba545-c022-44d6-9188-1b51ff1effe0-000000@email.amazonses.com> <20190822.221453.1052536475937856222.mbj@tail-f.com> In-Reply-To: <20190822.221453.1052536475937856222.mbj@tail-f.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: 4668.se; dkim=none (message not signed) header.d=none;4668.se; dmarc=none action=none header.from=cisco.com; x-originating-ip: [82.15.79.32] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 5773e8ed-ba7c-4fa3-2115-08d827766f0f x-ms-traffictypediagnostic: BL0PR11MB2898: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN2PR11MB4366.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5773e8ed-ba7c-4fa3-2115-08d827766f0f X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Jul 2020 21:48:09.3393 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: iTgcj2BCsOAvXtyY9sbj6rcjCFiaMv1Z4ybrJwxufXnZxn3Aap76mlaewOOeDuB6SaQQ3qs9lStVW/QOysK+sA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR11MB2898 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.11, xch-rcd-001.cisco.com X-Outbound-Node: alln-core-8.cisco.com Archived-At: Subject: Re: [netmod] WG Last Call: draft-ietf-netmod-sub-intf-vlan-model-05 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Jul 2020 21:48:16 -0000 Hi Martin, Sorry for the amazingly late response to get to these. I've provided comme= nts inline below. I've also raised issues and updated the YANG modules and= draft at https://github.com/netmod-wg/sub-intf-vlan-yang. The -07 version= of this draft that I've posted just now also contains markups (so far) to = your comments below. > -----Original Message----- > From: netmod On Behalf Of Martin Bjorklund > Sent: 22 August 2019 21:15 > To: netmod@ietf.org > Subject: Re: [netmod] WG Last Call: draft-ietf-netmod-sub-intf-vlan-model= - > 05 >=20 > Hi, >=20 > Here is my (late) review of draft-ietf-netmod-sub-intf-vlan-model-05. >=20 > o 1 >=20 > The YANG module names are not correct; they are listed as: >=20 > if-l3-vlan.yang - Defines the model for basic classification of > VLAN tagged traffic to L3 transport services >=20 > flexible-encapsulation.yang - Defines the model for flexible > classification of Ethernet/VLAN traffic to L2 transport services >=20 > Should be "ietf-if-l3-vlan" and "ietf-flexible-encapsulation". >=20 > Or "ietf-if-l3-vlan" and "ietf-if-flexible-encapsulation". >=20 > But I also wonder if these names should somehow be changed. What > is a "l3-vlan"? And "flexible-encapsulation" sound a bit too > generic. >=20 [RW]=20 I thought about this, and what I propose (and what is in the latest draft) = is as follows: ietf-if-vlan-encapsulation - Adds "dot1q-vlan" to the encapsulation choice. - Predominantly would be used for L3 sub-interfaces, but could also be use= d on L2 interfaces (e.g. connected to L2VPNs) if only basic VLAN tag matchi= ng was required/supported. ietf-if-flexible-encapsulation - Adds "flexible" to the encapsulation choice - Supports matching untagged traffic, priority-tagged, VLAN-tagged with ra= nges & wildcard, default match (i.e. match of last resort). - Supports tag manipulations (push, pop, rewrite) - Could be extended by vendors with more L2 classification (e.g. src/dst M= AC matching) - Makes most sense for L2 interfaces, although there are other scenarios w= here it could be used (e.g. PPPoE subscribers). >=20 > o 1.1 >=20 > The text says: >=20 > Sub-interface: A sub-interface is a small augmentation of a regular > interface in the standard YANG module for Interface Management that > represents a subset of the traffic handled by its parent interface. >=20 > I think the augmentation is the YANG-realization of a sub-interface, > but it is not what a sub-interface is. Also, this definition is > mis-leading; it doesn't mention that a sub-interface has its own > interface type and is represented as one separate entry in the > interface list. I think it is better to import this term from > draft-ietf-netmod-intf-ext-yang (section 3.6) >=20 [RW]=20 Fixed, to pull in the reference from draft-ietf-netmod-intf-ext-yang. > o 3 >=20 > The text says: >=20 > The L3 Interface VLAN model provides appropriate leaves for > termination of an 802.1Q VLAN tagged segment to a sub-interface based > L3 service. >=20 > There is a comment in the YANG model that says the same thing. >=20 > But the YANG model itself augments not only to sub-interface-based > interface, but also to ethernet-like interfaces. >=20 [RW]=20 I've fixed this text to make it clear that the encapsulation can be applied= to an interface or sub-interface both in the description and the YANG mode= l. >=20 > o YANG modules >=20 > Both modules lack the IETF Trust Copyright statement. >=20 > We don't list WG Chairs anymore. >=20 > The revision statements should be on the form: "RFC XXXX: " >=20 > Many descriptions are full sentences w/o the ending ".". >=20 > The modules should be indented properly; a starting point can be > pyang -f yang --yang-line-length 69 >=20 [RW]=20 Hopefully now fixed in the latest revision. >=20 > o ietf-if-l3-vlan >=20 > There is a comment: >=20 > /* > * Matches a single VLAN Id, or a pair of VLAN Ids to classify > * traffic into an L3 service. > */ >=20 > This should be moved into a description clause. [RW]=20 I've removed this comment, and expanded the description clause to: description "Classifies 802.1Q VLAN tagged Ethernet frames to an interface or sub-interface by exactly matching the number of tags, tag type(s) and VLAN identifier(s)."; >=20 > o ietf-if-l3-vlan / container dot1q-vlan >=20 > The must statement has: >=20 > count(../../if-cmn:forwarding-mode) =3D 0 >=20 > This can be changed to not(../../if-cmn:forwarding-mode) which is > more direct imo. >=20 > The must statement's description statement seems to be a > copy-and-paste error. [RW]=20 This constraint has been removed. forwarding-mode was converted to a confi= g false node, and the consensus was that the configuration should not be re= stricted. >=20 >=20 > o ietf-if-l3-vlan / container dot1q-vlan >=20 > The descriptions talk about "matching frames" and "classifying > traffic", but it is not described anywhere how the matching and > classifying is used. >=20 > (also applies to ietf-flexible-encapsulation) [RW]=20 I've added the following paragraph to both models (the basic VLAN model doe= sn't contain the last sentence since it isn't so directly relevant): "Flexibly classifies Ethernet frames to an interface or sub-interface based on the L2 header fields. Only frames matching the classification configured on an interface/sub-interface are processed on that interface/sub-interface. Frames that do not match any sub-interface are processed directly on the parent interface, if it is associated with a forwarding instance, otherwise they are dropped. If a frame could be classified to multiple sub-interfaces then they get classified to the sub-interface with the most specific match. E.g., matching two VLAN tags in the frame is more specific than matching the outermost VLAN tag, which is more specific than the catch all 'default' match."; Do you think that this text is sufficient, or do you think that more is req= uired (e.g., in the document rather than the YANG model)? >=20 >=20 > o ietf-if-l3-vlan / outer-tag / second-tag >=20 > These names are a bit inconsistent. The description describes them > as "outermost tag" and "second outermost tag". Perhaps use these > names instead? >=20 > (same names are found in ietf-flexible-encapsulation) >=20 I prefer the existing names because they are shorter and have been agreed w= ith IEEE 802.1Q WG. The descriptions also make it clear which tags are bei= ng matched, and I've changed the associated description text from "outermos= t tag" to "outermost (first) tag" to hopefully make it a bit clearer. I propose closing this issue without changing the names of the tags. >=20 >=20 > o ietf-flexible-encapsulation / all features >=20 > The features are described as: >=20 > "This feature indicates whether the network element supports > specifying flexible rewrite operations"; >=20 > Should this be s/whether/that ? [RW]=20 Fixed. >=20 >=20 > o ietf-flexible-encapsulation >=20 > There is some descriptive text in comments that should be moved to > description statements. >=20 [RW]=20 Fixed. Descriptive text has been moved into description statements. >=20 > o ietf-flexible-encapsulation >=20 > The descriptions for pop/push are a bit terse. It seems to assume > that readers already know what this (from somewhere) is so it > doesn't need to be described. If this is intended, perhaps add a > reference to where this is described. >=20 [RW]=20 This isn't any standard reference for this functionality. I have tried to = expand the descriptions in the YANG model, please can you check the latest = version of the draft to see if you think these are sufficient. Apologies again for being so slow to process these comments. Regards, Rob >=20 >=20 > /martin >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod From nobody Mon Jul 13 14:54:58 2020 Return-Path: <rwilton@cisco.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8A3D43A07FC for <netmod@ietfa.amsl.com>; Mon, 13 Jul 2020 14:54:53 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.619 X-Spam-Level: X-Spam-Status: No, score=-9.619 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com header.b=JMeqa3EJ; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Don, Apologies for being so slow to get back to you on these comments. As you are aware, I have added some examples to the document, and tweaked a= little bit of the introduction text to hopefully help make it a bit more c= lear about how this YANG module is used in conjunction with IP or L2VPN YAN= G models. If you have time, please can you take a look at the latest draft version (-= 07) https://datatracker.ietf.org/doc/draft-ietf-netmod-sub-intf-vlan-model/= to see if you think the text is sufficient, or further explanation is requ= ired? Regards, Rob From: netmod <netmod-bounces@ietf.org> On Behalf Of Don Fedyk Sent: 20 September 2019 14:24 To: netmod@ietf.org Subject: [netmod] Comments on draft-ietf-netmod-sub-intf-vlan-model-05 Some comments on the draft : On the content of the draft L3 Section: Overall the draft assumes quite a bit of knowledge about L3 service configu= ration. I don't know where L3 service to interfaces in the IETF models. I= 'd guess it is routing to interfaces and IP forwarding based on routing but= if it is defined, pointers in the draft would help. From what I understan= d this draft allows a L3 service interface to terminate to an Ethernet with= any combination of 2 VLAN tags. The draft does not state it but I assume = this encapsulation is symmetric. (Symmetrical/Asymmetrical is only mention= ed for L2). Note the implied service context (what you get when you strip= the tags) allows for symmetric traffic . For L3 this is typically MPLS or= IP 5 tuple etc. On the layer 2 section: For the L2VPN case there is already a YANG file that describes the Service = VLAN tagging. I'm trying to figure you what your draft brings to this cas= e. It seems to me this draft allows (more) flexible tagging for the unqual= ified/unqualified learning VPNs. By allowing translation and possibly carr= ying more tags a single VLAN can carry more diverse traffic. However there= are subtleties in doing VLAN translation. Without examples of application= s I'm left guessing how this is intended to be applied. Also it is not as = easy for me to understand the service context as with L3 above. How do yo= u identify untagged traffic (or is it a tag swapping model?) In L2 VPNs the= classic case of qualified learning (also called independent VLAN learning = in IEEE) removes the (one) outer tag and carries the second tag in the MPLS= frame. The MPLS label stack is the context for the service. The second ta= g is assumed unique in the qualified domain. In Unqualified learning (or sh= ared VLAN learning) removing the one outer tag and means the possibility co= llisions in the second tag space - no unique context is maintained this is = where VLAN translation has typically been used. In both cases the second t= ag is not changed. One application of your draft implies to me that you su= pport he same models but the second tag can be changed. Can you support bot= h unqualified and qualified with the flexible tagging and does it change an= y of the established capabilities? Or something else? It would be really = great clarify. Some text on applicability with concrete L2VPN examples wo= uld help and what it offers over the current L2VPN Yang. Therefore my suggestion is that the draft say something to the effect that: * The draft is limited to the a port/service interface/access m= odel * The draft is agnostic to the full range of the Ethernet funct= ions that rely on the IEEE 802.1 component model. * The draft uses Ethernet compatible Tagging to allow bridging = in between endpoints or interworking with bridges in a with a subset functi= onality.* *Note the draft is adding some other functionally that is outside/alternati= ve to the IEEE 802.1 functions but it interworks with Ethernet on a subset. I think you do have to revisit some the language around compatibility with = compliant bridges with respect to the above points. Best regards Don --_000_MN2PR11MB436640579B8A35CD291453C8B5600MN2PR11MB4366namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr= osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:= //www.w3.org/TR/REC-html40"> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"= > <meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)"> <style><!-- /* Font Definitions */ @font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm; margin-bottom:.0001pt; font-size:11.0pt; font-family:"Calibri",sans-serif;} a:link, span.MsoHyperlink {mso-style-priority:99; color:#0563C1; text-decoration:underline;} span.EmailStyle19 {mso-style-type:personal-reply; font-family:"Calibri",sans-serif; color:windowtext;} .MsoChpDefault {mso-style-type:export-only; font-size:10.0pt;} @page WordSection1 {size:612.0pt 792.0pt; margin:72.0pt 72.0pt 72.0pt 72.0pt;} div.WordSection1 {page:WordSection1;} --></style><!--[if gte mso 9]><xml> <o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--> </head> <body lang=3D"EN-GB" link=3D"#0563C1" vlink=3D"#954F72"> <div class=3D"WordSection1"> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">Hi Don,<o= :p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs= p;</o:p></span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">Apologies= for being so slow to get back to you on these comments.<o:p></o:p></span><= /p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs= p;</o:p></span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">As you ar= e aware, I have added some examples to the document, and tweaked a little b= it of the introduction text to hopefully help make it a bit more clear abou= t how this YANG module is used in conjunction with IP or L2VPN YANG models.<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs= p;</o:p></span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">If you ha= ve time, please can you take a look at the latest draft version (-07) </span><a href=3D"https://datatracker.ietf.org/doc/draft-ietf-netmod-sub-in= tf-vlan-model/">https://datatracker.ietf.org/doc/draft-ietf-netmod-sub-intf= -vlan-model/</a><span style=3D"mso-fareast-language:EN-US"> to see if you t= hink the text is sufficient, or further explanation is required?<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs= p;</o:p></span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">Regards,<= br> Rob<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs= p;</o:p></span></p> <p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs= p;</o:p></span></p> <div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm = 4.0pt"> <div> <div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm = 0cm 0cm"> <p class=3D"MsoNormal"><b><span lang=3D"EN-US">From:</span></b><span lang= =3D"EN-US"> netmod <netmod-bounces@ietf.org> <b>On Behalf Of </b>Don Fedyk<br> <b>Sent:</b> 20 September 2019 14:24<br> <b>To:</b> netmod@ietf.org<br> <b>Subject:</b> [netmod] Comments on draft-ietf-netmod-sub-intf-vlan-model-= 05<o:p></o:p></span></p> </div> </div> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">Some comments on the draft :<o:= p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">On the content of the draft L3 = Section:  <o:p> </o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">Overall the draft assumes quite= a bit of knowledge about L3 service configuration.  I don’t kno= w where L3 service to interfaces in the IETF models.  I’d guess = it is routing to interfaces and IP forwarding based on routing but if it is defined, pointers in the draft would help.  From what I = understand this draft allows a L3 service interface to terminate to an Ethe= rnet with any combination of 2 VLAN tags.  The draft does not state it= but I assume this encapsulation is symmetric.  (Symmetrical/Asymmetrical is only mentioned for L2).   Not= e the implied service context (what you get when you strip the tags) allows= for symmetric traffic . For  L3 this is typically MPLS or IP 5 tuple = etc. <o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">On the layer 2 section:  <= o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">For the L2VPN case there is alr= eady a YANG file that describes the Service VLAN tagging.   IR= 17;m trying to figure you what your draft brings to this case.  It see= ms to me this draft allows (more) flexible tagging for the unqualified/unqualified learning VPNs.  By allowing translation and p= ossibly carrying more tags a single VLAN can carry more diverse traffic.&nb= sp; However there are subtleties in doing VLAN translation.  Without e= xamples of applications I’m left guessing how this is intended to be applied.  Also it is not as easy for me to understa= nd the service context as with L3 above.   How do you identify un= tagged traffic (or is it a tag swapping model?) In L2 VPNs the classic case= of qualified learning (also called independent VLAN learning in IEEE) removes the (one) outer tag and carries the second = tag in the MPLS frame.  The MPLS label stack is the context for the se= rvice. The second tag is assumed unique in the qualified domain. In Unquali= fied learning (or shared VLAN learning) removing the one outer tag and means the possibility collisions in the sec= ond tag space – no unique context is maintained this is where VLAN tr= anslation has typically been used.  In both cases the second tag is no= t changed.  One application of your draft implies to me that you support he same models but the second tag can be changed. C= an you support both unqualified and qualified with the flexible tagging and= does it change any of the established capabilities?  Or something els= e?  It would be really great clarify.   Some text on applicability with concrete L2VPN examples would help and wha= t it offers over the current L2VPN Yang. <o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">Therefore my suggestion is that= the draft say something to the effect that: <o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">•    =          The draft is limited to th= e a port/service interface/access model<o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">•    =          The draft is agnostic to t= he full range of the Ethernet functions that rely on the IEEE 802.1 compone= nt model. <o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">•    =          The draft uses Ethernet co= mpatible Tagging to allow bridging in between endpoints or interworking wit= h bridges in a with a subset functionality.*<o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">*Note the draft is adding some = other functionally that is outside/alternative to the IEEE 802.1 functions = but it interworks with Ethernet on a subset. <o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">I think you do have to revisit = some the language around compatibility with compliant bridges with respect = to the above points. <o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US">Best regards<o:p></o:p></span><= /p> <p class=3D"MsoNormal"><span lang=3D"EN-US">Don<o:p></o:p></span></p> </div> </div> </body> </html> --_000_MN2PR11MB436640579B8A35CD291453C8B5600MN2PR11MB4366namp_-- From nobody Tue Jul 14 13:52:39 2020 Return-Path: <joelja@bogus.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 933653A0C45; Tue, 14 Jul 2020 13:52:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.896 X-Spam-Level: X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8Yp2wLhm9q3n; Tue, 14 Jul 2020 13:52:35 -0700 (PDT) Received: from nagasaki.bogus.com (nagasaki.bogus.com [IPv6:2001:418:1::81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CB8BA3A0C53; Tue, 14 Jul 2020 13:52:35 -0700 (PDT) Received: from [192.168.0.104] ([73.63.242.69]) (authenticated bits=0) by nagasaki.bogus.com (8.15.2/8.15.2) with ESMTPSA id 06EKqX4L086157; Tue, 14 Jul 2020 20:52:34 GMT (envelope-from joelja@bogus.com) X-Authentication-Warning: nagasaki.bogus.com: Host [73.63.242.69] claimed to be [192.168.0.104] From: Joel Jaeggli <joelja@bogus.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_E7E5B870-FF88-4F4E-927F-C67CE979ACAC" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Tue, 14 Jul 2020 13:52:28 -0700 References: <687b863b-4d54-db67-e3af-b08588c85360@bogus.com> <1cd1d7f0-3431-101e-0289-de382353a6e8@bogus.com> To: NETMOD Working Group <netmod@ietf.org>, "netmod-chairs@ietf.org" <netmod-chairs@ietf.org> In-Reply-To: <1cd1d7f0-3431-101e-0289-de382353a6e8@bogus.com> Message-Id: <E56C575B-DCE7-4210-BE3B-475B7CA684DC@bogus.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/8Bq7q58FGUocMsUSUwroxrSUntk> Subject: Re: [netmod] WGLC - Comparison of NMDA datastores - draft-ietf-netmod-nmda-diff-03 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Tue, 14 Jul 2020 20:52:38 -0000 --Apple-Mail=_E7E5B870-FF88-4F4E-927F-C67CE979ACAC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii diff-04 should address the wglc comments = https://www.ietf.org/rfcdiff?url1=3Ddraft-ietf-netmod-nmda-diff-03&url2=3D= draft-ietf-netmod-nmda-diff-04 = <https://www.ietf.org/rfcdiff?url1=3Ddraft-ietf-netmod-nmda-diff-03&url2=3D= draft-ietf-netmod-nmda-diff-04> so we will progress to iesg. > On Mar 8, 2020, at 17:10, Joel Jaeggli <joelja@bogus.com> wrote: >=20 > This working group last call completed on March 2nd. >=20 > Some corrections, and adjustments were requested in the discussion > between Juergen and Alex.=20 >=20 > While the last call window did not see a lot of postive or negative > support it aligns well with the dicussion at the last meeting on > readiness to advance. I think we can call consensus on this point. >=20 > if a draft 04 appears shortly addressing the changes that were made I > think we can move it along. >=20 > Thanks >=20 > joel >=20 > On 2/17/20 11:42, Joel Jaeggli wrote: >> Greetings, >>=20 >> This was supposed to get processed shortly after IETF 106, however I = lost track of it. We are therefore running a 2 week WGLC on = draft-ietf-netmod-nmda-diff-03. >>=20 >> https://datatracker.ietf.org/doc/draft-ietf-netmod-nmda-diff/ >>=20 >> the 02 - 03 diff is available here: >>=20 >> = https://www.ietf.org/rfcdiff?url1=3Ddraft-ietf-netmod-nmda-diff-02&url2=3D= draft-ietf-netmod-nmda-diff-03 >>=20 >> Please send email to the list indicating your support or concerns. >>=20 >> This WGLC will conclude Monday March 2nd. >>=20 >>=20 >> Thank you, >> NETMOD WG Chairs >>=20 > <pEpkey.asc>_______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod --Apple-Mail=_E7E5B870-FF88-4F4E-927F-C67CE979ACAC Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" = class=3D"">diff-04 should address the wglc comments<div class=3D""><br = class=3D""></div><div class=3D""><a = href=3D"https://www.ietf.org/rfcdiff?url1=3Ddraft-ietf-netmod-nmda-diff-03= &url2=3Ddraft-ietf-netmod-nmda-diff-04" = class=3D"">https://www.ietf.org/rfcdiff?url1=3Ddraft-ietf-netmod-nmda-diff= -03&url2=3Ddraft-ietf-netmod-nmda-diff-04</a></div><div class=3D""><br= class=3D""></div><div class=3D"">so we will progress to iesg.<br = class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div = class=3D"">On Mar 8, 2020, at 17:10, Joel Jaeggli <<a = href=3D"mailto:joelja@bogus.com" class=3D"">joelja@bogus.com</a>> = wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div = class=3D"">This working group last call completed on March 2nd.<br = class=3D""><br class=3D"">Some corrections, and adjustments were = requested in the discussion<br class=3D"">between Juergen and = Alex. <br class=3D""><br class=3D"">While the last call window did = not see a lot of postive or negative<br class=3D"">support it aligns = well with the dicussion at the last meeting on<br class=3D"">readiness = to advance. I think we can call consensus on this point.<br class=3D""><br= class=3D"">if a draft 04 appears shortly addressing the changes that = were made I<br class=3D"">think we can move it along.<br class=3D""><br = class=3D"">Thanks<br class=3D""><br class=3D"">joel<br class=3D""><br = class=3D"">On 2/17/20 11:42, Joel Jaeggli wrote:<br class=3D""><blockquote= type=3D"cite" class=3D"">Greetings,<br class=3D""><br class=3D"">This = was supposed to get processed shortly after IETF 106, however I lost = track of it. We are therefore running a 2 week WGLC on = draft-ietf-netmod-nmda-diff-03.<br class=3D""><br class=3D""><a = href=3D"https://datatracker.ietf.org/doc/draft-ietf-netmod-nmda-diff/" = class=3D"">https://datatracker.ietf.org/doc/draft-ietf-netmod-nmda-diff/</= a><br class=3D""><br class=3D"">the 02 - 03 diff is available here:<br = class=3D""><br = class=3D"">https://www.ietf.org/rfcdiff?url1=3Ddraft-ietf-netmod-nmda-diff= -02&url2=3Ddraft-ietf-netmod-nmda-diff-03<br class=3D""><br = class=3D"">Please send email to the list indicating your support or = concerns.<br class=3D""><br class=3D"">This WGLC will conclude Monday = March 2nd.<br class=3D""><br class=3D""><br class=3D"">Thank you,<br = class=3D"">NETMOD WG Chairs<br class=3D""><br = class=3D""></blockquote><span = id=3D"cid:953067A3-0144-4AD8-8BEC-6ECAF262EF98"><pEpkey.asc></span>_= ______________________________________________<br class=3D"">netmod = mailing list<br class=3D""><a href=3D"mailto:netmod@ietf.org" = class=3D"">netmod@ietf.org</a><br = class=3D"">https://www.ietf.org/mailman/listinfo/netmod<br = class=3D""></div></div></blockquote></div><br = class=3D""></div></body></html>= --Apple-Mail=_E7E5B870-FF88-4F4E-927F-C67CE979ACAC-- From nobody Tue Jul 14 13:56:05 2020 Return-Path: <010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@amazonses.watsen.net> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4BD1C3A086D; Tue, 14 Jul 2020 13:56:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=amazonses.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dkVhzq4xWWNo; Tue, 14 Jul 2020 13:56:00 -0700 (PDT) Received: from a48-94.smtp-out.amazonses.com (a48-94.smtp-out.amazonses.com [54.240.48.94]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 10EB83A08A2; Tue, 14 Jul 2020 13:55:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1594760158; h=From:Content-Type:Content-Transfer-Encoding:Mime-Version:Subject:Message-Id:Date:Cc:To:Feedback-ID; bh=MKkY6hebPXgFfWxQJgzLUf6C+SU4nrS+cEN2NKWpfuc=; b=LqPNYwxZD4n1Pw1Gierzd97eKAWZog6meVz5WlG0OmvPzXhce/6jD5pQM9QhUHGM GZgl0ggc7tIGqm0ZP38Wdrc8LbkzmWlsZ4LzmVv1bSNkZZeHDCztQaPZ9j85ReACNn8 Uu9txClHG5llMtM22/TBm2qJ7l6s0M7dmSQptTcY= From: Kent Watsen <kent+ietf@watsen.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Message-ID: <010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@email.amazonses.com> Date: Tue, 14 Jul 2020 20:55:58 +0000 Cc: "netmod-chairs@ietf.org" <netmod-chairs@ietf.org> To: "netmod@ietf.org" <netmod@ietf.org> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SES-Outgoing: 2020.07.14-54.240.48.94 Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/Az8E8jNzjvw0uKAOUvVUl5P8GyU> Subject: [netmod] Preliminary agenda X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Tue, 14 Jul 2020 20:56:04 -0000 NETMOD WG. The preliminary agenda has been posted. Please send and comments or correction to the chairs (CC-ed) The following WG documents did not have presentations requests. = Authors, please either request a presentation slot now or send a status = to the list before the meeting: draft-ietf-netmod-geo-location-04 draft-ietf-netmod-rfc6991-bis-04 Thanks, NETMOD Chairs Agenda for the NETMOD 108 WG Session ------------------------------------- https://datatracker.ietf.org/meeting/108/materials/agenda-108-netmod Session: Thursday July 28th UTC: 14:10-15:50 WG Chairs: Kent Watsen (kent plus ietf at watsen dot net) Lou Berger (lberger at labs dot net) Joel Jaeggli (joelja at bogus dot com) Available Only During Session: ICS: = https://datatracker.ietf.org/meeting/108/sessions/netmod.ics Jabber: xmpp:netmod@jabber.ietf.org?join MeetEcho Audio: http://mp3.conf.meetecho.com/ietf/ietf1084.m3u MeetEcho Video: http://www.meetecho.com/ietf108/netconf/ Available During / After Session: Etherpad: https://etherpad.ietf.org/p/notes-ietf-108-netmod Slides: = https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.tgz Available Only After Session: Recording: MeetEcho recording be made available after the = meeting. Jabber Logs: https://www.ietf.org/jabber/logs/netmod Introduction Chairs (10 minutes) Session Intro & WG Status Chartered items: Update on: (5 min) - Sub-interface VLAN YANG Data Models - Common Interface Extension YANG Data Models https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-07 https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09 Rob Wilton Updated YANG Module Revision Handling (20 min) = https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versioning-01 Reshad Rahman or Balazs Lengyel YANG Semantic Versioning (15 min) https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01 Joe Clarke Non-Chartered items: Telemetry Data Self Explanation Tags (10 min) https://tools.ietf.org/html/draft-tao-netmod-yang-node-tags-03 Qin Wu Remaining 40 min. 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Wed, 15 Jul 2020 06:45:17 +0000 To: "core@ietf.org WG (core@ietf.org)" <core@ietf.org> Cc: netmod@ietf.org From: Marco Tiloca <marco.tiloca@ri.se> Autocrypt: addr=marco.tiloca@ri.se; prefer-encrypt=mutual; keydata= mQENBFSNeRUBCAC44iazWzj/PE3TiAlBsaWna0JbdIAJFHB8PLrqthI0ZG7GnCLNR8ZhDz6Z aRDPC4FR3UcMhPgZpJIqa6Zi8yWYCqF7A7QhT7E1WdQR1G0+6xUEd0ZD+QBdf29pQadrVZAt 0G4CkUnq5H+Sm05aw2Cpv3JfsATVaemWmujnMTvZ3dFudCGNdsY6kPSVzMRyedX7ArLXyF+0 Kh1T4WUW6NHfEWltnzkcqRhn2NcZtADsxWrMBgZXkLE/dP67SnyFjWYpz7aNpxxA+mb5WBT+ NrSetJlljT0QOXrXMGh98GLfNnLAl6gJryE6MZazN5oxkJgkAep8SevFXzglj7CAsh4PABEB AAG0Nk1hcmNvIFRpbG9jYSAobWFyY28udGlsb2NhQHJpLnNlKSA8bWFyY28udGlsb2NhQHJp LnNlPokBNwQTAQgAIQUCWkAnkAIbAwULCQgHAgYVCAkKCwIEFgIDAQIeAQIXgAAKCRDuJmS0 DljaQwEvCACJKPJIPGH0oGnLJY4G1I2DgNiyVKt1H4kkc/eT8Bz9OSbAxgZo3Jky382e4Dba ayWrQRFen0aLSFuzbU4BX4O/YRSaIqUO3KwUNO1iTC65OHz0XirGohPUOsc0SEMtpm+4zfYG 7G8p35MK0h9gpwgGMG0j0mZX4RDjuywC88i1VxCwMWGaZRlUrPXkC3nqDDRcPtuEGpncWhAV Qt2ZqeyITv9KCUmDntmXLPe6vEXtOfI9Z3HeqeI8OkGwXpotVobgLa/mVmFj6EALDzj7HC2u tfgxECBJddmcDInrvGgTkZtXEVbyLQuiK20lJmYnmPWN8DXaVVaQ4XP/lXUrzoEzuQENBFSN eRUBCACWmp+k6LkY4/ey7eA7umYVc22iyVqAEXmywDYzEjewYwRcjTrH/Nx1EqwjIDuW+BBE oMLRZOHCgmjo6HRmWIutcYVCt9ieokultkor9BBoQVPiI+Tp51Op02ifkGcrEQNZi7q3fmOt hFZwZ6NJnUbA2bycaKZ8oClvDCQj6AjEydBPnS73UaEoDsqsGVjZwChfOMg5OyFm90QjpIw8 m0uDVcCzKKfxq3T/z7tyRgucIUe84EzBuuJBESEjK/hF0nR2LDh1ShD29FWrFZSNVVCVu1UY ZLAayf8oKKHHpM+whfjEYO4XsDpV4zQ15A+D15HRiHR6Adf4PDtPM1DCwggjABEBAAGJAR8E GAECAAkFAlSNeRUCGwwACgkQ7iZktA5Y2kPGEwf/WNjTy3z74vLmHycVsFXXoQ8W1+858mRy Ad0a8JYzY3xB7CVtqI3Hy894Qcw4H6G799A1OL9B1EeA8Yj3aOz0NbUyf5GW+iotr3h8+KIC OYZ34/BQaOLzdvDNmRoGHn+NeTzhF7eSeiPKi2jex+NVodhjOVGXw8EhYGkeZLvynHEboiLM 4TbyPbVR9HsdVqKGVTDxKSE3namo3kvtY6syRFIiUz5WzJfYAuqbt6m3TxDEb8sA9pzaLuhm fnJRc12H5NVZEZmE/EkJFTlkP4wnZyOSf/r2/Vd0iHauBwv57cpY6HFFMe7rvK4s7ME5zctO Ely5C6NCu1ZaNtdUuqDSPA== Message-ID: <63fc47fa-379d-7646-166c-72f7c2f85373@ri.se> Date: Wed, 15 Jul 2020 08:45:09 +0200 User-Agent: Mozilla/5.0 (X11; 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boundary="ry2ylIi2deasetvX6C8oylYTapTJvfib4" --ry2ylIi2deasetvX6C8oylYTapTJvfib4 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Dear all, Following the discussion from the Virtual CoRE meeting in April, and considering the recently resubmitted versions, this mail starts a second Working Group Last Call for the documents: https://tools.ietf.org/html/draft-ietf-core-yang-cbor-13 https://tools.ietf.org/html/draft-ietf-core-comi-10 https://tools.ietf.org/html/draft-ietf-core-sid-14 https://tools.ietf.org/html/draft-ietf-core-yang-library-02 This WGLC will end on Wednesday, 29th of July. When replying, please start a new email thread with the subject indicating the name of the document you refer to. This WGLC is also copied to the netmod WG mailing list. Best, Marco and Jaime --=20 Marco Tiloca Ph.D., Senior Researcher RISE Research Institutes of Sweden Division ICT Isafjordsgatan 22 / Kistag=C3=A5ngen 16 SE-164 40 Kista (Sweden) Phone: +46 (0)70 60 46 501 https://www.ri.se --ry2ylIi2deasetvX6C8oylYTapTJvfib4-- --Tqag90zHhnUbw6S5hP8eXNYvtJ0xU19Zh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEOEo4cV326Z7GypVg7iZktA5Y2kMFAl8OpfUACgkQ7iZktA5Y 2kPjowf+Lxn2HqIxGSlrhgYzTI4AD285gPpcIEKtiHgIzfzq46+R/0QCTSSvp4Sm RXIxbAzsXdEsibhShqMKXwEj5ur2eyU9Hogts2TiAgQlyC6RPuohmBMojrNtpfdi yvaSR34gIrY56zT2CbXwOHLVvMI3zuaYnF9Yaekv1kVLNNQAfg43Uw7yZz19A/Ej drRM/Eki26vcBr4651QJiZYwBZ/WlSwUR2BeQk5HlEaUz0YPqU9m89AhM/07Drnp +ng/VFy0TrQblkfzp20t512eon2kEVyPwmVcxqxBts8WECR9LvXKPY9APvJuxFLy uT904ABxc91ZhZHsWZ8pxQFkpNAOtA== =dE6Q -----END PGP SIGNATURE----- --Tqag90zHhnUbw6S5hP8eXNYvtJ0xU19Zh-- From nobody Wed Jul 15 08:50:57 2020 Return-Path: <ietfc@btconnect.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 08E133A07AC for <netmod@ietfa.amsl.com>; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR07MB5222.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 507aa040-b55f-442d-76c9-08d828d6d4b4 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Jul 2020 15:50:42.7905 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: hjEfa9jMkm1jK7eWwZsx8ASGq7qHCBmy3YPUXKGPBQkkS9RSVKB4jrnkxE55bJ8NB5TpphdQA0I9yBROycSd/Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR07MB6643 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/VhWAgn_Zi2vRE3a3_6yq2i5Me_I> Subject: [netmod] A ---- > B X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 15 Jul 2020 15:50:47 -0000 TEAS yang has a mountain of augment and several I-D represent that graphica= lly=0A= =0A= +-----+ +-----+=0A= I I I I=0A= I A I -----> I B I=0A= I I I I=0A= +-----+ +-----+=0A= In some I-D this means A augments B=0A= In other I-D this means B augments A=0A= I would like consistency. Is one approach more logical than the other?=0A= =0A= Tom Petch= From nobody Thu Jul 16 07:24:53 2020 Return-Path: <mvasko@cesnet.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B99F63A0917 for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 07:24:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.319 X-Spam-Level: X-Spam-Status: No, score=-1.319 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_NEUTRAL=0.779, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cesnet.cz Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8BXS0-JzxDMQ for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 07:24:48 -0700 (PDT) Received: from kalendar.cesnet.cz (kalendar.cesnet.cz [IPv6:2001:718:1:1f:50:56ff:feee:34]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3EA893A08DB for <netmod@ietf.org>; Thu, 16 Jul 2020 07:24:46 -0700 (PDT) Received: by kalendar.cesnet.cz (Postfix, from userid 999) id 724E0601A4; Thu, 16 Jul 2020 16:24:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cesnet.cz; s=kalendar; t=1594909483; bh=VroDWP0bP4N59+OE1c1h7z9dTuerd8Z7QsKOfW7iCtE=; h=To:Date:Subject:From; b=aN7riZFc/C1VF1H5Ea0kiqbEYEqjgwLf2NVNcJcFgXR7D96Dtdfc/cN0KwtdFQIsR 8oFdYZlYmttp8aD78wnoWgoIE0R52mWtpLFGT/m2xUSYCBfl5+POOAlUWWWZfL49MB CEpkpzn6cj+3zh/FLfQrxn856aiaoXq6vAx/0eoQ= Content-Type: text/plain; charset="utf-8" To: "netmod" <netmod@ietf.org> User-Agent: SOGoMail 2.3.23 MIME-Version: 1.0 Date: Thu, 16 Jul 2020 16:24:43 +0200 Message-ID: <15dd-5f106300-3d-41094600@245675998> X-Forward: 2001:67c:1220:80c:b5:55d3:81d5:8636 From: =?utf-8?q?Michal_Va=C5=A1ko?= <mvasko@cesnet.cz> Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/5B_pP4yQ_n3yfg1Ao7A-xW6RXeA> Subject: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 16 Jul 2020 14:24:53 -0000 Hello, it seems that there are cases when YANG data represented in JSON includ= e more information than when converted to XML. Example: YANG: module a { leaf l { type union { type string; type uint8; } } } JSON: { "a:l": 20 } These data will be parsed as the leaf "l" of type "uint8" based on the = JSON specs [1]. Then, when printed again XML: <a:l>20<a:l> this XML would be parsed as leaf "l" of type "string". Similar problem occurs also for boolean. So I am just wondering, is thi= s a known bug/feature, is it intentional? It is true that applications = usually choose one format and stick to it but it is not a requirement a= nd I can see this having possibly quite nasty consequences. Regards, Michal [1] https://tools.ietf.org/html/rfc7951#section-6.10 From nobody Thu Jul 16 08:31:05 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 72E1A3A0AC5 for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 08:31:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8Pnq31jBhBOZ for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 08:31:02 -0700 (PDT) Received: from trail.lhotka.name (trail.lhotka.name [77.48.224.143]) by ietfa.amsl.com (Postfix) with ESMTP id 7C2453A0AC4 for <netmod@ietf.org>; Thu, 16 Jul 2020 08:31:00 -0700 (PDT) Received: by trail.lhotka.name (Postfix, from userid 109) id 3D8978600CA; Thu, 16 Jul 2020 17:23:18 +0200 (CEST) Received: from localhost (unknown [172.29.2.100]) by trail.lhotka.name (Postfix) with ESMTPSA id 2A99986005D; Thu, 16 Jul 2020 17:23:17 +0200 (CEST) From: Ladislav Lhotka <ladislav.lhotka@nic.cz> To: Michal =?utf-8?Q?Va=C5=A1ko?= <mvasko@cesnet.cz>, netmod <netmod@ietf.org> In-Reply-To: <15dd-5f106300-3d-41094600@245675998> References: <15dd-5f106300-3d-41094600@245675998> Mail-Followup-To: Michal =?utf-8?Q?Va=C5=A1ko?= <mvasko@cesnet.cz>, netmod <netmod@ietf.org> Date: Thu, 16 Jul 2020 17:30:57 +0200 Message-ID: <87mu3z4gum.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/vuCEVtFqISy-ZguH7z2I3AgrW6Y> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 16 Jul 2020 15:31:04 -0000 Hi Michal, Michal Va=C5=A1ko <mvasko@cesnet.cz> writes: > Hello, > it seems that there are cases when YANG data represented in JSON include = more information than when converted to XML. Example: > > YANG: > > module a { > leaf l { > type union { > type string; > type uint8; > } > } > } > > JSON: > > { > "a:l": 20 > } > > These data will be parsed as the leaf "l" of type "uint8" based on the JS= ON specs [1]. Then, when printed again > > XML: > > <a:l>20<a:l> > > this XML would be parsed as leaf "l" of type "string". > > Similar problem occurs also for boolean. So I am just wondering, is this = a known bug/feature, is it intentional? It is true that applications usuall= y choose one format and stick to it but it is not a requirement and I can s= ee this having possibly quite nasty consequences. This has already been discussed several times in the past, for example in t= his thread: https://mailarchive.ietf.org/arch/browse/netmod/?gbt=3D1&index=3DdqNrvzOV2U= r6RoX6rTW-ZzsV65g In my view, if it is a bug, it is in the design of the union type in YANG -= there is no general way to signal the actual union member type for an inst= ance. I believe it is a good thing that some encodings allow for at least p= artial signalling. Note that similar issues may arise even more often in CBOR, see e.g. commen= ts for section 5.12 in https://mailarchive.ietf.org/arch/msg/core/Zrb2yhSSdlouS6PI9qfsA1bsDB4/ Lada > > Regards, > Michal > > [1] https://tools.ietf.org/html/rfc7951#section-6.10 > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod --=20 Ladislav Lhotka=20 Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Thu Jul 16 08:55:27 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 98E4E3A0B16 for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 08:55:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id palCjblTYGSG for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 08:55:24 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C0C7E3A0B13 for <netmod@ietf.org>; Thu, 16 Jul 2020 08:55:24 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 5A118333; Thu, 16 Jul 2020 17:55:23 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id 1qy0ptSK2BYW; Thu, 16 Jul 2020 17:55:23 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Thu, 16 Jul 2020 17:55:23 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 078AF20154; Thu, 16 Jul 2020 17:55:23 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id H9cznxtgWydt; Thu, 16 Jul 2020 17:55:22 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id B0697200E4; Thu, 16 Jul 2020 17:55:22 +0200 (CEST) Date: Thu, 16 Jul 2020 17:55:22 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Michal =?utf-8?B?VmHFoWtv?= <mvasko@cesnet.cz> Cc: netmod <netmod@ietf.org> Message-ID: <20200716155522.6sec4q7riy2hxqfj@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Michal =?utf-8?B?VmHFoWtv?= <mvasko@cesnet.cz>, netmod <netmod@ietf.org> References: <15dd-5f106300-3d-41094600@245675998> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <15dd-5f106300-3d-41094600@245675998> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/iEsfrhaIxx2whsoF8hJTzVliXHA> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 16 Jul 2020 15:55:27 -0000 On Thu, Jul 16, 2020 at 04:24:43PM +0200, Michal Va=C5=A1ko wrote: >=20 > Similar problem occurs also for boolean. So I am just wondering, is thi= s a known bug/feature, is it intentional? It is true that applications us= ually choose one format and stick to it but it is not a requirement and I= can see this having possibly quite nasty consequences. > This is known and has already be known when the JSON format was standardized. Whether it is a feature or a bug (and if so where the bug is) depends on whom you talk to. /js --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Thu Jul 16 11:17:03 2020 Return-Path: <rwilton@cisco.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 02FF43A0101 for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 11:17:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.12 X-Spam-Level: X-Spam-Status: No, score=-9.12 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, SUBJ_ALL_CAPS=0.5, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN2PR11MB4366.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6c58d1b9-ae16-469b-a651-08d829b46d46 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Jul 2020 18:16:57.5534 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 5GwfuygkY88uHmF8XsFQ7ca2ZLy0ozrx7stSY2yZWDgBOUb5trVwGNTylTmm+vvKCHeL/0Rf3vOK+ZMM+9hGWw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB4432 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.15, xch-rcd-005.cisco.com X-Outbound-Node: alln-core-10.cisco.com Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/9nLgxRtHeCVwRghnCX3bFyaV24Q> Subject: Re: [netmod] A ---- > B X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 16 Jul 2020 18:17:02 -0000 [As an individual] I would say that the diagram would represent A augments B, since A has a de= pendency on B. From a quick search this also appears the direction that a = dependency arrow is represented in UML, in case that matters. But I could also see how others could see the relationship the other way ro= und. I agree that doing it consistently is helpful. Regards, Rob > -----Original Message----- > From: netmod <netmod-bounces@ietf.org> On Behalf Of tom petch > Sent: 15 July 2020 16:51 > To: NETMOD Working Group <netmod@ietf.org> > Subject: [netmod] A ---- > B >=20 > TEAS yang has a mountain of augment and several I-D represent that > graphically >=20 > +-----+ +-----+ > I I I I > I A I -----> I B I > I I I I > +-----+ +-----+ > In some I-D this means A augments B > In other I-D this means B augments A > I would like consistency. Is one approach more logical than the other? >=20 > Tom Petch > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod From nobody Thu Jul 16 23:28:45 2020 Return-Path: <mvasko@cesnet.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C93143A12D2 for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 23:28:43 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.319 X-Spam-Level: X-Spam-Status: No, score=-1.319 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_NEUTRAL=0.779, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cesnet.cz Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VvMCNwhl-m6v for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 23:28:40 -0700 (PDT) Received: from kalendar.cesnet.cz (kalendar.cesnet.cz [78.128.211.34]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 985C63A12D1 for <netmod@ietf.org>; Thu, 16 Jul 2020 23:28:38 -0700 (PDT) Received: by kalendar.cesnet.cz (Postfix, from userid 999) id 88A1E60174; Fri, 17 Jul 2020 08:28:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cesnet.cz; s=kalendar; t=1594967315; bh=v6qpUXmx8bQPjR5rKKGfdFmkSaoxtCludbkD5cuw5Ek=; h=In-Reply-To:From:Date:Cc:To:Subject; b=dMhgxfnM0bZoVqdO2ZVYJC2i+HchYgtmwNiSuRZMFw3TO5z5gFUbRddK1+TBtrVJw mRrYZCYeJ6z7ftyI1oDvDl5OU+F+QDJScz+2TVN5I3D5hrIEqiZfkLvao9PzDtys6O eb9+Pca+DpXCGJptrF8NylW09Veyeeb77H7EpR/c= Content-Type: text/plain; charset="utf-8" In-Reply-To: <20200716155522.6sec4q7riy2hxqfj@anna.jacobs.jacobs-university.de> From: =?utf-8?q?Michal_Va=C5=A1ko?= <mvasko@cesnet.cz> X-Forward: 2001:67c:1220:80c:b5:55d3:81d5:8636 Date: Fri, 17 Jul 2020 08:28:35 +0200 Cc: "netmod" <netmod@ietf.org> To: "Juergen Schoenwaelder" <j.schoenwaelder@jacobs-university.de> MIME-Version: 1.0 Message-ID: <4472-5f114500-29-46c1b700@210905002> User-Agent: SOGoMail 2.3.23 Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/CJcOAYoKRWHcpnQURG05zxuRiRs> Subject: Re: [netmod] =?utf-8?b?Pz09P3V0Zi04P3E/ICBKU09OIHRvIFhNTCBsb3NzeSBj?= =?utf-8?q?onversion?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 06:28:44 -0000 Thanks for the answers and sorry for not searching the mailing list arc= hive first. However, I interpret your answers as "we know about it, it is not ideal= , but it will stay the way it is". I was hoping for something better. Regards, Michal On Thursday, July 16, 2020 17:55 CEST, Juergen Schoenwaelder <j.schoenw= aelder@jacobs-university.de> wrote: > On Thu, Jul 16, 2020 at 04:24:43PM +0200, Michal Va=C5=A1ko wrote: > > > > Similar problem occurs also for boolean. So I am just wondering, is= this a known bug/feature, is it intentional? It is true that applicati= ons usually choose one format and stick to it but it is not a requireme= nt and I can see this having possibly quite nasty consequences. > > > > This is known and has already be known when the JSON format was > standardized. Whether it is a feature or a bug (and if so where > the bug is) depends on whom you talk to. > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | German= y > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Thu Jul 16 23:45:15 2020 Return-Path: <cabo@tzi.org> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 491D53A12E1 for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 23:45:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.919 X-Spam-Level: X-Spam-Status: No, score=-1.919 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iKv8-JKK_eac for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 23:45:11 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2AB213A0F68 for <netmod@ietf.org>; Thu, 16 Jul 2020 23:45:10 -0700 (PDT) Received: from [192.168.217.116] (p5089ae91.dip0.t-ipconnect.de [80.137.174.145]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4B7M7Q57Kfz103h; Fri, 17 Jul 2020 08:45:05 +0200 (CEST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) From: Carsten Bormann <cabo@tzi.org> In-Reply-To: <87mu3z4gum.fsf@nic.cz> Date: Fri, 17 Jul 2020 08:44:57 +0200 Cc: =?utf-8?Q?Michal_Va=C5=A1ko?= <mvasko@cesnet.cz>, netmod <netmod@ietf.org> X-Mao-Original-Outgoing-Id: 616661097.163286-e3aba04ff84010214b46dbd973024086 Content-Transfer-Encoding: quoted-printable Message-Id: <3A6BD609-92FE-4646-8CDA-6EF514353012@tzi.org> References: <15dd-5f106300-3d-41094600@245675998> <87mu3z4gum.fsf@nic.cz> To: Ladislav Lhotka <ladislav.lhotka@nic.cz> X-Mailer: Apple Mail (2.3608.80.23.2.2) Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/OlP-n457y93OXMamMNTsrH97g3U> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 06:45:14 -0000 > In my view, if it is a bug, it is in the design of the union type in = YANG - there is no general way to signal the actual union member type = for an instance. Right. The ambiguity is normally not a problem for a type choice (which = is just a union of the possible values of all types given), unless what = specific alternative was chosen is intended to carry semantics. > I believe it is a good thing that some encodings allow for at least = partial signalling. >=20 > Note that similar issues may arise even more often in CBOR, see e.g. = comments for section 5.12 in >=20 > = https://mailarchive.ietf.org/arch/msg/core/Zrb2yhSSdlouS6PI9qfsA1bsDB4/ In the original YANG (XML-only), everything was represented as a text = string, so the ambiguity was the highest we see now. YANG-JSON and = YANG-CBOR provide progressively more disambiguating information, so the = interpretation (which chosen alternative) may be different from the one = after converting to YANG-XML. It gets slightly worse if the non-text type has a conversion to text = that is not fully nailed down; I don=E2=80=99t know if that is a problem = with the current set of YANG types, but any new type could of course = worsen the situation. The onus is now on the author of the YANG module to make sure that the = varying levels of ambiguity do not cause a problem. I would be = interested to know whether there is any tool support for this. Gr=C3=BC=C3=9Fe, Carsten From nobody Thu Jul 16 23:57:58 2020 Return-Path: <mvasko@cesnet.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8F8653A12FB for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 23:57:56 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.319 X-Spam-Level: X-Spam-Status: No, score=-1.319 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_NEUTRAL=0.779, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cesnet.cz Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id C9An4iohNNiy for <netmod@ietfa.amsl.com>; Thu, 16 Jul 2020 23:57:53 -0700 (PDT) Received: from kalendar.cesnet.cz (kalendar.cesnet.cz [78.128.211.34]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 599BD3A12E5 for <netmod@ietf.org>; Thu, 16 Jul 2020 23:57:52 -0700 (PDT) Received: by kalendar.cesnet.cz (Postfix, from userid 999) id 949BC60287; Fri, 17 Jul 2020 08:57:50 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cesnet.cz; s=kalendar; t=1594969070; bh=9l62UOQ2H5bfpB3PiFRfaeXhgZTNLdxdMfsTgxJ1raw=; h=In-Reply-To:From:Date:Cc:To:Subject; b=G9hWsD6b4+VdVBEqPMEA7rb9HKc6+NHTEQlVtliDZhpmnuIJPOq6Zmd9wPrtISGfR aOb3Fm8h3Z+SVXt4AOCTiDe88hwevlzlIGjDm1Dq36zG14bQWCKj1cPMzoABYvCrme Xqsw8RcEeJ0vAlFF98tAYjrP6m4dMCfktFnRweaQ= Content-Type: text/plain; charset="utf-8" In-Reply-To: <3A6BD609-92FE-4646-8CDA-6EF514353012@tzi.org> From: =?utf-8?q?Michal_Va=C5=A1ko?= <mvasko@cesnet.cz> X-Forward: 2001:67c:1220:80c:b5:55d3:81d5:8636 Date: Fri, 17 Jul 2020 08:57:50 +0200 Cc: "Ladislav Lhotka" <ladislav.lhotka@nic.cz>, "netmod" <netmod@ietf.org> To: "Carsten Bormann" <cabo@tzi.org> MIME-Version: 1.0 Message-ID: <1da7-5f114c00-115-50d47000@26535751> User-Agent: SOGoMail 2.3.23 Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/jBzPvvDX9ZPw0DTmkNjVJ0Xm2Ck> Subject: Re: [netmod] =?utf-8?b?Pz09P3V0Zi04P3E/ICBKU09OIHRvIFhNTCBsb3NzeSBj?= =?utf-8?q?onversion?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 06:57:57 -0000 Hi Carsten, you had an interesting idea to have tools that could warn about these p= roblems (although that is hardly a proper solution) but it is not reall= y possible because the problem may occur whenever there is union with a= 'string' and 'int8' - 'int32', 'uint8' - 'uint32', or 'boolean', in an= y order. Meaning in lots of, if not most, unions. And I have considered= only XML and JSON, I have not looked into CBOR, which may make it even= worse. Regards, Michal > > > In my view, if it is a bug, it is in the design of the union type i= n YANG - there is no general way to signal the actual union member type= for an instance. > > Right. The ambiguity is normally not a problem for a type choice (wh= ich is just a union of the possible values of all types given), unless = what specific alternative was chosen is intended to carry semantics. > > > I believe it is a good thing that some encodings allow for at least= partial signalling. > > > > Note that similar issues may arise even more often in CBOR, see e.g= . comments for section 5.12 in > > > > https://mailarchive.ietf.org/arch/msg/core/Zrb2yhSSdlouS6PI9qfsA1bs= DB4/ > > In the original YANG (XML-only), everything was represented as a text= string, so the ambiguity was the highest we see now. YANG-JSON and YA= NG-CBOR provide progressively more disambiguating information, so the i= nterpretation (which chosen alternative) may be different from the one = after converting to YANG-XML. > > It gets slightly worse if the non-text type has a conversion to text = that is not fully nailed down; I don=E2=80=99t know if that is a proble= m with the current set of YANG types, but any new type could of course = worsen the situation. > > The onus is now on the author of the YANG module to make sure that th= e varying levels of ambiguity do not cause a problem. I would be inter= ested to know whether there is any tool support for this. > > Gr=C3=BC=C3=9Fe, Carsten > From nobody Fri Jul 17 00:02:28 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 93E973A1345 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 00:02:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1RafWG4LAx1k for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 00:02:25 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A60193A1342 for <netmod@ietf.org>; Fri, 17 Jul 2020 00:02:23 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 405BA68F; Fri, 17 Jul 2020 09:02:22 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id xRuKNR6NKKsl; Fri, 17 Jul 2020 09:02:22 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Fri, 17 Jul 2020 09:02:21 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id D84DC20154; Fri, 17 Jul 2020 09:02:21 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id Q07c0nO3GDr9; Fri, 17 Jul 2020 09:02:21 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 8EDF3200E4; Fri, 17 Jul 2020 09:02:21 +0200 (CEST) Date: Fri, 17 Jul 2020 09:02:20 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Michal =?utf-8?B?VmHFoWtv?= <mvasko@cesnet.cz> Cc: netmod <netmod@ietf.org> Message-ID: <20200717070220.ta3xihxskaudy2vc@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Michal =?utf-8?B?VmHFoWtv?= <mvasko@cesnet.cz>, netmod <netmod@ietf.org> References: <20200716155522.6sec4q7riy2hxqfj@anna.jacobs.jacobs-university.de> <4472-5f114500-29-46c1b700@210905002> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4472-5f114500-29-46c1b700@210905002> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/6V6b74k1-oEYMIGtqexprMyup_Q> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 07:02:27 -0000 It is as it is for now and hence module authors have to be careful with unions. Fixing this issue might require a new version of YANG (depending on how you look at the issue), something that has been talked about (for some years) but so far no serious action has been started to seriously work on a revision of YANG. https://github.com/netmod-wg/yang-next/issues/72 /js On Fri, Jul 17, 2020 at 08:28:35AM +0200, Michal Va=C5=A1ko wrote: > Thanks for the answers and sorry for not searching the mailing list arc= hive first. >=20 > However, I interpret your answers as "we know about it, it is not ideal= , but it will stay the way it is". I was hoping for something better. >=20 > Regards, > Michal >=20 > On Thursday, July 16, 2020 17:55 CEST, Juergen Schoenwaelder <j.schoenw= aelder@jacobs-university.de> wrote:=20 > =20 > > On Thu, Jul 16, 2020 at 04:24:43PM +0200, Michal Va=C5=A1ko wrote: > > >=20 > > > Similar problem occurs also for boolean. So I am just wondering, is= this a known bug/feature, is it intentional? It is true that application= s usually choose one format and stick to it but it is not a requirement a= nd I can see this having possibly quite nasty consequences. > > > > >=20 > > This is known and has already be known when the JSON format was > > standardized. Whether it is a feature or a bug (and if so where > > the bug is) depends on whom you talk to. > >=20 > > /js > >=20 > > --=20 > > Juergen Schoenwaelder Jacobs University Bremen gGmbH > > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | German= y > > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > =20 > =20 >=20 --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 00:11:31 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7AE383A1390 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 00:11:29 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id S6huDi_Xcu9W for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 00:11:27 -0700 (PDT) Received: from mail.nic.cz (mail.nic.cz [IPv6:2001:1488:800:400::400]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C37AB3A138F for <netmod@ietf.org>; Fri, 17 Jul 2020 00:11:25 -0700 (PDT) Received: from [IPv6:2a01:5e0:29:ffff:fc73:fa64:57e6:2115] (unknown [IPv6:2a01:5e0:29:ffff:fc73:fa64:57e6:2115]) by mail.nic.cz (Postfix) with ESMTPSA id D4EB4140967; Fri, 17 Jul 2020 09:11:22 +0200 (CEST) To: =?UTF-8?Q?Michal_Va=c5=a1ko?= <mvasko@cesnet.cz>, Carsten Bormann <cabo@tzi.org> Cc: netmod <netmod@ietf.org> References: <1da7-5f114c00-115-50d47000@26535751> From: Ladislav Lhotka <ladislav.lhotka@nic.cz> Autocrypt: addr=ladislav.lhotka@nic.cz; keydata= mQINBFhU5JIBEACmGIeLglGrwf6JBcNrcLoO19yAdKcH7V132STGHlhEAgmdzwclgVE7GN7y 5+1ySQ8jhDM80QSQ+XaXsSbHTQl23vcVvSfKNdme11kGEQ7kO/bTbUYxpRRa5dqDjLeEHhol WiNk6nUHqEAExbpEoITiO216Lwxh8gD2+39ZH/UVJgMHoZD1VmrxHSnp9b1SpmDWkbILRc93 u6lADieU67SG5vWqGaBgp8JQAVI3F+ZhcLXHQiQLPliePT3YKfvubWg9NIprts9fv2JAUywv NN4R5gg1oFegOXouzlBySiUNXndzJsj1JAcI4psGA9iGYBhgdILXg+2Kwkok9rrx1gWsqtmb lcFDiJRx52FUohHz9obZ9gkOd4NoV4jatjnu+9HKA8V2T5JUgTCgOWeI2yHoSNFJvKO0ygIg /5ccrB9iRdmJIiA2cAmu5MaHnKxAcQ7eaXqQN+JRcpFUH2ooFHKm0750U3aAZY3an5+a5Njh XddaDDX/7f0a68jaWuoKFn7Mqa2HhNnLJs2Nsq9quLdWEUh59wOgTrp2TZnkAFtG1MGa2dNz M3YX22+jwbnfv/U72fEu33juXfMLWfwzJEzQG47dnpmsArt8fM+atOvTSvkLQDNJkOSVZT8m NR5/OeIYfxhe3FUSrljRQBXN8ioVoiMtcCR8EKXCwCnja20vdQARAQABtChMYWRpc2xhdiBM aG90a2EgPGxhZGlzbGF2Lmxob3RrYUBuaWMuY3o+iQJUBBMBCgA+FiEEtr1TxpCtJF8Aid5X 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Content-Transfer-Encoding: 8bit X-Virus-Scanned: clamav-milter 0.102.2 at mail X-Virus-Status: Clean Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/Nf4ZQYA2KBzwPSWBAO2YR7r5KK4> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 07:11:29 -0000 On 17. 07. 20 8:57, Michal VaÅ¡ko wrote: > Hi Carsten, > you had an interesting idea to have tools that could warn about these problems (although that is hardly a proper solution) but it is not really possible because the problem may occur whenever there is union with a 'string' and 'int8' - 'int32', 'uint8' - 'uint32', or 'boolean', in any order. Meaning in lots of, if not most, unions. And I have considered only XML and JSON, I have not looked into CBOR, which may make it even worse. What you can do is to define a metadata annotation specifying the union member for a particular instance, and implement it in your tools. This would be a solution independent of instance representation. Lada > > Regards, > Michal > >> >>> In my view, if it is a bug, it is in the design of the union type in YANG - there is no general way to signal the actual union member type for an instance. >> >> Right. The ambiguity is normally not a problem for a type choice (which is just a union of the possible values of all types given), unless what specific alternative was chosen is intended to carry semantics. >> >>> I believe it is a good thing that some encodings allow for at least partial signalling. >>> >>> Note that similar issues may arise even more often in CBOR, see e.g. comments for section 5.12 in >>> >>> https://mailarchive.ietf.org/arch/msg/core/Zrb2yhSSdlouS6PI9qfsA1bsDB4/ >> >> In the original YANG (XML-only), everything was represented as a text string, so the ambiguity was the highest we see now. YANG-JSON and YANG-CBOR provide progressively more disambiguating information, so the interpretation (which chosen alternative) may be different from the one after converting to YANG-XML. >> >> It gets slightly worse if the non-text type has a conversion to text that is not fully nailed down; I don’t know if that is a problem with the current set of YANG types, but any new type could of course worsen the situation. >> >> The onus is now on the author of the YANG module to make sure that the varying levels of ambiguity do not cause a problem. I would be interested to know whether there is any tool support for this. >> >> Grüße, Carsten >> > > > -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Fri Jul 17 00:33:20 2020 Return-Path: <cabo@tzi.org> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1B2EB3A1406 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 00:33:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.919 X-Spam-Level: X-Spam-Status: No, score=-1.919 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iPTHY5IVp3w4 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 00:33:15 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7BC5A3A1405 for <netmod@ietf.org>; Fri, 17 Jul 2020 00:33:15 -0700 (PDT) Received: from client-0073.vpn.uni-bremen.de (client-0073.vpn.uni-bremen.de [134.102.107.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4B7MY43CFfzyhZ; Fri, 17 Jul 2020 09:03:52 +0200 (CEST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) From: Carsten Bormann <cabo@tzi.org> In-Reply-To: <1da7-5f114c00-115-50d47000@26535751> Date: Fri, 17 Jul 2020 09:03:51 +0200 Cc: Ladislav Lhotka <ladislav.lhotka@nic.cz>, netmod <netmod@ietf.org> X-Mao-Original-Outgoing-Id: 616662231.676726-3d1b65735cfd1ee26b3e27f0df53664a Content-Transfer-Encoding: quoted-printable Message-Id: <FC879C58-9566-44C5-AADA-E294F04268EC@tzi.org> References: <1da7-5f114c00-115-50d47000@26535751> To: =?utf-8?Q?Michal_Va=C5=A1ko?= <mvasko@cesnet.cz> X-Mailer: Apple Mail (2.3608.80.23.2.2) Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/dXqEylpfnGJt-mydIFQrySI7PuI> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 07:33:18 -0000 On 2020-07-17, at 08:57, Michal Va=C5=A1ko <mvasko@cesnet.cz> wrote: >=20 > I have not looked into CBOR Please do; this is in 2nd WGLC right now. 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: lightside-instruments.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5911f4a7-aeb3-4459-3d4b-08d82a38ae52 X-MS-Exchange-CrossTenant-AuthSource: AM0PR08MB4084.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jul 2020 10:03:40.5784 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: c0326317-f373-4461-a96f-7946e0abb603 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: EDT+fqwAMEBTeecniWmdopwTL4XqhqGcJ0jn7lkRO4q0f/GUZbqtY9T/7xAj7lEEKUjdkPtDzwPdO0N1tvJ9nhk8QKderfNgz3WhuZc7syTvenLlxcl4/geudHStC0qK X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM4PR0802MB2354 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/vKKIqnU9r4cy_GUy4d4ACZFW53k> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 10:03:45 -0000 On 17/07/2020 09.11, Ladislav Lhotka wrote: > > On 17. 07. 20 8:57, Michal VaÅ¡ko wrote: >> Hi Carsten, >> you had an interesting idea to have tools that could warn about these problems (although that is hardly a proper solution) but it is not really possible because the problem may occur whenever there is union with a 'string' and 'int8' - 'int32', 'uint8' - 'uint32', or 'boolean', in any order. Meaning in lots of, if not most, unions. And I have considered only XML and JSON, I have not looked into CBOR, which may make it even worse. > What you can do is to define a metadata annotation specifying the union > member for a particular instance, and implement it in your tools. This > would be a solution independent of instance representation. IMO this does not solve the problem that XML can not encode all values of the value space in certain awkward unions (JSON and CBOR can't do that either only the constraints are alternative supersets). If the XML representation rules in the YANG definition were provided as an inherent constraint to the value space of the union type there was not going to be ambiguity and there would have been a bug in any encoding that does not enforce this exact constraint. This is not spelled out in RFC7950 but is a good rule of thumb to avoid unions that have value space that can not be represented in XML. The alternative is to rework the XML representation to not have such limitation in a next version of YANG (e.g. adding XML attributes with the active member type index and name). That said I think there is one underestimated feature of the union type being entirely mapped to a string also for integer types as it is in the current XML encoding definition. Without requirement for resolving which member type the data actually is representing but just validating there is at least one match allows implementations to encode the data without resolving a possibly complex logical relationship. For example a union of interface index and leafref to interface name (for whatever reason someone would design such a union). You really do not need to know if there is an interface named "2" in the candidate configuration when you send <edit-config> in XML. With JSON you have to resolve this. /Vladimir > > Lada > >> Regards, >> Michal >> >>>> In my view, if it is a bug, it is in the design of the union type in YANG - there is no general way to signal the actual union member type for an instance. >>> Right. The ambiguity is normally not a problem for a type choice (which is just a union of the possible values of all types given), unless what specific alternative was chosen is intended to carry semantics. >>> >>>> I believe it is a good thing that some encodings allow for at least partial signalling. >>>> >>>> Note that similar issues may arise even more often in CBOR, see e.g. comments for section 5.12 in >>>> >>>> https://mailarchive.ietf.org/arch/msg/core/Zrb2yhSSdlouS6PI9qfsA1bsDB4/ >>> In the original YANG (XML-only), everything was represented as a text string, so the ambiguity was the highest we see now. YANG-JSON and YANG-CBOR provide progressively more disambiguating information, so the interpretation (which chosen alternative) may be different from the one after converting to YANG-XML. >>> >>> It gets slightly worse if the non-text type has a conversion to text that is not fully nailed down; I don’t know if that is a problem with the current set of YANG types, but any new type could of course worsen the situation. >>> >>> The onus is now on the author of the YANG module to make sure that the varying levels of ambiguity do not cause a problem. I would be interested to know whether there is any tool support for this. >>> >>> Grüße, Carsten >>> >> >> >> From nobody Fri Jul 17 05:12:17 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7FD203A0AF3 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 05:12:15 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.918 X-Spam-Level: X-Spam-Status: No, score=-1.918 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id AJvlHJ1mxkMJ for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 05:12:13 -0700 (PDT) Received: from mail.nic.cz 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yrb5S21omN7fLDvRtdUBUOCFJLxZunTDLlkig/QuT+QlW7CG59Ussuu37HxgpiICCeeBDOaF bkZku43Qwt5cTtdJ8BkzYgvvoC7NegBn9N+U+Etrrvs09Slo11wlQx1F3sk9T9rjz1QrPM8j blxEgepm+W75VJ22z1qY/JnNElygR7KeTaeOY+iCn4wgDeC964AHMuGzG7aUg8P3zjgClL1T pFJwQUml880L6C+VuWPxuFIS18BPCYtLGlfQc5jp4dGN87ftenT13W70XiGXdrmIAFBF6Jjk 3huuDoRvdbPavAGdxu5QGdHeH0/GjfTxq7lRwgamoY0lw1LIB6LOzXo= Organization: CZ.NIC Message-ID: <b86abf02-137c-3806-798b-45d8961f66e7@nic.cz> Date: Fri, 17 Jul 2020 14:12:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <ec0176fd-7b37-f356-825a-c90e86f8f1c3@lightside-instruments.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Virus-Scanned: clamav-milter 0.102.2 at mail X-Virus-Status: Clean Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/QVdC3bd4hm7oyKv4TWkilimFivY> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 12:12:16 -0000 On 17. 07. 20 12:03, Vladimir Vassilev wrote: > On 17/07/2020 09.11, Ladislav Lhotka wrote: > >> >> On 17. 07. 20 8:57, Michal VaÅ¡ko wrote: >>> Hi Carsten, >>> you had an interesting idea to have tools that could warn about these >>> problems (although that is hardly a proper solution) but it is not >>> really possible because the problem may occur whenever there is union >>> with a 'string' and 'int8' - 'int32', 'uint8' - 'uint32', or >>> 'boolean', in any order. Meaning in lots of, if not most, unions. And >>> I have considered only XML and JSON, I have not looked into CBOR, >>> which may make it even worse. >> What you can do is to define a metadata annotation specifying the union >> member for a particular instance, and implement it in your tools. This >> would be a solution independent of instance representation. > > > IMO this does not solve the problem that XML can not encode all values > of the value space in certain awkward unions (JSON and CBOR can't do > that either only the constraints are alternative supersets). Why not? In XML, everything is encoded as text, and the annotation tells how to parse it and interpret. So either the text representation conforms to that precise type or otherwise it is an error. There is no ambiguity. Lada > > If the XML representation rules in the YANG definition were provided as > an inherent constraint to the value space of the union type there was > not going to be ambiguity and there would have been a bug in any > encoding that does not enforce this exact constraint. This is not > spelled out in RFC7950 but is a good rule of thumb to avoid unions that > have value space that can not be represented in XML. > > The alternative is to rework the XML representation to not have such > limitation in a next version of YANG (e.g. adding XML attributes with > the active member type index and name). > > That said I think there is one underestimated feature of the union type > being entirely mapped to a string also for integer types as it is in the > current XML encoding definition. Without requirement for resolving which > member type the data actually is representing but just validating there > is at least one match allows implementations to encode the data without > resolving a possibly complex logical relationship. For example a union > of interface index and leafref to interface name (for whatever reason > someone would design such a union). You really do not need to know if > there is an interface named "2" in the candidate configuration when you > send <edit-config> in XML. With JSON you have to resolve this. > > /Vladimir > > >> >> Lada >> >>> Regards, >>> Michal >>>   >>>>> In my view, if it is a bug, it is in the design of the union type >>>>> in YANG - there is no general way to signal the actual union member >>>>> type for an instance. >>>> Right.  The ambiguity is normally not a problem for a type choice >>>> (which is just a union of the possible values of all types given), >>>> unless what specific alternative was chosen is intended to carry >>>> semantics. >>>> >>>>> I believe it is a good thing that some encodings allow for at least >>>>> partial signalling. >>>>> >>>>> Note that similar issues may arise even more often in CBOR, see >>>>> e.g. comments for section 5.12 in >>>>> >>>>> https://mailarchive.ietf.org/arch/msg/core/Zrb2yhSSdlouS6PI9qfsA1bsDB4/ >>>>> >>>> In the original YANG (XML-only), everything was represented as a >>>> text string, so the ambiguity was the highest we see now.  YANG-JSON >>>> and YANG-CBOR provide progressively more disambiguating information, >>>> so the interpretation (which chosen alternative) may be different >>>> from the one after converting to YANG-XML. >>>> >>>> It gets slightly worse if the non-text type has a conversion to text >>>> that is not fully nailed down; I don’t know if that is a problem >>>> with the current set of YANG types, but any new type could of course >>>> worsen the situation. >>>> >>>> The onus is now on the author of the YANG module to make sure that >>>> the varying levels of ambiguity do not cause a problem.  I would be >>>> interested to know whether there is any tool support for this. >>>> >>>> Grüße, Carsten >>>> >>>     -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Fri Jul 17 05:42:38 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0F5EE3A0B31 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 05:42:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id g6gZ2e3H7kC1 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 05:42:34 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E10583A0B30 for <netmod@ietf.org>; Fri, 17 Jul 2020 05:42:32 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 38D5D87F; Fri, 17 Jul 2020 14:42:31 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id 6NAXSR5R4IQ9; Fri, 17 Jul 2020 14:42:30 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Fri, 17 Jul 2020 14:42:30 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id CAC3120154; Fri, 17 Jul 2020 14:42:30 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id WDr9UdPMHsz4; Fri, 17 Jul 2020 14:42:30 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 75F01200E4; Fri, 17 Jul 2020 14:42:30 +0200 (CEST) Date: Fri, 17 Jul 2020 14:42:28 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Ladislav Lhotka <ladislav.lhotka@nic.cz> Cc: Vladimir Vassilev <vladimir@lightside-instruments.com>, "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200717124228.dlds6cagrwjdzcrh@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Ladislav Lhotka <ladislav.lhotka@nic.cz>, Vladimir Vassilev <vladimir@lightside-instruments.com>, "netmod@ietf.org" <netmod@ietf.org> References: <1da7-5f114c00-115-50d47000@26535751> <2a3fe9be-9319-2f19-e18d-be723379953f@nic.cz> <ec0176fd-7b37-f356-825a-c90e86f8f1c3@lightside-instruments.com> <b86abf02-137c-3806-798b-45d8961f66e7@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <b86abf02-137c-3806-798b-45d8961f66e7@nic.cz> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/yjVSKnM8yCtCGwcpF36wWunF22k> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 12:42:36 -0000 On Fri, Jul 17, 2020 at 02:12:06PM +0200, Ladislav Lhotka wrote: >=20 >=20 > On 17. 07. 20 12:03, Vladimir Vassilev wrote: > > On 17/07/2020 09.11, Ladislav Lhotka wrote: > >=20 > >> > >> On 17. 07. 20 8:57, Michal Va=C5=A1ko wrote: > >>> Hi Carsten, > >>> you had an interesting idea to have tools that could warn about the= se > >>> problems (although that is hardly a proper solution) but it is not > >>> really possible because the problem may occur whenever there is uni= on > >>> with a 'string' and 'int8' - 'int32', 'uint8' - 'uint32', or > >>> 'boolean', in any order. Meaning in lots of, if not most, unions. A= nd > >>> I have considered only XML and JSON, I have not looked into CBOR, > >>> which may make it even worse. > >> What you can do is to define a metadata annotation specifying the un= ion > >> member for a particular instance, and implement it in your tools. Th= is > >> would be a solution independent of instance representation. > >=20 > >=20 > > IMO this does not solve the problem that XML can not encode all value= s > > of the value space in certain awkward unions (JSON and CBOR can't do > > that either only the constraints are alternative supersets). >=20 > Why not? In XML, everything is encoded as text, and the annotation tell= s > how to parse it and interpret. So either the text representation > conforms to that precise type or otherwise it is an error. There is no > ambiguity. > An annotation that is only understood by some tools and not by others is creating a new problem since different tools now start to interpret data in different ways, i.e., the annotation harms interoperability. /js --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 05:47:25 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A1FEE3A0B35; Fri, 17 Jul 2020 05:47:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id EaUkpMr_6Gm4; Fri, 17 Jul 2020 05:47:22 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 163203A0B34; Fri, 17 Jul 2020 05:47:22 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 69E4B7D; Fri, 17 Jul 2020 14:47:20 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id 1iTsO5dQMW36; Fri, 17 Jul 2020 14:47:20 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Fri, 17 Jul 2020 14:47:20 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 169D720154; Fri, 17 Jul 2020 14:47:20 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id mc6vYTfXgeqe; Fri, 17 Jul 2020 14:47:19 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id B379A200E4; Fri, 17 Jul 2020 14:47:19 +0200 (CEST) Date: Fri, 17 Jul 2020 14:47:18 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Kent Watsen <kent+ietf@watsen.net> Cc: "netmod@ietf.org" <netmod@ietf.org>, "netmod-chairs@ietf.org" <netmod-chairs@ietf.org> Message-ID: <20200717124718.2uw4qhc2afx5mjav@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Kent Watsen <kent+ietf@watsen.net>, "netmod@ietf.org" <netmod@ietf.org>, "netmod-chairs@ietf.org" <netmod-chairs@ietf.org> References: <010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@email.amazonses.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@email.amazonses.com> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/_kXvtxHabnffMje25cPq63RYN7M> Subject: Re: [netmod] Preliminary agenda X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 12:47:24 -0000 On Tue, Jul 14, 2020 at 08:55:58PM +0000, Kent Watsen wrote: > > The following WG documents did not have presentations requests. Authors, please either request a presentation slot now or send a status to the list before the meeting: > > draft-ietf-netmod-geo-location-04 > draft-ietf-netmod-rfc6991-bis-04 > I will send separate emails for the open issues related to RFC 6991. I do not mind having a discussion slot, I do not need presentation time. (I had to nitpick on this terminology thing but the fact that people in the IETF now commonly talk about "presentation time" probably is not a good thing.) /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 06:50:13 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 71E333A0965 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 06:50:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.919 X-Spam-Level: X-Spam-Status: No, score=-1.919 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 02fBp7Q69y5R for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 06:50:10 -0700 (PDT) Received: from mail.nic.cz (mail.nic.cz [217.31.204.67]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D54AD3A0963 for <netmod@ietf.org>; Fri, 17 Jul 2020 06:50:08 -0700 (PDT) Received: from [IPv6:2a01:5e0:29:ffff:fc73:fa64:57e6:2115] (unknown [IPv6:2a01:5e0:29:ffff:fc73:fa64:57e6:2115]) by mail.nic.cz (Postfix) with ESMTPSA id 21F08140984; Fri, 17 Jul 2020 15:50:06 +0200 (CEST) To: Vladimir Vassilev <vladimir@lightside-instruments.com>, "netmod@ietf.org" <netmod@ietf.org> References: <1da7-5f114c00-115-50d47000@26535751> <2a3fe9be-9319-2f19-e18d-be723379953f@nic.cz> <ec0176fd-7b37-f356-825a-c90e86f8f1c3@lightside-instruments.com> <b86abf02-137c-3806-798b-45d8961f66e7@nic.cz> <20200717124228.dlds6cagrwjdzcrh@anna.jacobs.jacobs-university.de> From: Ladislav Lhotka <ladislav.lhotka@nic.cz> Autocrypt: addr=ladislav.lhotka@nic.cz; keydata= mQINBFhU5JIBEACmGIeLglGrwf6JBcNrcLoO19yAdKcH7V132STGHlhEAgmdzwclgVE7GN7y 5+1ySQ8jhDM80QSQ+XaXsSbHTQl23vcVvSfKNdme11kGEQ7kO/bTbUYxpRRa5dqDjLeEHhol WiNk6nUHqEAExbpEoITiO216Lwxh8gD2+39ZH/UVJgMHoZD1VmrxHSnp9b1SpmDWkbILRc93 u6lADieU67SG5vWqGaBgp8JQAVI3F+ZhcLXHQiQLPliePT3YKfvubWg9NIprts9fv2JAUywv NN4R5gg1oFegOXouzlBySiUNXndzJsj1JAcI4psGA9iGYBhgdILXg+2Kwkok9rrx1gWsqtmb lcFDiJRx52FUohHz9obZ9gkOd4NoV4jatjnu+9HKA8V2T5JUgTCgOWeI2yHoSNFJvKO0ygIg /5ccrB9iRdmJIiA2cAmu5MaHnKxAcQ7eaXqQN+JRcpFUH2ooFHKm0750U3aAZY3an5+a5Njh XddaDDX/7f0a68jaWuoKFn7Mqa2HhNnLJs2Nsq9quLdWEUh59wOgTrp2TZnkAFtG1MGa2dNz M3YX22+jwbnfv/U72fEu33juXfMLWfwzJEzQG47dnpmsArt8fM+atOvTSvkLQDNJkOSVZT8m NR5/OeIYfxhe3FUSrljRQBXN8ioVoiMtcCR8EKXCwCnja20vdQARAQABtChMYWRpc2xhdiBM aG90a2EgPGxhZGlzbGF2Lmxob3RrYUBuaWMuY3o+iQJUBBMBCgA+FiEEtr1TxpCtJF8Aid5X 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Content-Language: en-US Content-Transfer-Encoding: 8bit X-Virus-Scanned: clamav-milter 0.102.2 at mail X-Virus-Status: Clean Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/ahkcQ3pn24qBotRl6afhQQAze5I> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 13:50:12 -0000 On 17. 07. 20 14:42, Juergen Schoenwaelder wrote: > On Fri, Jul 17, 2020 at 02:12:06PM +0200, Ladislav Lhotka wrote: >> >> >> On 17. 07. 20 12:03, Vladimir Vassilev wrote: >>> On 17/07/2020 09.11, Ladislav Lhotka wrote: >>> >>>> >>>> On 17. 07. 20 8:57, Michal VaÅ¡ko wrote: >>>>> Hi Carsten, >>>>> you had an interesting idea to have tools that could warn about these >>>>> problems (although that is hardly a proper solution) but it is not >>>>> really possible because the problem may occur whenever there is union >>>>> with a 'string' and 'int8' - 'int32', 'uint8' - 'uint32', or >>>>> 'boolean', in any order. Meaning in lots of, if not most, unions. And >>>>> I have considered only XML and JSON, I have not looked into CBOR, >>>>> which may make it even worse. >>>> What you can do is to define a metadata annotation specifying the union >>>> member for a particular instance, and implement it in your tools. This >>>> would be a solution independent of instance representation. >>> >>> >>> IMO this does not solve the problem that XML can not encode all values >>> of the value space in certain awkward unions (JSON and CBOR can't do >>> that either only the constraints are alternative supersets). >> >> Why not? In XML, everything is encoded as text, and the annotation tells >> how to parse it and interpret. So either the text representation >> conforms to that precise type or otherwise it is an error. There is no >> ambiguity. >> > > An annotation that is only understood by some tools and not by others > is creating a new problem since different tools now start to interpret > data in different ways, i.e., the annotation harms interoperability. I agree, it should eventually be standardized, if it turns out to be a good idea. But to find out, experience with running code always helps. Lada > > /js > -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Fri Jul 17 09:09:59 2020 Return-Path: <cabo@tzi.org> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 345963A0829 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 09:09:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.918 X-Spam-Level: X-Spam-Status: No, score=-1.918 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_BLOCKED=0.001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id oG2jyl9IlFp1 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 09:09:56 -0700 (PDT) Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E62AE3A0807 for <netmod@ietf.org>; Fri, 17 Jul 2020 09:09:55 -0700 (PDT) Received: from [192.168.217.116] (p5089ae91.dip0.t-ipconnect.de [80.137.174.145]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4B7bg53GLYzyW7; Fri, 17 Jul 2020 18:09:53 +0200 (CEST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) From: Carsten Bormann <cabo@tzi.org> In-Reply-To: <ec0176fd-7b37-f356-825a-c90e86f8f1c3@lightside-instruments.com> Date: Fri, 17 Jul 2020 18:09:52 +0200 Cc: Ladislav Lhotka <ladislav.lhotka@nic.cz>, "netmod@ietf.org" <netmod@ietf.org> X-Mao-Original-Outgoing-Id: 616694992.782456-e415e8c2063a59b5910d0278443b416d Content-Transfer-Encoding: quoted-printable Message-Id: <7DBC7BE2-0A54-4F2F-BD89-93BED7CB60EF@tzi.org> References: <1da7-5f114c00-115-50d47000@26535751> <2a3fe9be-9319-2f19-e18d-be723379953f@nic.cz> <ec0176fd-7b37-f356-825a-c90e86f8f1c3@lightside-instruments.com> To: Vladimir Vassilev <vladimir@lightside-instruments.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/o9vc9hwttTI3S1oU5hpMK8XrE1I> Subject: Re: [netmod] JSON to XML lossy conversion X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 16:09:58 -0000 On 2020-07-17, at 12:03, Vladimir Vassilev = <vladimir@lightside-instruments.com> wrote: >=20 > IMO this does not solve the problem that XML can not encode all values = of the value space in certain awkward unions (JSON and CBOR can't do = that either only the constraints are alternative supersets). The reason YANG-CBOR cannot do that is that the union can evolve, and = might gain or lose some branches in this evolution. (Otherwise we would = have done something crude like numbering the branches.) The term =E2=80=9Cunion=E2=80=9D of a set of types means that all values = in all these types can be used. It does not mean that any actual value identifies which of the branches = it is in. Apparently, this is not what YANG means with =E2=80=9Cunion=E2=80=9D. = ASN.1 has =E2=80=9Cchoice=E2=80=9D, but leaves the onus of all the = branches looking different (usually using ASN.1 =E2=80=9Ctags=E2=80=9D) = to the specification writer. The text in 9.12 of 7950 seems to say there is some sequential matching = that does identify the branch. It nicely ties this to the specifics of = an XML encoding, and 6.10 of 7951 tells us it=E2=80=99s different in = JSON. =20 YANG-CBOR goes the extra mile here and defines special encodings that = are only used within unions (6.6, 6.7, 6.12), which are meant to be a = bit closer to the text-based encodings, so the outcome of all the above = is closer to XML/JSON than it would be with the more optimized encoding = we use otherwise. This is a rather ugly rucksack, but we didn=E2=80=99t = find a better way to keep compatibility with random YANG specs. If you = redesign unions (e.g., turning them into explicit choices), please do = this in a way that allows YANG-CBOR to return to its more optimized = ways. Gr=C3=BC=C3=9Fe, Carsten From nobody Fri Jul 17 12:13:26 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 746DD3A077A for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:13:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QvbzfCzaW8RR for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:13:24 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id CB17D3A0766 for <netmod@ietf.org>; Fri, 17 Jul 2020 12:13:22 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id F3F0C678 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:13:20 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id usXZGmErPU8H for <netmod@ietf.org>; Fri, 17 Jul 2020 21:13:20 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS for <netmod@ietf.org>; Fri, 17 Jul 2020 21:13:20 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 9C49F20154 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:13:20 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id hU4k6rpXy3fQ; Fri, 17 Jul 2020 21:13:20 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 5C23D200E4; Fri, 17 Jul 2020 21:13:20 +0200 (CEST) Date: Fri, 17 Jul 2020 21:13:20 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200717191320.4ztjtk5yfhibuenr@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/u_vcCI1We3ga525A98XUgS6lxc4> Subject: [netmod] rfc6991bis: yang:date X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 19:13:25 -0000 - XML schema seems to use a different canonical format, we need to take a closer look how to define the canonical format given that a date really identifies a 24 hour interval and what XSD means with 'interval midpoint'. - Shall we make the timezone offset optional? The timezone offset is optional in XML schema. There is CBOR work in progress to define a date without a timezone. The downside of optional timezones is that two systems in different timezones may assign different dates to the same event. On the other hand, there may be use cases where the timezone is implicit. - Proposal: Make the timezone optional (adding text describing the implications, i.e., comparisons may be surprising). Align as much as possible with the XML schema definition concerning the canonical format. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 12:14:15 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D21E13A077A for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:14:14 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TT7VubR5WYMX for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:14:13 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 894393A0766 for <netmod@ietf.org>; Fri, 17 Jul 2020 12:14:13 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 5072B68F for <netmod@ietf.org>; Fri, 17 Jul 2020 21:14:12 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id UlHn2La5RU0I for <netmod@ietf.org>; Fri, 17 Jul 2020 21:14:12 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS for <netmod@ietf.org>; Fri, 17 Jul 2020 21:14:12 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 30AE720154 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:14:12 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id bO5e79T2Yauk; Fri, 17 Jul 2020 21:14:11 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id E7C54200E4; Fri, 17 Jul 2020 21:14:11 +0200 (CEST) Date: Fri, 17 Jul 2020 21:14:11 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200717191411.ou3sdvm2kynkcxc2@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/R8zImbH7yohZc5uxO35xf8bFxCs> Subject: [netmod] rfc6991bis: yang:xpath1.0 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 19:14:15 -0000 - How do we deal with xpath expressions in other encodings such as JSON. Do we assume an xpath context populated with module names such that module names can be used to qualify path expressions. This may need discussion and/or a new definition. - This interacts with the definition of node-instance-identifier. - Options: (i) Leave this definition as it is. (ii) Detail how this type work with encodings that use module names instead of prefixes to qualify names. - Proposal: ? /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 12:14:48 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2D9663A077A for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:14:47 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yPXw-Hdb9yFM for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:14:46 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D89B63A0766 for <netmod@ietf.org>; Fri, 17 Jul 2020 12:14:45 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 9E526678 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:14:44 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id cMvx03595GXD for <netmod@ietf.org>; Fri, 17 Jul 2020 21:14:44 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS for <netmod@ietf.org>; Fri, 17 Jul 2020 21:14:44 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 7D84A20154 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:14:44 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id oMNyHa6cEHP1; Fri, 17 Jul 2020 21:14:44 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 411D0200E4; Fri, 17 Jul 2020 21:14:44 +0200 (CEST) Date: Fri, 17 Jul 2020 21:14:43 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200717191443.7mmlq3qnwxjwyijx@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/mozIb7HJldmuFeTW6SafgqAWg1w> Subject: [netmod] rfc6991bis: yang:node-instance-identifier X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 19:14:47 -0000 - This is taken from RFC 8341 and the idea is that this definition is useful without requiring a dependency on NACM. - What does the second bullet actually do? Do we keep this? ("The set of variable bindings contains one variable, 'USER', which contains the name of the user of the current session.") - This interacts with the definition of xpath1.0 concerning the context and the use of module names as prefixes. - Proposal: ? /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 12:16:14 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 718EC3A0788 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:16:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id V3nStmPRezbb for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:16:11 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 143D43A0766 for <netmod@ietf.org>; Fri, 17 Jul 2020 12:16:10 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 5334F68F for <netmod@ietf.org>; Fri, 17 Jul 2020 21:16:09 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id c-mKXvP0huJk for <netmod@ietf.org>; Fri, 17 Jul 2020 21:16:09 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS for <netmod@ietf.org>; Fri, 17 Jul 2020 21:16:09 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 30B8620154 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:16:09 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id c7zZjGaLpTx1; Fri, 17 Jul 2020 21:16:08 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id DE3BB200E4; Fri, 17 Jul 2020 21:16:08 +0200 (CEST) Date: Fri, 17 Jul 2020 21:16:08 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200717191608.eigrndstq3fiaprv@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/qdFWrFt3M1MiAsx4TkIxnBailJM> Subject: [netmod] rfc6991bis: yang:longitude, yang:latitude, yang:postal-code, yang:country-code X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 19:16:12 -0000 - It was suggested to add types for longitude, latitude, postal code, country-code. Do we go there or do we leave these for other modules to define? It seems such definitions should go into draft-ietf-netmod-geo-location. - Geo location is covered by draft-ietf-netmod-geo-location (so do nothing). - For country codes, there is ISO 3166, which defines two-letter, three-letter, and numeric country codes. I assume people wanted two-letter codes (as used in the DNS), i.e. they want DE and not DEU. But note that it is GB and not UK, i.e., what we commonly use in the DNS may not be exactly ISO 3166. (The devil is always in the details.) - For postal codes, it is unclear what the requirements are or what a proper definition for postal codes is. It is not entirely clear what the authoritative definition of the format of postal codes is, perhaps the Universal Postal Union. - Options: (i) do nothing or (ii) add a country code definition only or (iii) add both a country code definition and a postal code definition (which might be to some extend vague) - Proposal: do nothing -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 12:16:44 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 467FC3A0788 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:16:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id AwLA_TJn4eua for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:16:40 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7B9033A0766 for <netmod@ietf.org>; Fri, 17 Jul 2020 12:16:40 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 10D07678 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:16:39 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id HfIMvcrHtak6 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:16:39 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS for <netmod@ietf.org>; Fri, 17 Jul 2020 21:16:38 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id E477C20154 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:16:38 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id GA0lIgLyrLpz; Fri, 17 Jul 2020 21:16:38 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id A70C2200E4; Fri, 17 Jul 2020 21:16:38 +0200 (CEST) Date: Fri, 17 Jul 2020 21:16:38 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200717191638.6wl3dqktcrnghuyl@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/cA-PdR3yCJlUPijWuvm59mHcSU0> Subject: [netmod] rfc6991bis: yang:percentage X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 19:16:42 -0000 - Percentages are frequently used in YANG models but usages differ a lot in precision and range. It is not clear what the proper generic definition of a percentage type would be and whether it is worth having it. RFC 7950 example: typedef percent { type uint8 { range "0 .. 100"; } } RFC 8294: typedef percentage { type uint8 { range "0..100"; } } I-Ds: typedef percentage { type decimal64 { fraction-digits 5; } } typedef percentile { type decimal64 { fraction-digits 2; } } The yang catalogue seems to be down. :-( - Proposal: do not add a percentage type since it is trivial to define a context specific percentage type that matches range and precision requirements (and there is already a definition in RFC 8294 for those who need exactly that definition). -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 12:17:22 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3A94B3A0797 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:17:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cRKwPVsS3aF2 for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:17:20 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DB2E33A078F for <netmod@ietf.org>; Fri, 17 Jul 2020 12:17:19 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 2957B678 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:17:18 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id ANHgOaZnk9PU for <netmod@ietf.org>; Fri, 17 Jul 2020 21:17:18 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS for <netmod@ietf.org>; Fri, 17 Jul 2020 21:17:18 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 075D820154 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:17:18 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id Sx_gWWPWHS6n; Fri, 17 Jul 2020 21:17:17 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id BD63D200E4; Fri, 17 Jul 2020 21:17:17 +0200 (CEST) Date: Fri, 17 Jul 2020 21:17:17 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/2KW5vcl0aAEDbojjxv0M8rHTt0s> Subject: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 19:17:21 -0000 - Lada suggested to replace the inet:domain-name usage in the union with a new host-name definition that follows the NR-LDH definition in RFC 5890. - Unclear which problem is fixed and how this works from a backwards compatibility perspective. - See the thread '6991bis: host' in your private list archive (I can't find it in the IETF archive) - I can't tell for sure that Lada's proposal is (i) correct and (ii) not breaking anything - Proposal: ? -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 12:17:45 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3FCCE3A0797 for <netmod@ietfa.amsl.com>; 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Fri, 17 Jul 2020 21:17:41 +0200 (CEST) Date: Fri, 17 Jul 2020 21:17:41 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200717191741.kfgkoc5scss4ch6o@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/dDOX1MSZ0fQHDNxrxMzFrCFJyRU> Subject: [netmod] rfc6991bis: inet:email-address X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 19:17:44 -0000 - Current definition follows addr-spec (idea: follow mailto: url scheme format). The current pattern does not take care of quoted-string, obs-local-part, domain-literal, obs-domain. - Proposal: Add the typedef cover addr-spec but this work would benefit from some help to get the pattern right. -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 12:18:28 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6C4C13A079E for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:18:26 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TUHY1w7y2fsm for <netmod@ietfa.amsl.com>; Fri, 17 Jul 2020 12:18:25 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DCA533A0797 for <netmod@ietf.org>; Fri, 17 Jul 2020 12:18:24 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 5731068F for <netmod@ietf.org>; Fri, 17 Jul 2020 21:18:04 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id atpFUDsXEQ7s for <netmod@ietf.org>; Fri, 17 Jul 2020 21:18:04 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS for <netmod@ietf.org>; Fri, 17 Jul 2020 21:18:04 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 346A420156 for <netmod@ietf.org>; Fri, 17 Jul 2020 21:18:04 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id 6AMJhGsECbHL; Fri, 17 Jul 2020 21:18:03 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id E74CA20154; Fri, 17 Jul 2020 21:18:03 +0200 (CEST) Date: Fri, 17 Jul 2020 21:18:03 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200717191803.otok3qyucr65j75v@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/NsXDzNFHwUZ9GkCQevXcTiToTo0> Subject: [netmod] rfc6991bis: inet:urn-scheme, inet:uri-authority, inet:uri-path, inet:uri-query, ... X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 19:18:27 -0000 - It is not clear how commonly useful these types are, the WG was pretty silent about this proposal. - On the technical side, it is unclear whether data is represented with percent escapes resolved or not. - Proposal: do not add these typedefs since their use seems rather specific -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 17 12:26:02 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2BA0D3A07F8 for <netmod@ietfa.amsl.com>; 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Fri, 17 Jul 2020 21:25:56 +0200 (CEST) Date: Fri, 17 Jul 2020 21:25:56 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200717192556.63e7gfbbrn2qyqzo@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/h51ppib0jFDKWiYUgT-i8RJ-cK4> Subject: [netmod] rfc6991bis: loopback addresses X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 17 Jul 2020 19:26:01 -0000 - There was a request to add types for loopback addresses (127.0.0.0/8 and ::1/128). - This is related to an effort to define a YANG module for MPLS LSP Ping (RFC 8029) but the details are unclear, i.e., what is exactly needed and how such a type will be used and whether there is a common need for types for loopback addresses. - Proposal: do not add such types at this point in time -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Sat Jul 18 08:41:58 2020 Return-Path: <vladimir@lightside-instruments.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1296C3A0887 for <netmod@ietfa.amsl.com>; 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SRV:; IPV:NLI; SFV:NSPM; H:AM0PR08MB4084.eurprd08.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(366004)(39830400003)(396003)(136003)(346002)(376002)(2616005)(16576012)(26005)(52116002)(6916009)(36756003)(31696002)(956004)(86362001)(508600001)(31686004)(8676002)(6486002)(316002)(66946007)(66476007)(8936002)(6666004)(66556008)(2906002)(4744005)(16526019)(186003)(5660300002)(43740500002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: nzuHiINcBvviwy5+eL3toTWH/aSo7bVmY5p6UKwochSyxzNFIphAumKvra92vvUeN2Z9nkL/RMOTxsP7LgTp9yFndTj61OKIKm/bqIVTJCEDeDkY3Cx4gbmTXbWa4mWlFAH7KQQyk55YXI8nfKu+20Sd9+bB9SZmVtzJ8447oHKCu9rtl9eT2pPUCdccG+OcFdRLMvHISRJz4aEog8b6NMh6Q6gJu6QFxEQO17qplch93XVKXcQeOYZ9roh3IFCqkeLwnw32BtIBOqNKSelSGWMMXFAB99tFWXe3nP1zEFDO+0EqRQrNGm+IP+GlmgqcVfryWjpQgwomLhU+qRnIYcL1/RzBdn0GmEnaYNUPZxn0eWd2XSbimeBx3khIA6Q5iWkAv+U4hhF2dnyAAtBSqPsF9JNPthDQ57y/SKoujDSvEHkvBSOuVSAFAo6PXNyNNrda+59OiMrOQYwhYrGq1oPEa0/Ms/SNz6IqDU8YzDk= X-OriginatorOrg: lightside-instruments.com X-MS-Exchange-CrossTenant-Network-Message-Id: fc83880b-baf3-4c9e-fd04-08d82b3117bc X-MS-Exchange-CrossTenant-AuthSource: AM0PR08MB4084.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Jul 2020 15:41:52.7876 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: c0326317-f373-4461-a96f-7946e0abb603 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: lTAB/lEZiemvwBFgnvRAy+2jKxYfB3NM9ISYrjiN12minjfML6ahbM8cWJAJvVCImkxEKVjO1wK9mWYIXk+1N5z2156aciD4UpYCENourEN8yk9zQft+JXpx/M+ZP7uu X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB5268 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/Er228HqWu_sZgN8WNfZh0lle_Fs> Subject: Re: [netmod] rfc6991bis: yang:xpath1.0 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Sat, 18 Jul 2020 15:41:58 -0000 On 17/07/2020 21.14, Juergen Schoenwaelder wrote: > - How do we deal with xpath expressions in other encodings > such as JSON. Do we assume an xpath context populated with > module names such that module names can be used to qualify > path expressions. This may need discussion and/or a new > definition. > > - This interacts with the definition of node-instance-identifier. > > - Options: (i) Leave this definition as it is. (ii) Detail how this > type work with encodings that use module names instead of prefixes > to qualify names. > > - Proposal: ? How about leaving the xpath1.0 type definition as it is and specifying a canonical form for the node-instance-identifier where namespace prefixes must be module names. > /js > From nobody Sat Jul 18 09:00:58 2020 Return-Path: <andy@yumaworks.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3393E3A0778 for <netmod@ietfa.amsl.com>; Sat, 18 Jul 2020 09:00:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.887 X-Spam-Level: X-Spam-Status: No, score=-1.887 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, T_SPF_PERMERROR=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=yumaworks-com.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kUGn389VYCRp for <netmod@ietfa.amsl.com>; Sat, 18 Jul 2020 09:00:55 -0700 (PDT) Received: from mail-lj1-x22f.google.com (mail-lj1-x22f.google.com [IPv6:2a00:1450:4864:20::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7E0553A060A for <netmod@ietf.org>; Sat, 18 Jul 2020 09:00:55 -0700 (PDT) Received: by mail-lj1-x22f.google.com with SMTP id d17so15964858ljl.3 for <netmod@ietf.org>; Sat, 18 Jul 2020 09:00:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yumaworks-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fyNkcpIgjogoxQxJKwLuz2OSj1kU000ACNHZDMffGss=; b=UuNlwdEdzmUMjgppgilhUQnf7B52B8eWMrYiV/Cvu3rNMEx54ykv+e5WjaERu3QS93 Tq0wsvlEyaeGX15QGJ8dJrvDk8d8rtExqIOndhOzTOCiVKiS1U9cr40ml6TjevqlmiKV fnlgdVxbImNuftjOIlvT9Riq3W5zGHr45JTDRrUHY8LSHyBIZh3+J0B0LCLYVB9ga6yT rZGP58HGw9/5SZpw+PD3NmpcnWOu0Lm/w/Qh8zYz59WYXVd2YC7PQkXWaGKLZagY2F8Q oPeqhs7X1sIIibMg/GFz+Y+3omr2UYGNlQ+gDSOCsbZDAajC5Xss21WNblbiXOiPz19b f45A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=fyNkcpIgjogoxQxJKwLuz2OSj1kU000ACNHZDMffGss=; b=dN1Dv2PQmqTDyAqnKskjEpzquUSG8FWSAFNVka6zBuf8e2rjxbSnwFwEErlQ1YSzSJ EH4EdJENtFpmk8A5UcVcmc+csTMZ9+XB1EFnZ50pjjOPr06XQ+vjzrdN4AMvbEbETep8 Rrb/WFhsRZuQsEBjVXogUIceGBpnMefDkht+HEujz9ShFZYohMmNlrRASyKwSlmjuu1k dY71khnsUqBf2/eREwdcl6bXvTGLAVmK0GItEAwXyNp+VbRkPYC85PJefkYr0111jW1V IBGFJmVRyvr15kSy4Xgcrul/XUgzJf5Ovjrv7q2/qN+vjswJM7qeINxQcXXoP1kTJtRz uiFw== X-Gm-Message-State: AOAM531yWf6DIKcNpu3uLR+Y3+eaEnj9aTRytUxYhNQXszQPW+u02j8s 8Ex8JnGlzWlEyrOkMw3ph6ErpMc6cathOclJZZHG+A== X-Google-Smtp-Source: ABdhPJwlNqp+VsPNfpk+WWe6sDo/njTeWC2RyrqTh4eCjWx0rlfu0JvDqFYDWaCHv32FzNJd7v3RmI5KUkTC0ZNBAM0= X-Received: by 2002:a2e:8619:: with SMTP id a25mr6264599lji.320.1595088053311; Sat, 18 Jul 2020 09:00:53 -0700 (PDT) MIME-Version: 1.0 References: <2751efb1-d276-8c49-4697-87de2bb379e8@lightside-instruments.com> <86a37242-a85d-f4a6-1db6-c79d861f76fb@lightside-instruments.com> In-Reply-To: <86a37242-a85d-f4a6-1db6-c79d861f76fb@lightside-instruments.com> From: Andy Bierman <andy@yumaworks.com> Date: Sat, 18 Jul 2020 09:00:42 -0700 Message-ID: <CABCOCHQ-=-2yb2iA6sRMir6MvvQfGzyb4Nx3MFFYof6By4jKLg@mail.gmail.com> To: Vladimir Vassilev <vladimir@lightside-instruments.com> Cc: "netmod@ietf.org" <netmod@ietf.org> Content-Type: multipart/alternative; boundary="000000000000cddf8a05aab960eb" Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/S6oKEV3tSYpVynF6WSIA2MEnORA> Subject: Re: [netmod] rfc6991bis: yang:xpath1.0 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Sat, 18 Jul 2020 16:00:57 -0000 --000000000000cddf8a05aab960eb Content-Type: text/plain; charset="UTF-8" On Sat, Jul 18, 2020 at 8:42 AM Vladimir Vassilev < vladimir@lightside-instruments.com> wrote: > On 17/07/2020 21.14, Juergen Schoenwaelder wrote: > > > - How do we deal with xpath expressions in other encodings > > such as JSON. Do we assume an xpath context populated with > > module names such that module names can be used to qualify > > path expressions. This may need discussion and/or a new > > definition. > > > > - This interacts with the definition of node-instance-identifier. > > > > - Options: (i) Leave this definition as it is. (ii) Detail how this > > type work with encodings that use module names instead of prefixes > > to qualify names. > > > > - Proposal: ? > > > How about leaving the xpath1.0 type definition as it is and specifying a > canonical form for the node-instance-identifier where namespace prefixes > must be module names. > > Since (i) is the only BC option why is (ii) even being considered? Of course a new type name is needed to change the XPath syntax to something that is not backward-compatible. > > /js > > > Andy > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod > --000000000000cddf8a05aab960eb Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote">= <div dir=3D"ltr" class=3D"gmail_attr">On Sat, Jul 18, 2020 at 8:42 AM Vladi= mir Vassilev <<a href=3D"mailto:vladimir@lightside-instruments.com">vlad= imir@lightside-instruments.com</a>> wrote:<br></div><blockquote class=3D= "gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(2= 04,204,204);padding-left:1ex">On 17/07/2020 21.14, Juergen Schoenwaelder wr= ote:<br> <br> > - How do we deal with xpath expressions in other encodings<br> > such as JSON. Do we assume an xpath context populated with<br> > module names such that module names can be used to qualify<br> > path expressions. This may need discussion and/or a new<br> > definition.<br> ><br> > - This interacts with the definition of node-instance-identifier.<br> ><br> > - Options: (i) Leave this definition as it is. (ii) Detail how this<br= > > type work with encodings that use module names instead of prefixes<br> > to qualify names.<br> ><br> > - Proposal: ?<br> <br> <br> How about leaving the xpath1.0 type definition as it is and specifying a <b= r> canonical form for the node-instance-identifier where namespace prefixes <b= r> must be module names.<br> <br></blockquote><div><br></div><div>Since (i) is the only BC option why is= (ii) even being considered?</div><div>Of course a new type name is needed = to change the XPath syntax</div><div>to something that is not backward-comp= atible.</div><div><br></div><blockquote class=3D"gmail_quote" style=3D"marg= in:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1e= x"> <br> > /js<br> ><br></blockquote><div><br></div><div>Andy</div><div>=C2=A0</div><blockq= uote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1p= x solid rgb(204,204,204);padding-left:1ex"> <br> _______________________________________________<br> netmod mailing list<br> <a href=3D"mailto:netmod@ietf.org" target=3D"_blank">netmod@ietf.org</a><br= > <a href=3D"https://www.ietf.org/mailman/listinfo/netmod" rel=3D"noreferrer"= target=3D"_blank">https://www.ietf.org/mailman/listinfo/netmod</a><br> </blockquote></div></div> --000000000000cddf8a05aab960eb-- From nobody Mon Jul 20 01:46:45 2020 Return-Path: <ietfc@btconnect.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D9E223A08A2 for <netmod@ietfa.amsl.com>; 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Mon, 20 Jul 2020 08:46:37 +0000 From: tom petch <ietfc@btconnect.com> To: "netmod@ietf.org" <netmod@ietf.org>, Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Thread-Topic: [netmod] rfc6991bis: loopback addresses Thread-Index: AQHWXHAgpfprWxs6WkidzS2pA1jayakQKxun Date: Mon, 20 Jul 2020 08:46:37 +0000 Message-ID: <AM6PR07MB52220AD16FAC337D4F89A674A07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> References: <20200717192556.63e7gfbbrn2qyqzo@anna.jacobs.jacobs-university.de> In-Reply-To: <20200717192556.63e7gfbbrn2qyqzo@anna.jacobs.jacobs-university.de> Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: ietf.org; dkim=none (message not signed) header.d=none;ietf.org; dmarc=none action=none header.from=btconnect.com; x-originating-ip: [81.131.229.35] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 3417ca7d-364b-4e96-0bd4-08d82c8969ef x-ms-traffictypediagnostic: AM5PR0701MB2355: x-microsoft-antispam-prvs: <AM5PR0701MB23558DADB2DB3E941F9F9818A07B0@AM5PR0701MB2355.eurprd07.prod.outlook.com> x-ms-oob-tlc-oobclassifiers: OLM:10000; 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SFP:1102; x-ms-exchange-antispam-messagedata: HX6VzXxbwqrwVFVbPeroYO4hSkth/fbdy+zwMnkX0dm0s3BzwSblkyXNXTGoD9QxUv+agmSUK2vl+ZIDs+p+hui0yDYOZ6/e9HS8FSioBFmzJQWavIw1yK3hJrIzLdnzTcuOU900RcW5dqMZipecPoDesMr/7/LNPErauAg/rOpcDcI4cYNWti5CkjMxHfB4fAkZkvtwxpbHdLYEJxSm+KZXiWWjGANQkahUK+lCZOflzl9V7A7n6JKm5YowYbjovuDB3+kv2JUJJoI/9Y3QZ1wq/wy2tX4w+hs8ltxfMtdA46bnw82AuGZN4aCpdcyNuqU1ynZ+KX3Mtl7cNhnkjgkpelIze3a2IR8dZGPN2wksNXpyyQIDshnsYYsvALQSVwf85JLizLxyBMakDr0RHtxMxg2Mtc8hUbeASu0iJOEmYTPhAwzEo5RD12yTeBWKrW9CXnpxgG2ubuSm5WX78eX06oWT+jO8oBvulSZL/4o= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR07MB5222.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3417ca7d-364b-4e96-0bd4-08d82c8969ef X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Jul 2020 08:46:37.0821 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: xgBRWarFneglhxDQhm8wD0joEmsPZcXPpTPnYVdBbArNA6eijRtIgCTOlLVRXSDRireWZmvYxYIqK+DJyfwovw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM5PR0701MB2355 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/RFJPSp1F6I_WzgzAWZ8mNeMWIg4> Subject: Re: [netmod] rfc6991bis: loopback addresses X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 08:46:43 -0000 I am not a fan of loopback seeing it as the implementation choice of one ma= nufacturer. On the other hand, the IETF has defined documentation addresse= s which many if not most writers of examples for YANG modules seem unaware = of so if we add anything, I would add those.=0A= =0A= Tom Petch=0A= =0A= From: netmod <netmod-bounces@ietf.org> on behalf of Juergen Schoenwaelder <= j.schoenwaelder@jacobs-university.de>=0A= Sent: 17 July 2020 20:25=0A= =0A= - There was a request to add types for loopback addresses=0A= (127.0.0.0/8 and ::1/128).=0A= =0A= - This is related to an effort to define a YANG module for MPLS LSP=0A= Ping (RFC 8029) but the details are unclear, i.e., what is exactly=0A= needed and how such a type will be used and whether there is a=0A= common need for types for loopback addresses.=0A= =0A= - Proposal: do not add such types at this point in time=0A= =0A= --=0A= Juergen Schoenwaelder Jacobs University Bremen gGmbH=0A= Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany=0A= Fax: +49 421 200 3103 <https://www.jacobs-university.de/>=0A= =0A= _______________________________________________=0A= netmod mailing list=0A= netmod@ietf.org=0A= https://www.ietf.org/mailman/listinfo/netmod=0A= From nobody Mon Jul 20 01:50:27 2020 Return-Path: <ietfc@btconnect.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2B6453A08AF for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 01:50:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=btconnect.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QwIysOHFRPoJ for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 01:50:23 -0700 (PDT) Received: from EUR05-AM6-obe.outbound.protection.outlook.com (mail-am6eur05on2125.outbound.protection.outlook.com [40.107.22.125]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6F92C3A08AC for <netmod@ietf.org>; Mon, 20 Jul 2020 01:50:23 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bveFmT63Ogo/fwC/tcca7lFC6OsUyaqy/bsxYyxylWsfnKJm8lr8RwF+eeIZZODoQKbalA19NAKOHyrkQfdzphf6/AD1GWuh6qEDkIxYpyK1MJrrKF3jIqy4NkvzoRWADSo3uph9MEKv0t/g3cl3YZqn5Nz8KQfCGmu7sWgCMGSslamFQgOArDEae8hr+A2JqYdCv7TLv44NDQ7/WRtNps8Q0NZiybGxeLig5MZrMbYWFE7MVHstMoSjCoUP1MPU1Dc7D++lBSAPub5H6+QlJnzbFuFElfA9vzBp6fiPtDPDj2rkv6O9WDGlgZNApP4GLFwZABZb5Tj/B5/fbFqTyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=BQfDW8jLvKLYoqLll64w3FoxQ5ho5wgYuNTKLvC8E0g=; b=m2+d0FGaTylMdcLk2POF6RZ1vjfsjT+GBGDRcI0yWbOlFsWZfIMHV3G5kL0evRvujxyAmhZoonZjKsa2S8b4zRrDU52h4q6wh0OidGN7pRLZAImIq4yR2pHNuBeYLEsfBcNdf4RzBte/PZfH39+MWMjnHmW3ViN7plYpb6wOQ9xw9zKqks5QevD4EVfZrE1Nq/Ob/ZsVNmVCAbjKg1O9dkXrhlSgURtCnsA5d0VT5wgFFlUxz3UcFVdr6TONEQ3iENZ9uN2foJbm0c78BTcMTnyP9MWiIfLCYQTUuoTTVrddhN4UvVBfPN+dOOtMYksl2E3UQ/dHPR4kqmJ5pved/w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=btconnect.com; dmarc=pass action=none header.from=btconnect.com; dkim=pass header.d=btconnect.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btconnect.onmicrosoft.com; s=selector2-btconnect-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=BQfDW8jLvKLYoqLll64w3FoxQ5ho5wgYuNTKLvC8E0g=; b=ILFzVId5/XE3lD2TZNfnjLnj5qqNNT6Y3PwsdvAwTpxfNMNDy3vFHqLTSq5iijLDK12jWfKVVNuB60LxQczEGjQqvuYbC17QD85QH/wJ3C0AW0vjciEtCalEYoaFtPt/5hBvvoVucT+ohP07OhMAfxWfXAdQmle5tloM8XWlWxs= Received: from AM6PR07MB5222.eurprd07.prod.outlook.com (2603:10a6:20b:61::25) by AM6PR07MB5892.eurprd07.prod.outlook.com (2603:10a6:20b:5a::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3216.14; Mon, 20 Jul 2020 08:50:21 +0000 Received: from AM6PR07MB5222.eurprd07.prod.outlook.com ([fe80::6d04:3a51:ec0d:9890]) by AM6PR07MB5222.eurprd07.prod.outlook.com ([fe80::6d04:3a51:ec0d:9890%7]) with mapi id 15.20.3216.017; Mon, 20 Jul 2020 08:50:21 +0000 From: tom petch <ietfc@btconnect.com> To: "netmod@ietf.org" <netmod@ietf.org>, Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Thread-Topic: [netmod] rfc6991bis: inet:urn-scheme, inet:uri-authority, inet:uri-path, inet:uri-query, ... Thread-Index: AQHWXG8RQDnf0PyTGES9eG+EYAgWFKkQK8gG Date: Mon, 20 Jul 2020 08:50:21 +0000 Message-ID: <AM6PR07MB5222090201135A9146A7740EA07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> References: <20200717191803.otok3qyucr65j75v@anna.jacobs.jacobs-university.de> In-Reply-To: <20200717191803.otok3qyucr65j75v@anna.jacobs.jacobs-university.de> Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: ietf.org; dkim=none (message not signed) header.d=none;ietf.org; dmarc=none action=none header.from=btconnect.com; x-originating-ip: [81.131.229.35] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: ca762dc6-1038-4c0d-5943-08d82c89ef81 x-ms-traffictypediagnostic: AM6PR07MB5892: x-microsoft-antispam-prvs: <AM6PR07MB5892BA8446C5771EEB24D45AA07B0@AM6PR07MB5892.eurprd07.prod.outlook.com> x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: /49mlp4CDxoMnyG1DaTjALJ7ZRn8FLbt0Urq6fzOYPtAzZCuHLVfOKCQYZjP9g9RqqSQVHOYlkkFoKrG8xA+t13OsUc44reRgp5905nZLelw01AzEPSATq8DUyiD03tlevMEuv6IzzZI3H39RtwzAmPcMLMu/pHtYfIW3vTZOBzqzF6ZgAkkXxtX/uz4ydJAM6tJY4ozzqdyXEh+V8J58jklZbBP/KuUddJ+EuVzITaPAclumnZ/Dlay7wMc0Jwr4RLWtk4+ESOWYW6VnJDtCEO39WC3BpUS7xtWtsq09L37bNyCuW8lC79AoVhV4vxlp2YK6UE//lLEoGuliVV8CHfXtAhOhFx8YIoSrXrNymjTkVrIzORzbf3Fe0KrWtZimdC5CPW+C+GlaxFv9SmzCQ== x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM6PR07MB5222.eurprd07.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(396003)(39860400002)(346002)(366004)(376002)(136003)(2906002)(52536014)(4744005)(7696005)(8676002)(316002)(9686003)(5660300002)(478600001)(55016002)(33656002)(110136005)(64756008)(91956017)(71200400001)(966005)(66556008)(86362001)(26005)(76116006)(8936002)(83080400001)(186003)(6506007)(66476007)(66946007)(66446008); DIR:OUT; SFP:1102; x-ms-exchange-antispam-messagedata: MOxnSkUO7tpGXBHsMmYAcKi5R6NRctWOdtyDeVs5MpI2KK5ywU2f/2FJO/LH4Zp7+fgtpv75ZfHjJT1UY8U1aqfXgWQRTZ4UmdJuz1HSMueyO25oOQMs3YMVzy3rbdpfre3F3kbEEz8va89bYPnZSP88SxMmEsl4zyrIWJcwYlkQ4RAdNOTMEiiuQ+s9bLPafndaSdo/dq6TaKoUrzjbXBRRJ5wyhrXj8WOh0roXLFx40JsAvyPsG1KEmaY4lQNiEU7PbWqFbVZrVw2iJSNa4UZ2hhCoAGTuHWs1+8w69dVyfCmeqxjrSxBGbiDrDUTsYBKgAAb0Uqq/SZQ5CbvBypVUjl88bFOCvdspD5kO6f/WbxTM3zKiso5q9T+KMv6WLFK7V6bgxrSw987D0xY/nOsagqx6m2iPZcDxBoOyDA47kSEQ0XN/q79KvwtRemb5WKwDxaOi/ympTV1Vh0TWJYHjjXCvKk7iNsh5wECg4DA= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR07MB5222.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: ca762dc6-1038-4c0d-5943-08d82c89ef81 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Jul 2020 08:50:21.2389 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 6ARfXENh8EmfvuUCcbgVm1tA57Jlrsl9/tIHilnoHnARsgBH3veRlvARKwDDJwEFnNzb+Bjwpl01/Bglj/BZPg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR07MB5892 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/O9Jwdp3vqOu4_D2UjAtTGEZmDCk> Subject: Re: [netmod] rfc6991bis: inet:urn-scheme, inet:uri-authority, inet:uri-path, inet:uri-query, ... X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 08:50:25 -0000 From: netmod <netmod-bounces@ietf.org> on behalf of Juergen Schoenwaelder <= j.schoenwaelder@jacobs-university.de>=0A= Sent: 17 July 2020 20:18=0A= =0A= - It is not clear how commonly useful these types are, the WG was=0A= pretty silent about this proposal.=0A= =0A= - On the technical side, it is unclear whether data is represented=0A= with percent escapes resolved or not.=0A= =0A= - Proposal: do not add these typedefs since their use seems rather=0A= specific=0A= <tp>=0A= I am starting to see the use of typedef uri as a way of referencing an enti= ty in TEAS YANG modules following on from its use in one of the routing RFC= (which I cannot lay my hands on just now) so it is possible that uri is ab= out to catch on but I do not understand why they have chosen it nor what sc= heme it will be. I have never seen much use of it in SMI.=0A= =0A= Tom Petch=0A= --=0A= Juergen Schoenwaelder Jacobs University Bremen gGmbH=0A= Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany=0A= Fax: +49 421 200 3103 <https://www.jacobs-university.de/>=0A= =0A= _______________________________________________=0A= netmod mailing list=0A= netmod@ietf.org=0A= https://www.ietf.org/mailman/listinfo/netmod=0A= From nobody Mon Jul 20 01:53:52 2020 Return-Path: <ietfc@btconnect.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A9E0C3A08C3 for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 01:53:50 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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Mon, 20 Jul 2020 08:53:45 +0000 Received: from AM6PR07MB5222.eurprd07.prod.outlook.com ([fe80::6d04:3a51:ec0d:9890]) by AM6PR07MB5222.eurprd07.prod.outlook.com ([fe80::6d04:3a51:ec0d:9890%7]) with mapi id 15.20.3216.017; Mon, 20 Jul 2020 08:53:45 +0000 From: tom petch <ietfc@btconnect.com> To: "netmod@ietf.org" <netmod@ietf.org>, Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Thread-Topic: [netmod] rfc6991bis: inet:host Thread-Index: AQHWXG7p/kt7/axcH0O2VulpsrsrPKkQLMjj Date: Mon, 20 Jul 2020 08:53:45 +0000 Message-ID: <AM6PR07MB5222101A401FCF3AEC213FEEA07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> In-Reply-To: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: ietf.org; dkim=none (message not signed) header.d=none;ietf.org; dmarc=none action=none header.from=btconnect.com; 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SFS:(396003)(39860400002)(346002)(366004)(376002)(136003)(2906002)(52536014)(7696005)(8676002)(316002)(9686003)(5660300002)(478600001)(55016002)(33656002)(110136005)(64756008)(91956017)(71200400001)(966005)(66556008)(86362001)(26005)(76116006)(8936002)(83080400001)(186003)(6506007)(66476007)(66946007)(66446008); DIR:OUT; SFP:1102; x-ms-exchange-antispam-messagedata: xorBeGS6NywRzd3ibo8om19gWwtZN20XIT8uxnTpQe8DNP8Z3W522XQVdbUpZuV2/G276J4sPQXg1n/EUuA/LfMrkHZ19bTCXStE7Ngi91Q7ARc6Rs+A44YrXCvG/LDVIlj9csbE6oQURJX4hrhy3H0SFIzipS+zeeUlxi4WML/XVOV+w6sr+LBGIbc5tG310/NUXJj8VU6oA7u2Wx0UBeFog3jQEiFHmRF0582YNfqsnkvUsoJFAPxGNR/CQWU+awL5jAWB1XcS+LxQV4PX/ZULHfbMsp70aotstO9Sgt5KuwLMm8YHSb1hqH1D0HnhT+xD6XCaqQv1iLeqgcw2dXHc4LoTdvd3zMGo5EvMMqYvl4/Iep1dNKwrkhZzPnXIy4qJdfhVYdr38qEf/6zUzeMAqRRu1xrsQjZLapBwBTWZJD1H8bWy7sq3ETr1x3Bq5/yvBdd7WOkeLNbhVDMeW5DTyROY9vAtgVxlYJY0T2M= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR07MB5222.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1b4d0c88-2a03-4b89-ec47-08d82c8a695a X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Jul 2020 08:53:45.6511 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: V3zqm99RQ5uoP1FXpnSvFxd7/Rqd6x2l0UmT+/QUTxvkSjVkTz6gG0bEF+pifm+BMzi4isGGLDfPoG0QgxR5iQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR07MB5892 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/EJo04TD6Lsi3j_gTnrFhyxdnoe8> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 08:53:51 -0000 From: netmod <netmod-bounces@ietf.org> on behalf of Juergen Schoenwaelder <= j.schoenwaelder@jacobs-university.de>=0A= Sent: 17 July 2020 20:17=0A= =0A= - Lada suggested to replace the inet:domain-name usage in=0A= the union with a new host-name definition that follows=0A= the NR-LDH definition in RFC 5890.=0A= =0A= - Unclear which problem is fixed and how this works from a=0A= backwards compatibility perspective.=0A= =0A= - See the thread '6991bis: host' in your private list archive=0A= (I can't find it in the IETF archive)=0A= =0A= - I can't tell for sure that Lada's proposal is (i) correct and (ii)=0A= not breaking anything=0A= =0A= <tp>=0A= host and domain are two separate concepts with different semantics and diff= erent syntax, something that those not familiar with the RFC often confuse = (but which most text books get right) so I have no problem with having host= and domain but am not a fan of changing the existing definition.=0A= =0A= Tom Petch=0A= =0A= - Proposal: ?=0A= =0A= --=0A= Juergen Schoenwaelder Jacobs University Bremen gGmbH=0A= Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany=0A= Fax: +49 421 200 3103 <https://www.jacobs-university.de/>=0A= =0A= _______________________________________________=0A= netmod mailing list=0A= netmod@ietf.org=0A= https://www.ietf.org/mailman/listinfo/netmod=0A= From nobody Mon Jul 20 01:56:09 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 334583A08D7 for <netmod@ietfa.amsl.com>; 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Mon, 20 Jul 2020 10:56:02 +0200 (CEST) Date: Mon, 20 Jul 2020 10:56:02 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: tom petch <ietfc@btconnect.com> Cc: "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200720085602.4vg2g2az5la4e4ln@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> References: <20200717192556.63e7gfbbrn2qyqzo@anna.jacobs.jacobs-university.de> <AM6PR07MB52220AD16FAC337D4F89A674A07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <AM6PR07MB52220AD16FAC337D4F89A674A07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/TtypDeMqjKLFh5ty9f8nVLvdJqI> Subject: Re: [netmod] rfc6991bis: loopback addresses X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 08:56:08 -0000 Adding documentation addresses as a _type_?? /js On Mon, Jul 20, 2020 at 08:46:37AM +0000, tom petch wrote: > I am not a fan of loopback seeing it as the implementation choice of one manufacturer. On the other hand, the IETF has defined documentation addresses which many if not most writers of examples for YANG modules seem unaware of so if we add anything, I would add those. > > Tom Petch > > From: netmod <netmod-bounces@ietf.org> on behalf of Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> > Sent: 17 July 2020 20:25 > > - There was a request to add types for loopback addresses > (127.0.0.0/8 and ::1/128). > > - This is related to an effort to define a YANG module for MPLS LSP > Ping (RFC 8029) but the details are unclear, i.e., what is exactly > needed and how such a type will be used and whether there is a > common need for types for loopback addresses. > > - Proposal: do not add such types at this point in time > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Mon Jul 20 01:57:42 2020 Return-Path: <ietfc@btconnect.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6D47A3A08D7 for <netmod@ietfa.amsl.com>; 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I can see us ending up with two i= dentical definitions but that is probably better than two different definit= ions:-)=0A= =0A= Tom Petch=0A= =0A= - XML schema seems to use a different canonical format, we=0A= need to take a closer look how to define the canonical format=0A= given that a date really identifies a 24 hour interval and=0A= what XSD means with 'interval midpoint'.=0A= =0A= - Shall we make the timezone offset optional? The timezone offset is=0A= optional in XML schema. There is CBOR work in progress to define a=0A= date without a timezone. The downside of optional timezones is=0A= that two systems in different timezones may assign different dates=0A= to the same event. On the other hand, there may be use cases where=0A= the timezone is implicit.=0A= =0A= - Proposal: Make the timezone optional (adding text describing the=0A= implications, i.e., comparisons may be surprising). Align as much=0A= as possible with the XML schema definition concerning the=0A= canonical format.=0A= =0A= /js=0A= =0A= --=0A= Juergen Schoenwaelder Jacobs University Bremen gGmbH=0A= Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany=0A= Fax: +49 421 200 3103 <https://www.jacobs-university.de/>=0A= =0A= _______________________________________________=0A= netmod mailing list=0A= netmod@ietf.org=0A= https://www.ietf.org/mailman/listinfo/netmod=0A= From nobody Mon Jul 20 02:00:42 2020 Return-Path: <ietfc@btconnect.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B967E3A08D7 for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 02:00:40 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.401 X-Spam-Level: X-Spam-Status: No, score=-1.401 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, SUBJ_ALL_CAPS=0.5, URIBL_BLOCKED=0.001] autolearn=no autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR07MB5222.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 924b64a9-5901-45a9-562f-08d82c8b4d56 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Jul 2020 09:00:08.0976 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: GD/0wIU774nBpGUO75BbIdLSS3ZBSzjrfyr6Ejkw5eNSVujaHrFxbiUOoA+UFZaSH9QgP22MeJX6GJO5FtyCoQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR07MB5576 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/6Oqb6PsCyhFAcD70jfES202NTD0> Subject: Re: [netmod] A ---- > B X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 09:00:41 -0000 From: Rob Wilton (rwilton) <rwilton@cisco.com>=0A= Sent: 16 July 2020 19:16=0A= [As an individual]=0A= =0A= I would say that the diagram would represent A augments B, since A has a de= pendency on B. From a quick search this also appears the direction that a = dependency arrow is represented in UML, in case that matters.=0A= =0A= <tp>=0A= Yes that is my instinct but it could be that I have been brainwashed by a l= oad of I-D doing it that way and now I have one going the other way I find = myself wondering.=0A= =0A= Tom Petch=0A= =0A= But I could also see how others could see the relationship the other way ro= und.=0A= =0A= I agree that doing it consistently is helpful.=0A= =0A= =0A= Regards,=0A= Rob=0A= =0A= =0A= > -----Original Message-----=0A= > From: netmod <netmod-bounces@ietf.org> On Behalf Of tom petch=0A= > Sent: 15 July 2020 16:51=0A= > To: NETMOD Working Group <netmod@ietf.org>=0A= > Subject: [netmod] A ---- > B=0A= >=0A= > TEAS yang has a mountain of augment and several I-D represent that=0A= > graphically=0A= >=0A= > +-----+ +-----+=0A= > I I I I=0A= > I A I -----> I B I=0A= > I I I I=0A= > +-----+ +-----+=0A= > In some I-D this means A augments B=0A= > In other I-D this means B augments A=0A= > I would like consistency. Is one approach more logical than the other?= =0A= >=0A= > Tom Petch=0A= > _______________________________________________=0A= > netmod mailing list=0A= > netmod@ietf.org=0A= > https://www.ietf.org/mailman/listinfo/netmod=0A= From nobody Mon Jul 20 02:03:20 2020 Return-Path: <ietfc@btconnect.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 988933A08E6 for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 02:03:18 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=btconnect.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QOkipL_zeGFy for <netmod@ietfa.amsl.com>; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM6PR07MB5222.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 40550a69-8a03-446a-b691-08d82c8bbc2d X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Jul 2020 09:03:14.1284 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: UqPw7Bgq+AFDTFLP5kQ9hgnL3Sb5wrFFrD1eWf0D4+tgVxgzDimp7gXyas8zcx66CAX3PVHMkJrgNgMeXjJUEA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM5PR0701MB2516 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/hRpaklcAoNZ1Fgi8anu7gZjgC90> Subject: Re: [netmod] rfc6991bis: loopback addresses X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 09:03:19 -0000 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>=0A= Sent: 20 July 2020 09:56=0A= =0A= Adding documentation addresses as a _type_??=0A= =0A= <tp>=0A= I know, silly idea really but people do understand types in a way that they= seem not to understand other YANG constructs. And I have seen real damag= e done by people not realising that an address is an example and not to be = taken literally - I see documentation addresses as an example of excellent = engineering.=0A= =0A= Tom Petch=0A= =0A= /js=0A= =0A= On Mon, Jul 20, 2020 at 08:46:37AM +0000, tom petch wrote:=0A= > I am not a fan of loopback seeing it as the implementation choice of one = manufacturer. On the other hand, the IETF has defined documentation addres= ses which many if not most writers of examples for YANG modules seem unawar= e of so if we add anything, I would add those.=0A= >=0A= > Tom Petch=0A= >=0A= > From: netmod <netmod-bounces@ietf.org> on behalf of Juergen Schoenwaelder= <j.schoenwaelder@jacobs-university.de>=0A= > Sent: 17 July 2020 20:25=0A= >=0A= > - There was a request to add types for loopback addresses=0A= > (127.0.0.0/8 and ::1/128).=0A= >=0A= > - This is related to an effort to define a YANG module for MPLS LSP=0A= > Ping (RFC 8029) but the details are unclear, i.e., what is exactly=0A= > needed and how such a type will be used and whether there is a=0A= > common need for types for loopback addresses.=0A= >=0A= > - Proposal: do not add such types at this point in time=0A= >=0A= > --=0A= > Juergen Schoenwaelder Jacobs University Bremen gGmbH=0A= > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany=0A= > Fax: +49 421 200 3103 <https://www.jacobs-university.de/>=0A= >=0A= > _______________________________________________=0A= > netmod mailing list=0A= > netmod@ietf.org=0A= > https://www.ietf.org/mailman/listinfo/netmod=0A= =0A= --=0A= Juergen Schoenwaelder Jacobs University Bremen gGmbH=0A= Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany=0A= Fax: +49 421 200 3103 <https://www.jacobs-university.de/>=0A= From nobody Mon Jul 20 02:05:06 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 10E0D3A08DB for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 02:05:03 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id t-AUU-6Sm2Jg for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 02:05:00 -0700 (PDT) Received: from trail.lhotka.name (trail.lhotka.name [77.48.224.143]) by ietfa.amsl.com (Postfix) with ESMTP id B17BE3A08E1 for <netmod@ietf.org>; Mon, 20 Jul 2020 02:04:59 -0700 (PDT) Received: by trail.lhotka.name (Postfix, from userid 109) id BE6948600C7; Mon, 20 Jul 2020 10:56:53 +0200 (CEST) Received: from localhost (nat-1.nic.cz [217.31.205.1]) by trail.lhotka.name (Postfix) with ESMTPSA id 2768986005D; Mon, 20 Jul 2020 10:56:51 +0200 (CEST) From: Ladislav Lhotka <ladislav.lhotka@nic.cz> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org In-Reply-To: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> Mail-Followup-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org Date: Mon, 20 Jul 2020 11:04:55 +0200 Message-ID: <87ft9mzhe0.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/HDXhull68WgYS9gIeU76lKPbGYY> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 09:05:05 -0000 Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > - Lada suggested to replace the inet:domain-name usage in > the union with a new host-name definition that follows > the NR-LDH definition in RFC 5890. > > - Unclear which problem is fixed and how this works from a > backwards compatibility perspective. > > - See the thread '6991bis: host' in your private list archive > (I can't find it in the IETF archive) > > - I can't tell for sure that Lada's proposal is (i) correct and (ii) > not breaking anything > > - Proposal: ? Maybe it is better to basically keep the existing inet:domain name for use e.g. in host names that appear in all kinds of non-DNS configuration, and leave the definition of a domain name type appropriate for use in DNS zone data etc. to DNSOP WG. So my proposal is to only modify the description accordingly, and in particular remove the comment about the use in A/AAAA/SRV resource records, because the existing type isn't really suitable for this purpose. Lada > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Mon Jul 20 02:19:54 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6E6903A0039 for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 02:19:52 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ojNANI1ckQ5M for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 02:19:50 -0700 (PDT) Received: from trail.lhotka.name (trail.lhotka.name [77.48.224.143]) by ietfa.amsl.com (Postfix) with ESMTP id D33F63A00B0 for <netmod@ietf.org>; Mon, 20 Jul 2020 02:19:48 -0700 (PDT) Received: by trail.lhotka.name (Postfix, from userid 109) id 46BA28600C7; Mon, 20 Jul 2020 11:11:43 +0200 (CEST) Received: from localhost (nat-1.nic.cz [217.31.205.1]) by trail.lhotka.name (Postfix) with ESMTPSA id 2468C86005D; Mon, 20 Jul 2020 11:11:41 +0200 (CEST) From: Ladislav Lhotka <ladislav.lhotka@nic.cz> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org In-Reply-To: <20200717191638.6wl3dqktcrnghuyl@anna.jacobs.jacobs-university.de> References: <20200717191638.6wl3dqktcrnghuyl@anna.jacobs.jacobs-university.de> Mail-Followup-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org Date: Mon, 20 Jul 2020 11:19:45 +0200 Message-ID: <87d04qzgpa.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/_rnAg-JwTlUtnf70BCWauWtWABY> Subject: Re: [netmod] rfc6991bis: yang:percentage X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 09:19:52 -0000 Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > - Percentages are frequently used in YANG models but usages differ a > lot in precision and range. It is not clear what the proper > generic definition of a percentage type would be and whether it is > worth having it. > > RFC 7950 example: > > typedef percent { type uint8 { range "0 .. 100"; } } > > RFC 8294: > > typedef percentage { type uint8 { range "0..100"; } } > > I-Ds: > typedef percentage { type decimal64 { fraction-digits 5; } } > typedef percentile { type decimal64 { fraction-digits 2; } } > > The yang catalogue seems to be down. :-( > > - Proposal: do not add a percentage type since it is trivial to > define a context specific percentage type that matches range and > precision requirements (and there is already a definition in RFC > 8294 for those who need exactly that definition). I agree with this proposal. It is also possible to use units percent; where necessary. Lada > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Mon Jul 20 02:43:32 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 467993A07C2 for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 02:43:31 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BeBm5kq9MkjY for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 02:43:29 -0700 (PDT) Received: from trail.lhotka.name (trail.lhotka.name [77.48.224.143]) by ietfa.amsl.com (Postfix) with ESMTP id 145063A07BF for <netmod@ietf.org>; Mon, 20 Jul 2020 02:43:27 -0700 (PDT) Received: by trail.lhotka.name (Postfix, from userid 109) id 04AF98600C7; Mon, 20 Jul 2020 11:35:22 +0200 (CEST) Received: from localhost (nat-1.nic.cz [217.31.205.1]) by trail.lhotka.name (Postfix) with ESMTPSA id 2F40586005D; Mon, 20 Jul 2020 11:35:21 +0200 (CEST) From: Ladislav Lhotka <ladislav.lhotka@nic.cz> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org In-Reply-To: <20200717191411.ou3sdvm2kynkcxc2@anna.jacobs.jacobs-university.de> References: <20200717191411.ou3sdvm2kynkcxc2@anna.jacobs.jacobs-university.de> Mail-Followup-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org Date: Mon, 20 Jul 2020 11:43:25 +0200 Message-ID: <87a6zuzflu.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/kgexe9yjegjuq42_4DX9P0StB2Q> Subject: Re: [netmod] rfc6991bis: yang:xpath1.0 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 09:43:31 -0000 Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > - How do we deal with xpath expressions in other encodings > such as JSON. Do we assume an xpath context populated with > module names such that module names can be used to qualify > path expressions. This may need discussion and/or a new > definition. XPath context is not only namespaces and prefixes. For example, are the extra functions from RFC 7950 permitted or not? > > - This interacts with the definition of node-instance-identifier. I think it is necessary to first redefine the lexical representation of instance-identifier in YANG. > > - Options: (i) Leave this definition as it is. (ii) Detail how this > type work with encodings that use module names instead of prefixes > to qualify names. I vote for (i), as long as a general solution is probably impossible. Lada > > - Proposal: ? > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Mon Jul 20 06:39:10 2020 Return-Path: <rrahman@cisco.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2E63B3A0912 for <netmod@ietfa.amsl.com>; Mon, 20 Jul 2020 06:39:08 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.62 X-Spam-Level: X-Spam-Status: No, score=-9.62 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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Mon, 20 Jul 2020 16:30:16 +0200 Received: from sushi.unix-ag.uni-kl.de (ip6-localhost [IPv6:::1]) by sushi.unix-ag.uni-kl.de (8.14.4/8.14.4/Debian-4+deb7u1) with ESMTP id 06KEUFfF011433 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 20 Jul 2020 16:30:15 +0200 Received: (from auerswal@localhost) by sushi.unix-ag.uni-kl.de (8.14.4/8.14.4/Submit) id 06KEUFGu011432; Mon, 20 Jul 2020 16:30:15 +0200 Date: Mon, 20 Jul 2020 16:30:15 +0200 From: Erik Auerswald <auerswal@unix-ag.uni-kl.de> To: "Reshad Rahman (rrahman)" <rrahman=40cisco.com@dmarc.ietf.org> Cc: tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org>, Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Message-ID: <20200720143015.GA9358@unix-ag.uni-kl.de> References: <20200717192556.63e7gfbbrn2qyqzo@anna.jacobs.jacobs-university.de> <AM6PR07MB52220AD16FAC337D4F89A674A07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> <64A58592-5FD0-4752-8069-E59E62C3F699@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <64A58592-5FD0-4752-8069-E59E62C3F699@cisco.com> User-Agent: Mutt/1.5.21 (2010-09-15) Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/rLOImsHQOxhGq0pfC1C7IVxe2gU> Subject: Re: [netmod] rfc6991bis: loopback addresses X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 14:30:24 -0000 Hello Reshad, while the I-D draft-nainar-mpls-lsp-ping-yang-00 only specifies ::1/128 as IPv6 loopback address, RFC 8029 sections 2.1., 3.4.1.1.1., and 4.3. specify to use the IPv4 loopback range as IP4-mapped IPv6 addresses for IPv6 MPLS echo request UDP packets, not the IPv6 loopback address ::1/128. This seems to be inconsistent to me. Best regards, Erik On Mon, Jul 20, 2020 at 01:39:02PM +0000, Reshad Rahman (rrahman) wrote: > I don't understand the comment "...implementation choice of one manufacturer." > > As for the details, see https://tools.ietf.org/html/draft-nainar-mpls-lsp-ping-yang-00 > > Regards, > Reshad. > > > On 2020-07-20, 4:47 AM, "netmod on behalf of tom petch" <netmod-bounces@ietf.org on behalf of ietfc@btconnect.com> wrote: > > I am not a fan of loopback seeing it as the implementation choice of one manufacturer. On the other hand, the IETF has defined documentation addresses which many if not most writers of examples for YANG modules seem unaware of so if we add anything, I would add those. > > Tom Petch > > From: netmod <netmod-bounces@ietf.org> on behalf of Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> > Sent: 17 July 2020 20:25 > > - There was a request to add types for loopback addresses > (127.0.0.0/8 and ::1/128). > > - This is related to an effort to define a YANG module for MPLS LSP > Ping (RFC 8029) but the details are unclear, i.e., what is exactly > needed and how such a type will be used and whether there is a > common need for types for loopback addresses. > > - Proposal: do not add such types at this point in time > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Mon Jul 20 08:30:52 2020 Return-Path: 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<010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@email.amazonses.com> Message-ID: <010001736e8484b6-ffce5655-895a-4d5e-93f6-67df832b829e-000000@email.amazonses.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SES-Outgoing: 2020.07.20-54.240.8.31 Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/Wrbu-KSznsrO8Ze1742Tcp_GcN4> Subject: Re: [netmod] Preliminary agenda X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 23:17:30 -0000 --Apple-Mail=_F7C720D8-3206-4BB1-9B8D-9AD04BEE9C1C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii NETMOD WG. The agenda has been updated. Only the MeetEcho URLs changed. K. Agenda for the NETMOD 108 WG Session ------------------------------------- https://datatracker.ietf.org/meeting/108/materials/agenda-108-netmod Session: Thursday July 28th UTC: 14:10-15:50 WG Chairs: Kent Watsen (kent plus ietf at watsen dot net) Lou Berger (lberger at labs dot net) Joel Jaeggli (joelja at bogus dot com) Available During Session: ICS: = https://datatracker.ietf.org/meeting/108/sessions/netmod.ics Jabber: xmpp:netmod@jabber.ietf.org?join MeetEcho: = https://meetings.conf.meetecho.com/ietf108/?group=3Dnetmod Available During / After Session: Etherpad: https://etherpad.ietf.org/p/notes-ietf-108-netmod Slides: = https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.tgz Available After Session: Recording: = https://ietf108.conf.meetecho.com/index.php/Recordings#NETMOD Jabber Logs: https://www.ietf.org/jabber/logs/netmod Introduction Chairs (10 minutes) Session Intro & WG Status Chartered items: Update on: (5 min) - Sub-interface VLAN YANG Data Models - Common Interface Extension YANG Data Models https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-07 https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09 Rob Wilton Updated YANG Module Revision Handling (20 min) = https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versioning-01 Reshad Rahman or Balazs Lengyel YANG Semantic Versioning (15 min) https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01 Joe Clarke Non-Chartered items: Telemetry Data Self Explanation Tags (10 min) https://tools.ietf.org/html/draft-tao-netmod-yang-node-tags-03 Qin Wu Remaining 40 min. --Apple-Mail=_F7C720D8-3206-4BB1-9B8D-9AD04BEE9C1C Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii <html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = line-break: after-white-space;" class=3D"">NETMOD WG.<br class=3D""><br = class=3D"">The agenda has been updated.  Only the MeetEcho URLs = changed.<br class=3D""><br class=3D"">K.<br class=3D""><br class=3D""><br = class=3D""><font face=3D"Menlo" class=3D""><br class=3D"">Agenda for the = NETMOD 108 WG Session<br = class=3D"">-------------------------------------<br class=3D""><a = href=3D"https://datatracker.ietf.org/meeting/108/materials/agenda-108-netm= od" = class=3D"">https://datatracker.ietf.org/meeting/108/materials/agenda-108-n= etmod</a><br class=3D""><br class=3D""><br class=3D"">Session:<br = class=3D"">   Thursday July 28th<br class=3D"">  =  UTC: 14:10-15:50<br class=3D""><br class=3D""><br class=3D"">WG = Chairs:<br class=3D"">   Kent Watsen (kent plus ietf at watsen = dot net)<br class=3D"">   Lou Berger (lberger at labs dot = net)<br class=3D"">   Joel Jaeggli (joelja at bogus dot = com)<br class=3D""><br class=3D""><br class=3D"">Available During = Session:<br class=3D"">   ICS:         =   https://datatracker.ietf.org/meeting/108/sessions/netmod.ics<br = class=3D"">   Jabber:       =  xmpp:netmod@jabber.ietf.org?join<br class=3D"">  =  MeetEcho:     =  https://meetings.conf.meetecho.com/ietf108/?group=3Dnetmod<br = class=3D""><br class=3D""><br class=3D"">Available During / After = Session:<br class=3D"">   Etherpad:     = https://etherpad.ietf.org/p/notes-ietf-108-netmod<br class=3D"">  =  Slides:       = https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.tgz<br = class=3D""><br class=3D""><br class=3D"">Available After Session:<br = class=3D"">   Recording:   =  https://ietf108.conf.meetecho.com/index.php/Recordings#NETMOD<br = class=3D"">   Jabber Logs: =  https://www.ietf.org/jabber/logs/netmod<br class=3D""><br = class=3D""><br class=3D"">Introduction<br class=3D""><br class=3D""> =  Chairs (10 minutes)<br class=3D"">   Session Intro = & WG Status<br class=3D""><br class=3D""><br class=3D"">Chartered = items:<br class=3D""><br class=3D"">   Update on: (5 min)<br = class=3D"">     - Sub-interface VLAN YANG Data Models<br = class=3D"">     - Common Interface Extension YANG Data = Models<br class=3D"">  =  https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-07= <br class=3D"">  =  https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09<br = class=3D"">   Rob Wilton<br class=3D""><br class=3D"">  =  Updated YANG Module Revision Handling (20 min)<br class=3D"">  =  https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versioning= -01<br class=3D"">   Reshad Rahman or Balazs Lengyel<br = class=3D""><br class=3D"">   YANG Semantic Versioning (15 = min)<br class=3D"">  =  https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01<br = class=3D"">   Joe Clarke<br class=3D""><br class=3D""><br = class=3D"">Non-Chartered items:<br class=3D""><br class=3D"">  =  Telemetry Data Self Explanation Tags (10 min)<br class=3D"">  =  https://tools.ietf.org/html/draft-tao-netmod-yang-node-tags-03<br = class=3D"">   Qin Wu<br class=3D""><br class=3D""><br = class=3D""><br class=3D"">Remaining 40 min.<br class=3D""><br = class=3D""></font><br class=3D""></body></html>= --Apple-Mail=_F7C720D8-3206-4BB1-9B8D-9AD04BEE9C1C-- From nobody Mon Jul 20 16:23:01 2020 Return-Path: <010001736e899172-9a277313-c1b2-4b51-84d5-002eb5c91db0-000000@amazonses.watsen.net> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2DBFA3A0979 for <netmod@ietfa.amsl.com>; 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a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1595287376; h=From:Content-Type:Mime-Version:Subject:Date:References:To:In-Reply-To:Message-Id:Feedback-ID; bh=dGXZzK1jCNAuN+FIvHXELLcQgtuzcG1Ioe3vP+d6SMw=; b=Cns08X4t9KJq4/uGVmZza8rLMzbFq5ERjSsLNVoYzwHf1HELCutlRbwmRNWz0kqZ ltbfeaBpdGZQ9aGYQxpNRbfquNR+8apW5PixkZMiFrWrmSGiBBn3v68q6Bn+cSaG5rF k+/TV97oa/gzX5+itl1qjiS/qd6QnhpDS2SYS7sg= From: Kent Watsen <kent+ietf@watsen.net> Content-Type: multipart/alternative; boundary="Apple-Mail=_4A021D82-89D7-478E-A40A-7EE4F83D2744" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Mon, 20 Jul 2020 23:22:56 +0000 References: <159321547899.12018.9636080960886369588@ietfa.amsl.com> <01000173013634de-b2d4113b-6478-4b50-975f-994a471d89fb-000000@email.amazonses.com> <0100017310408090-8082a1e3-6c7d-4776-9f0d-f95ef6386a12-000000@email.amazonses.com> To: "netmod@ietf.org" <netmod@ietf.org> In-Reply-To: <0100017310408090-8082a1e3-6c7d-4776-9f0d-f95ef6386a12-000000@email.amazonses.com> Message-ID: <010001736e899172-9a277313-c1b2-4b51-84d5-002eb5c91db0-000000@email.amazonses.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SES-Outgoing: 2020.07.20-54.240.8.33 Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/sg3X88Y1x4-bCBLdIhztMg3erl0> Subject: Re: [netmod] Call to presentations (was: Fwd: IETF 108 Preliminary Agenda) X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 20 Jul 2020 23:22:59 -0000 --Apple-Mail=_4A021D82-89D7-478E-A40A-7EE4F83D2744 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 IETF 108 Presenters, Please send a first draft of your presentations by Monday (a week from = today), and plan to send the final version by Wednesday. Thanks you, NETMOD Chairs=20 > On Jul 2, 2020, at 11:58 AM, Kent Watsen <kent+ietf@watsen.net> wrote: >=20 > [changing the Subject line for better visibility] >=20 >=20 > All, please see the message below. >=20 > For those that already submitted requests, there is no need to submit = again. >=20 >=20 > NETMOD Chairs >=20 >=20 >=20 >=20 >> On Jun 29, 2020, at 1:53 PM, Kent Watsen <kent@watsen.net = <mailto:kent@watsen.net>> wrote: >>=20 >> NETMOD WG, >>=20 >> According to the preliminary agenda (see below), NETMOD is scheduled = to meet for 100-minutes on Tuesday, July 28th from 11:00-12:40 UTC. >>=20 >> If you are interested in presenting to the WG, please send your = presentation requests to the "netmod-chairs" alias (CC-ed) with the = following information, for each presentation request, if more than one: >>=20 >> - name of the drafts (if any) >> - name of presentation (usually the title of the draft) >> - name of the presenter(s) >> - desired time request (in minutes) >>=20 >>=20 >> Authors, per=C2=A0the 108 Important Dates page = <https://datatracker.ietf.org/meeting/108/important-dates>, the draft = submission cutoff is in two weeks, on Monday July 13th. Please be sure = to update your drafts before then. >>=20 >> NETMOD Chairs >>=20 >>=20 >>> Begin forwarded message: >>>=20 >>> From: IETF Agenda <agenda@ietf.org <mailto:agenda@ietf.org>> >>> Subject: IETF 108 Preliminary Agenda >>> Date: June 26, 2020 at 7:51:19 PM EDT >>> To: "IETF Announcement List" <ietf-announce@ietf.org = <mailto:ietf-announce@ietf.org>> >>> Cc: 108all@ietf.org <mailto:108all@ietf.org>, ietf@ietf.org = <mailto:ietf@ietf.org> >>> Reply-To: agenda@ietf.org <mailto:agenda@ietf.org> >>>=20 >>> The IETF 108 Preliminary Agenda has been posted. The final agenda = will be published on Thursday, July 3, 2020. >>>=20 >>> https://datatracker.ietf.org/meeting/108/agenda.html = <https://datatracker.ietf.org/meeting/108/agenda.html> >>> https://datatracker.ietf.org/meeting/108/agenda.txt = <https://datatracker.ietf.org/meeting/108/agenda.txt> >>>=20 >>> The preliminary agenda includes all planned WG, RG, and ANRW = sessions. We are still finalizing details for a few of our usual = meeting-adjacent events, so please look out for further details about = those. Information about side meeting signups will be available when the = final agenda is posted. >>>=20 >>> IETF 108 Information: https://www.ietf.org/how/meetings/108/ >>> Register online at: https://registration.ietf.org/108/ >>>=20 >>> Don=E2=80=99t forget to register for these exciting IETF 108 events! >>>=20 >>>=20 >>> Hackathon=20 >>> Signup: https://registration.ietf.org/108/new/hackathon/ >>> More information: = https://www.ietf.org/how/runningcode/hackathons/108-hackathon/ >>> Keep up to date by subscribing to:=20 >>> https://www.ietf.org/mailman/listinfo/hackathon >>>=20 >>>=20 >>> Code Sprint >>> More details coming soon! >>>=20 >>=20 >=20 --Apple-Mail=_4A021D82-89D7-478E-A40A-7EE4F83D2744 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><span= style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=3D"">IETF= 108 Presenters,</span><div class=3D"" style=3D"caret-color: rgb(0, 0, = 0); color: rgb(0, 0, 0);"><br class=3D""></div><div class=3D"" = style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);">Please send a = first draft of your presentations by Monday (a week from today), and = plan to send the final version by Wednesday.</div><div class=3D"" = style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><br = class=3D""></div><div class=3D"" style=3D"caret-color: rgb(0, 0, 0); = color: rgb(0, 0, 0);">Thanks you,</div><div class=3D"" = style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);">NETMOD = Chairs </div><div class=3D""><br class=3D""></div><div><br = class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On Jul = 2, 2020, at 11:58 AM, Kent Watsen <<a = href=3D"mailto:kent+ietf@watsen.net" = class=3D"">kent+ietf@watsen.net</a>> wrote:</div><br = class=3D"Apple-interchange-newline"><div class=3D""><meta = http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8" = class=3D""><div style=3D"word-wrap: break-word; -webkit-nbsp-mode: = space; line-break: after-white-space;" class=3D"">[changing the Subject = line for better visibility]<div class=3D""><br class=3D""></div><div = class=3D""><br class=3D""></div><div class=3D"">All, please see the = message below.</div><div class=3D""><br class=3D""></div><div = class=3D"">For those that already submitted requests, there is no need = to submit again.</div><div class=3D""><br class=3D""></div><div = class=3D""><br class=3D""></div><div class=3D"">NETMOD Chairs</div><div = class=3D""><br class=3D""><div class=3D""><br class=3D""></div><div = class=3D""><br class=3D""></div><div class=3D""><br class=3D""><blockquote= type=3D"cite" class=3D""><div class=3D"">On Jun 29, 2020, at 1:53 PM, = Kent Watsen <<a href=3D"mailto:kent@watsen.net" = class=3D"">kent@watsen.net</a>> wrote:</div><br = class=3D"Apple-interchange-newline"><div class=3D""><meta = http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8" = class=3D""><div style=3D"word-wrap: break-word; -webkit-nbsp-mode: = space; line-break: after-white-space;" class=3D""><div class=3D"">NETMOD = WG,</div><div class=3D""><br class=3D""></div><div class=3D"">According = to the preliminary agenda (see below), <span style=3D"caret-color: = rgb(0, 0, 0);" class=3D"">NETMOD</span> is scheduled to meet for = 100-minutes on Tuesday, July 28th from 11:00-12:40 UTC.</div><div = class=3D""><br class=3D""></div><div class=3D"">If you are interested in = presenting to the WG, please send your presentation requests to the = "netmod-chairs" alias (CC-ed) with the following information, for = each presentation request, if more than one:<br class=3D""><br = class=3D""> - name of the drafts (if any)<br class=3D""> - = name of presentation (usually the title of the draft)<br = class=3D""> - name of the presenter(s)<br class=3D""><div = class=3D""> - desired time request (in minutes)</div><div = class=3D""><br class=3D""></div><div class=3D""><br class=3D""></div><div = class=3D""><span style=3D"caret-color: rgb(0, 0, 0);" class=3D"">Authors, = per</span><a = href=3D"https://datatracker.ietf.org/meeting/108/important-dates" = class=3D""> the 108 Important Dates page</a><span = style=3D"caret-color: rgb(0, 0, 0);" class=3D"">, the draft submission = cutoff is in two weeks, </span><span style=3D"caret-color: rgb(0, = 0, 0);" class=3D"">on Monday July 13th.  Please be sure to update = your drafts before then.</span><div style=3D"caret-color: rgb(0, 0, 0);" = class=3D""><br class=3D""></div></div><div style=3D"caret-color: rgb(0, = 0, 0);" class=3D"">NETMOD Chairs</div></div><div style=3D"caret-color: = rgb(0, 0, 0);" class=3D""><br class=3D""></div><div class=3D""><br = class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">Begin = forwarded message:</div><br class=3D"Apple-interchange-newline"><div = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px;" class=3D""><span style=3D"font-family: = -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;" = class=3D""><b class=3D"">From: </b></span><span style=3D"font-family: = -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" = class=3D"">IETF Agenda <<a href=3D"mailto:agenda@ietf.org" = class=3D"">agenda@ietf.org</a>><br class=3D""></span></div><div = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px;" class=3D""><span style=3D"font-family: = -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;" = class=3D""><b class=3D"">Subject: </b></span><span style=3D"font-family: = -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=3D""><b= class=3D"">IETF 108 Preliminary Agenda</b><br = class=3D""></span></div><div style=3D"margin-top: 0px; margin-right: = 0px; margin-bottom: 0px; margin-left: 0px;" class=3D""><span = style=3D"font-family: -webkit-system-font, "Helvetica Neue", = Helvetica, sans-serif;" class=3D""><b class=3D"">Date: </b></span><span = style=3D"font-family: -webkit-system-font, Helvetica Neue, Helvetica, = sans-serif;" class=3D"">June 26, 2020 at 7:51:19 PM EDT<br = class=3D""></span></div><div style=3D"margin-top: 0px; margin-right: = 0px; margin-bottom: 0px; margin-left: 0px;" class=3D""><span = style=3D"font-family: -webkit-system-font, "Helvetica Neue", = Helvetica, sans-serif;" class=3D""><b class=3D"">To: </b></span><span = style=3D"font-family: -webkit-system-font, Helvetica Neue, Helvetica, = sans-serif;" class=3D"">"IETF Announcement List" <<a = href=3D"mailto:ietf-announce@ietf.org" = class=3D"">ietf-announce@ietf.org</a>><br class=3D""></span></div><div = style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; = margin-left: 0px;" class=3D""><span style=3D"font-family: = -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;" = class=3D""><b class=3D"">Cc: </b></span><span style=3D"font-family: = -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=3D""><a= href=3D"mailto:108all@ietf.org" class=3D"">108all@ietf.org</a>, <a = href=3D"mailto:ietf@ietf.org" class=3D"">ietf@ietf.org</a><br = class=3D""></span></div><div style=3D"margin-top: 0px; margin-right: = 0px; margin-bottom: 0px; margin-left: 0px;" class=3D""><span = style=3D"font-family: -webkit-system-font, "Helvetica Neue", = Helvetica, sans-serif;" class=3D""><b class=3D"">Reply-To: = </b></span><span style=3D"font-family: -webkit-system-font, Helvetica = Neue, Helvetica, sans-serif;" class=3D""><a = href=3D"mailto:agenda@ietf.org" class=3D"">agenda@ietf.org</a><br = class=3D""></span></div><br class=3D""><div class=3D""><div class=3D"">The= IETF 108 Preliminary Agenda has been posted. The final agenda will be = published on Thursday, July 3, 2020.<br class=3D""><br class=3D""><a = href=3D"https://datatracker.ietf.org/meeting/108/agenda.html" = class=3D"">https://datatracker.ietf.org/meeting/108/agenda.html</a><br = class=3D""><a href=3D"https://datatracker.ietf.org/meeting/108/agenda.txt"= class=3D"">https://datatracker.ietf.org/meeting/108/agenda.txt</a><br = class=3D""><br class=3D"">The preliminary agenda includes all planned = WG, RG, and ANRW sessions. We are still finalizing details for a few of = our usual meeting-adjacent events, so please look out for further = details about those. Information about side meeting signups will be = available when the final agenda is posted.<br class=3D""><br = class=3D"">IETF 108 Information: <a = href=3D"https://www.ietf.org/how/meetings/108/" = class=3D"">https://www.ietf.org/how/meetings/108/</a><br = class=3D"">Register online at: <a = href=3D"https://registration.ietf.org/108/" = class=3D"">https://registration.ietf.org/108/</a><br class=3D""><br = class=3D"">Don=E2=80=99t forget to register for these exciting IETF 108 = events!<br class=3D""><br class=3D""><br class=3D"">Hackathon <br = class=3D""><span class=3D"Apple-tab-span" style=3D"white-space:pre"> = </span>Signup: <a = href=3D"https://registration.ietf.org/108/new/hackathon/" = class=3D"">https://registration.ietf.org/108/new/hackathon/</a><br = class=3D""><span class=3D"Apple-tab-span" style=3D"white-space:pre"> = </span>More information: <a = href=3D"https://www.ietf.org/how/runningcode/hackathons/108-hackathon/" = class=3D"">https://www.ietf.org/how/runningcode/hackathons/108-hackathon/<= /a><br class=3D""><span class=3D"Apple-tab-span" = style=3D"white-space:pre"> </span>Keep up to date by subscribing = to: <br class=3D""><span class=3D"Apple-tab-span" = style=3D"white-space:pre"> </span><a = href=3D"https://www.ietf.org/mailman/listinfo/hackathon" = class=3D"">https://www.ietf.org/mailman/listinfo/hackathon</a><br = class=3D""><br class=3D""><br class=3D"">Code Sprint<br class=3D""><span = class=3D"Apple-tab-span" style=3D"white-space:pre"> </span>More = details coming soon!<br class=3D""><br = class=3D""></div></div></blockquote></div><br = class=3D""></div></div></blockquote></div><br = class=3D""></div></div></div></blockquote></div><br = class=3D""></body></html>= --Apple-Mail=_4A021D82-89D7-478E-A40A-7EE4F83D2744-- From nobody Tue Jul 21 12:44:43 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 62E0D3A085F for <netmod@ietfa.amsl.com>; 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Tue, 21 Jul 2020 21:44:36 +0200 (CEST) Date: Tue, 21 Jul 2020 21:44:34 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87ft9mzhe0.fsf@nic.cz> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/zP04NcBJ9xJhcy9hG062RQt8VEQ> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Tue, 21 Jul 2020 19:44:42 -0000 On Mon, Jul 20, 2020 at 11:04:55AM +0200, Ladislav Lhotka wrote: > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > > > - Lada suggested to replace the inet:domain-name usage in > > the union with a new host-name definition that follows > > the NR-LDH definition in RFC 5890. > > > > - Unclear which problem is fixed and how this works from a > > backwards compatibility perspective. > > > > - See the thread '6991bis: host' in your private list archive > > (I can't find it in the IETF archive) > > > > - I can't tell for sure that Lada's proposal is (i) correct and (ii) > > not breaking anything > > > > - Proposal: ? > > Maybe it is better to basically keep the existing inet:domain name for use e.g. in host names that appear in all kinds of non-DNS configuration, and leave the definition of a domain name type appropriate for use in DNS zone data etc. to DNSOP WG. > > So my proposal is to only modify the description accordingly, and in particular remove the comment about the use in A/AAAA/SRV resource records, because the existing type isn't really suitable for this purpose. > Can you please send OLD NEW text? I do not really see what needs changes. Note that this type definition gets tweaked everytime by IESG members as well. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Wed Jul 22 00:00:13 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2BC833A0E8A for <netmod@ietfa.amsl.com>; Wed, 22 Jul 2020 00:00:11 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id an0B1AZy2Tmw for <netmod@ietfa.amsl.com>; Wed, 22 Jul 2020 00:00:09 -0700 (PDT) Received: from trail.lhotka.name (trail.lhotka.name [77.48.224.143]) by ietfa.amsl.com (Postfix) with ESMTP id 084D13A0E88 for <netmod@ietf.org>; Wed, 22 Jul 2020 00:00:07 -0700 (PDT) Received: by trail.lhotka.name (Postfix, from userid 109) id 68D4B8600C7; Wed, 22 Jul 2020 08:51:49 +0200 (CEST) Received: from localhost (nat-1.nic.cz [217.31.205.1]) by trail.lhotka.name (Postfix) with ESMTPSA id DCE3B860051; Wed, 22 Jul 2020 08:51:30 +0200 (CEST) From: Ladislav Lhotka <ladislav.lhotka@nic.cz> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org In-Reply-To: <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> Mail-Followup-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org Date: Wed, 22 Jul 2020 08:59:45 +0200 Message-ID: <87y2nc6nmm.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/KVmjSTi7OYKwLivrzVEi-4MC-Fc> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 22 Jul 2020 07:00:11 -0000 Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > On Mon, Jul 20, 2020 at 11:04:55AM +0200, Ladislav Lhotka wrote: >> Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: >> >> > - Lada suggested to replace the inet:domain-name usage in >> > the union with a new host-name definition that follows >> > the NR-LDH definition in RFC 5890. >> > >> > - Unclear which problem is fixed and how this works from a >> > backwards compatibility perspective. >> > >> > - See the thread '6991bis: host' in your private list archive >> > (I can't find it in the IETF archive) >> > >> > - I can't tell for sure that Lada's proposal is (i) correct and (ii) >> > not breaking anything >> > >> > - Proposal: ? >> >> Maybe it is better to basically keep the existing inet:domain name for use e.g. in host names that appear in all kinds of non-DNS configuration, and leave the definition of a domain name type appropriate for use in DNS zone data etc. to DNSOP WG. >> >> So my proposal is to only modify the description accordingly, and in particular remove the comment about the use in A/AAAA/SRV resource records, because the existing type isn't really suitable for this purpose. >> > > Can you please send OLD NEW text? I do not really see what needs > changes. Note that this type definition gets tweaked everytime by IESG > members as well. We actually agreed on NEW already here: https://mailarchive.ietf.org/arch/msg/netmod/FYMAQSJQsPiPSkWTs4lOWIgM2bI/ Lada > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Wed Jul 22 02:54:05 2020 Return-Path: <ietfc@btconnect.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AC32E3A08AE for <netmod@ietfa.amsl.com>; Wed, 22 Jul 2020 02:54:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR07MB6248.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8121b308-11ae-433d-f447-08d82e2528c6 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Jul 2020 09:54:00.4455 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: +c1PEtqGhrEpE1DO7d5D/SNPSs48O2wSFqynjQal6Hwa09BzTNQol+pbBcxSHuKlGRx9aBDpWNneb76MYaI6TQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM5PR0701MB2835 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/EML2oSd2O1ogKsEAv8QQERXVktE> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 22 Jul 2020 09:54:05 -0000 From: netmod <netmod-bounces@ietf.org> on behalf of Juergen Schoenwaelder <= j.schoenwaelder@jacobs-university.de>=0A= Sent: 21 July 2020 20:44=0A= =0A= On Mon, Jul 20, 2020 at 11:04:55AM +0200, Ladislav Lhotka wrote:=0A= > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes:=0A= >=0A= > > - Lada suggested to replace the inet:domain-name usage in=0A= > > the union with a new host-name definition that follows=0A= > > the NR-LDH definition in RFC 5890.=0A= > >=0A= > > - Unclear which problem is fixed and how this works from a=0A= > > backwards compatibility perspective.=0A= > >=0A= > > - See the thread '6991bis: host' in your private list archive=0A= > > (I can't find it in the IETF archive)=0A= =0A= Try the NETMOD WG list archive 21 July 2019=0A= =0A= Tom Petch=0A= =0A= > >=0A= > > - I can't tell for sure that Lada's proposal is (i) correct and (ii)= =0A= > > not breaking anything=0A= > >=0A= > > - Proposal: ?=0A= >=0A= > Maybe it is better to basically keep the existing inet:domain name for us= e e.g. in host names that appear in all kinds of non-DNS configuration, and= leave the definition of a domain name type appropriate for use in DNS zone= data etc. to DNSOP WG.=0A= >=0A= > So my proposal is to only modify the description accordingly, and in part= icular remove the comment about the use in A/AAAA/SRV resource records, bec= ause the existing type isn't really suitable for this purpose.=0A= >=0A= =0A= Can you please send OLD NEW text? I do not really see what needs=0A= changes. Note that this type definition gets tweaked everytime by IESG=0A= members as well.=0A= =0A= /js=0A= =0A= --=0A= Juergen Schoenwaelder Jacobs University Bremen gGmbH=0A= Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany=0A= Fax: +49 421 200 3103 <https://www.jacobs-university.de/>=0A= =0A= _______________________________________________=0A= netmod mailing list=0A= netmod@ietf.org=0A= https://www.ietf.org/mailman/listinfo/netmod=0A= From nobody Wed Jul 22 04:00:45 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C053A3A07AF for <netmod@ietfa.amsl.com>; Wed, 22 Jul 2020 04:00:36 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eBbYQ0jVpl8C for <netmod@ietfa.amsl.com>; Wed, 22 Jul 2020 04:00:34 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6B0883A079E for <netmod@ietf.org>; Wed, 22 Jul 2020 04:00:34 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 4B5D169B; Wed, 22 Jul 2020 13:00:32 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id vx9DWp77B1Qo; Wed, 22 Jul 2020 13:00:31 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Wed, 22 Jul 2020 13:00:31 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id A53DC20156; Wed, 22 Jul 2020 13:00:31 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id 6S3mBVn6mpe6; Wed, 22 Jul 2020 13:00:31 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 33B6E200E4; Wed, 22 Jul 2020 13:00:31 +0200 (CEST) Date: Wed, 22 Jul 2020 13:00:30 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: tom petch <ietfc@btconnect.com> Cc: "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/wW6RwWDfZpCaJbqpulrmOouvve4> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 22 Jul 2020 11:00:37 -0000 Tom, my understanding is that Lada is now proposing something slightly different but I am not sure what exactly, hence I asked again. /js On Wed, Jul 22, 2020 at 09:54:00AM +0000, tom petch wrote: > From: netmod <netmod-bounces@ietf.org> on behalf of Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> > Sent: 21 July 2020 20:44 > > On Mon, Jul 20, 2020 at 11:04:55AM +0200, Ladislav Lhotka wrote: > > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > > > > > - Lada suggested to replace the inet:domain-name usage in > > > the union with a new host-name definition that follows > > > the NR-LDH definition in RFC 5890. > > > > > > - Unclear which problem is fixed and how this works from a > > > backwards compatibility perspective. > > > > > > - See the thread '6991bis: host' in your private list archive > > > (I can't find it in the IETF archive) > > Try the NETMOD WG list archive 21 July 2019 > > Tom Petch > > > > > > > - I can't tell for sure that Lada's proposal is (i) correct and (ii) > > > not breaking anything > > > > > > - Proposal: ? > > > > Maybe it is better to basically keep the existing inet:domain name for use e.g. in host names that appear in all kinds of non-DNS configuration, and leave the definition of a domain name type appropriate for use in DNS zone data etc. to DNSOP WG. > > > > So my proposal is to only modify the description accordingly, and in particular remove the comment about the use in A/AAAA/SRV resource records, because the existing type isn't really suitable for this purpose. > > > > Can you please send OLD NEW text? I do not really see what needs > changes. Note that this type definition gets tweaked everytime by IESG > members as well. > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Wed Jul 22 04:46:48 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CB31F3A088F for <netmod@ietfa.amsl.com>; Wed, 22 Jul 2020 04:46:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=nic.cz Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Xll8g1WL_QC8 for <netmod@ietfa.amsl.com>; Wed, 22 Jul 2020 04:46:44 -0700 (PDT) Received: from mail.nic.cz (mail.nic.cz [IPv6:2001:1488:800:400::400]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 114753A07CE for <netmod@ietf.org>; Wed, 22 Jul 2020 04:46:42 -0700 (PDT) Received: from [IPv6:2001:1488:fffe:6:a88f:7eff:fed2:45f8] (unknown [IPv6:2001:1488:fffe:6:a88f:7eff:fed2:45f8]) by mail.nic.cz (Postfix) with ESMTPSA id 173A513FEBC; Wed, 22 Jul 2020 13:46:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1595418399; bh=bc/eBSfx+s+m+KE9Q8++N+bWffyiQasleJdgs3EeDj0=; h=To:From:Date; b=Ave6CRDBuP94bz2iQ/BeQunKa9bUYfs1xzRBsSYD2cdBgtmP0m8LxP578wihs+xe7 NnvYL/530gR0YH+KVNg9giT+De8bXwOHYXBfrURBOH/Y3UMrLTXxJaTU2OQf1pT3dx Kf7P3qWOXtk0HcDKmVkGydOi44tllRRi3euZDEUU= To: tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> From: Ladislav Lhotka <ladislav.lhotka@nic.cz> Autocrypt: addr=ladislav.lhotka@nic.cz; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.102.2 at mail X-Virus-Status: Clean Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/IDX9W4sKQYWlEc9Hpj0532YLNj0> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 22 Jul 2020 11:46:47 -0000 On 22. 07. 20 13:00, Juergen Schoenwaelder wrote: > Tom, > > my understanding is that Lada is now proposing something slightly > different but I am not sure what exactly, hence I asked again. Oh yes, I messed it up by mixing different things together, sorry. I checked again the ML archive, and the message that is relevant to this thread is this: https://mailarchive.ietf.org/arch/msg/netmod/PISOifrtow4oWLGW7meBBSri7nM/ The aim of that proposal was to limit the "inet:host" type to DNS names that are reasonable as host names, i.e. eliminate values like "." or "_". Lada > > /js > > On Wed, Jul 22, 2020 at 09:54:00AM +0000, tom petch wrote: >> From: netmod <netmod-bounces@ietf.org> on behalf of Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> >> Sent: 21 July 2020 20:44 >> >> On Mon, Jul 20, 2020 at 11:04:55AM +0200, Ladislav Lhotka wrote: >>> Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: >>> >>>> - Lada suggested to replace the inet:domain-name usage in >>>> the union with a new host-name definition that follows >>>> the NR-LDH definition in RFC 5890. >>>> >>>> - Unclear which problem is fixed and how this works from a >>>> backwards compatibility perspective. >>>> >>>> - See the thread '6991bis: host' in your private list archive >>>> (I can't find it in the IETF archive) >> >> Try the NETMOD WG list archive 21 July 2019 >> >> Tom Petch >> >>>> >>>> - I can't tell for sure that Lada's proposal is (i) correct and (ii) >>>> not breaking anything >>>> >>>> - Proposal: ? >>> >>> Maybe it is better to basically keep the existing inet:domain name for use e.g. in host names that appear in all kinds of non-DNS configuration, and leave the definition of a domain name type appropriate for use in DNS zone data etc. to DNSOP WG. >>> >>> So my proposal is to only modify the description accordingly, and in particular remove the comment about the use in A/AAAA/SRV resource records, because the existing type isn't really suitable for this purpose. >>> >> >> Can you please send OLD NEW text? I do not really see what needs >> changes. Note that this type definition gets tweaked everytime by IESG >> members as well. >> >> /js >> >> -- >> Juergen Schoenwaelder Jacobs University Bremen gGmbH >> Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany >> Fax: +49 421 200 3103 <https://www.jacobs-university.de/> >> >> _______________________________________________ >> netmod mailing list >> netmod@ietf.org >> https://www.ietf.org/mailman/listinfo/netmod > -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Thu Jul 23 07:54:02 2020 Return-Path: <010001737c2aab5e-99a5ad19-0cca-4277-a81d-2b6f7023a772-000000@amazonses.watsen.net> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BCE9C3A081F for <netmod@ietfa.amsl.com>; Thu, 23 Jul 2020 07:54:00 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.907 X-Spam-Level: X-Spam-Status: No, score=-2.907 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=amazonses.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id S3nvbTSZJJkx for <netmod@ietfa.amsl.com>; Thu, 23 Jul 2020 07:53:59 -0700 (PDT) Received: from a48-90.smtp-out.amazonses.com (a48-90.smtp-out.amazonses.com [54.240.48.90]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 51CFC3A0816 for <netmod@ietf.org>; Thu, 23 Jul 2020 07:53:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1595516038; h=From:Content-Type:Content-Transfer-Encoding:Mime-Version:Subject:Date:References:To:In-Reply-To:Message-Id:Feedback-ID; bh=PIEa0Jg6LZULceZYBAzGtkDn6MlSMAbwXxz5xc/o5Hc=; b=GZOsDMxUrQwh2J4D3nVvmjzjjNrlm8mGQaC0t+mX5ZoxzyphGIwoLjp5SAmShxZE fGOW7iTPTR3tKWWB8r40TB2CT65qb+pbDtysUHixr4rW+nbE6Qg5NKQjl1ksc4aMV5M tjnDDnmnd9tO9uipP+fdYIvMh4NhBxw4IRRNDSEQ= From: Kent Watsen <kent+ietf@watsen.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Thu, 23 Jul 2020 14:53:58 +0000 References: <010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@email.amazonses.com> <010001736e8484b6-ffce5655-895a-4d5e-93f6-67df832b829e-000000@email.amazonses.com> To: "netmod@ietf.org" <netmod@ietf.org> In-Reply-To: <010001736e8484b6-ffce5655-895a-4d5e-93f6-67df832b829e-000000@email.amazonses.com> Message-ID: <010001737c2aab5e-99a5ad19-0cca-4277-a81d-2b6f7023a772-000000@email.amazonses.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SES-Outgoing: 2020.07.23-54.240.48.90 Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/3cQNoIwbqU43CDTD3hzbr1yd8h0> Subject: Re: [netmod] Preliminary agenda X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 23 Jul 2020 14:54:01 -0000 NETMOD WG: The agenda has been updated. Added a 15-minute slot for = draft-ietf-netmod-rfc6991-bis. K. Agenda for the NETMOD 108 WG Session ------------------------------------- https://datatracker.ietf.org/meeting/108/materials/agenda-108-netmod Session: Thursday July 28th UTC: 14:10-15:50 WG Chairs: Kent Watsen (kent plus ietf at watsen dot net) Lou Berger (lberger at labs dot net) Joel Jaeggli (joelja at bogus dot com) Available During Session: ICS: = https://datatracker.ietf.org/meeting/108/sessions/netmod.ics MeetEcho: = https://meetings.conf.meetecho.com/ietf108/?group=3Dnetmod Jabber: xmpp:netmod@jabber.ietf.org?join Available During / After Session: Etherpad: https://etherpad.ietf.org/p/notes-ietf-108-netmod Slides (TGZ): = https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.tgz Slides (PDF): = https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.pdf Available After Session: Recording: = https://ietf108.conf.meetecho.com/index.php/Recordings#NETMOD Jabber Logs: https://www.ietf.org/jabber/logs/netmod Introduction Chairs (10 minutes) Session Intro & WG Status Chartered items: Update on: (5 min) - Sub-interface VLAN YANG Data Models - Common Interface Extension YANG Data Models https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-07 https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09 Rob Wilton Updated YANG Module Revision Handling (20 min) = https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versioning-01 Reshad Rahman or Balazs Lengyel YANG Semantic Versioning (15 min) https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01 Joe Clarke Common YANG Data Types (15 min) https://tools.ietf.org/html/draft-ietf-netmod-rfc6991-bis-04 Juergen Schoenwaelder Non-Chartered items: Telemetry Data Self Explanation Tags (10 min) https://tools.ietf.org/html/draft-tao-netmod-yang-node-tags-03 Qin Wu Remaining 25 min. From nobody Thu Jul 23 08:46:44 2020 Return-Path: <010001737c5ae568-58c56e67-5913-492d-8bd0-bdc34e9d6721-000000@amazonses.watsen.net> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8F5833A0A8D for <netmod@ietfa.amsl.com>; Thu, 23 Jul 2020 08:46:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=amazonses.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WiYiXMODUyqL for <netmod@ietfa.amsl.com>; Thu, 23 Jul 2020 08:46:41 -0700 (PDT) Received: from a48-95.smtp-out.amazonses.com (a48-95.smtp-out.amazonses.com [54.240.48.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 226603A0A69 for <netmod@ietf.org>; Thu, 23 Jul 2020 08:46:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1595519199; h=From:Content-Type:Mime-Version:Subject:Date:References:To:In-Reply-To:Message-Id:Feedback-ID; bh=JshcTuY9hdkZJTE83cQ46l86a6J4vTKMsEhneei0w9Y=; b=Uhgoc1jYRgFIl9jhX8acMCVZKDdpAX7MfRo3Q7qbMU49kV1hK1vm2jwut7hs3EZa cQ/WUL1UOGiIESsCik98icU9Dvd+qg52ZRl+AN13udoou64CMnsoJMLVa6ulCbrLyVN DGCXuAqzSIV6EMPIuFX145uEN8nNc9GH9D5eajUk= From: Kent Watsen <kent+ietf@watsen.net> Content-Type: multipart/alternative; boundary="Apple-Mail=_FB63EE58-FD4F-4AB1-84D9-40D3E2C2859E" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Thu, 23 Jul 2020 15:46:38 +0000 References: <010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@email.amazonses.com> <010001736e8484b6-ffce5655-895a-4d5e-93f6-67df832b829e-000000@email.amazonses.com> <010001737c2aab5e-99a5ad19-0cca-4277-a81d-2b6f7023a772-000000@email.amazonses.com> To: "netmod@ietf.org" <netmod@ietf.org> In-Reply-To: <010001737c2aab5e-99a5ad19-0cca-4277-a81d-2b6f7023a772-000000@email.amazonses.com> Message-ID: <010001737c5ae568-58c56e67-5913-492d-8bd0-bdc34e9d6721-000000@email.amazonses.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SES-Outgoing: 2020.07.23-54.240.48.95 Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/40FU5gkuKxxoTggUizFByd1rxwc> Subject: Re: [netmod] Preliminary agenda X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 23 Jul 2020 15:46:43 -0000 --Apple-Mail=_FB63EE58-FD4F-4AB1-84D9-40D3E2C2859E Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 NETMOD WG: The agenda has been updated again. Added a 5-minute slot for "General = Update on the YANG Versioning Solution=E2=80=9D Thanks, Kent Agenda for the NETMOD 108 WG Session ------------------------------------- https://datatracker.ietf.org/meeting/108/materials/agenda-108-netmod Session: Thursday July 28th UTC: 14:10-15:50 WG Chairs: Kent Watsen (kent plus ietf at watsen dot net) Lou Berger (lberger at labs dot net) Joel Jaeggli (joelja at bogus dot com) Available During Session: ICS: = https://datatracker.ietf.org/meeting/108/sessions/netmod.ics MeetEcho: = https://meetings.conf.meetecho.com/ietf108/?group=3Dnetmod Jabber: xmpp:netmod@jabber.ietf.org?join Available During / After Session: Etherpad: https://etherpad.ietf.org/p/notes-ietf-108-netmod Slides (TGZ): = https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.tgz Slides (PDF): = https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.pdf Available After Session: Recording: = https://ietf108.conf.meetecho.com/index.php/Recordings#NETMOD Jabber Logs: https://www.ietf.org/jabber/logs/netmod Introduction Chairs (10 minutes) Session Intro & WG Status Chartered items: Update on: (5 min) - Sub-interface VLAN YANG Data Models - Common Interface Extension YANG Data Models https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-07 https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09 Rob Wilton General Update on the YANG Versioning Solution (5 min) Reshad Rahman Updated YANG Module Revision Handling (20 min) = https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versioning-01 Reshad Rahman YANG Semantic Versioning (15 min) https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01 Joe Clarke Common YANG Data Types (15 min) https://tools.ietf.org/html/draft-ietf-netmod-rfc6991-bis-04 Juergen Schoenwaelder Non-Chartered items: Telemetry Data Self Explanation Tags (10 min) https://tools.ietf.org/html/draft-tao-netmod-yang-node-tags-03 Qin Wu Remaining 25 min. --Apple-Mail=_FB63EE58-FD4F-4AB1-84D9-40D3E2C2859E Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" = class=3D"">NETMOD WG:<br class=3D""><div><br class=3D""></div><div>The = agenda has been updated again.  Added a 5-minute slot for "<span = style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" = class=3D"">General Update on the YANG Versioning Solution</span><font = color=3D"#000000" class=3D""><span style=3D"caret-color: rgb(0, 0, 0);" = class=3D"">=E2=80=9D</span></font></div><div><span style=3D"caret-color: = rgb(0, 0, 0); color: rgb(0, 0, 0);" class=3D""><br = class=3D""></span></div><div><span style=3D"caret-color: rgb(0, 0, 0); = color: rgb(0, 0, 0);" class=3D"">Thanks,</span></div><div><span = style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" = class=3D"">Kent</span></div><div><span style=3D"caret-color: rgb(0, 0, = 0); color: rgb(0, 0, 0);" class=3D""><br = class=3D""></span></div><div><span style=3D"caret-color: rgb(0, 0, 0); = color: rgb(0, 0, 0);" class=3D""><br class=3D""></span></div><div><div><br= class=3D""></div><div>Agenda for the NETMOD 108 WG = Session</div><div>-------------------------------------</div><div><a = href=3D"https://datatracker.ietf.org/meeting/108/materials/agenda-108-netm= od" = class=3D"">https://datatracker.ietf.org/meeting/108/materials/agenda-108-n= etmod</a></div><div><br class=3D""></div><div><br = class=3D""></div><div>Session:</div><div>   Thursday July = 28th</div><div>   UTC: 14:10-15:50</div><div><br = class=3D""></div><div><br class=3D""></div><div>WG = Chairs:</div><div>   Kent Watsen (kent plus ietf at watsen dot = net)</div><div>   Lou Berger (lberger at labs dot = net)</div><div>   Joel Jaeggli (joelja at bogus dot = com)</div><div><br class=3D""></div><div><br = class=3D""></div><div>Available During Session:</div><div>  =  ICS:            <a = href=3D"https://datatracker.ietf.org/meeting/108/sessions/netmod.ics" = class=3D"">https://datatracker.ietf.org/meeting/108/sessions/netmod.ics</a= ></div><div>   MeetEcho:       <a = href=3D"https://meetings.conf.meetecho.com/ietf108/?group=3Dnetmod" = class=3D"">https://meetings.conf.meetecho.com/ietf108/?group=3Dnetmod</a><= /div><div>   Jabber:         <a = href=3D"xmpp:netmod@jabber.ietf.org?join" = class=3D"">xmpp:netmod@jabber.ietf.org?join</a></div><div><br = class=3D""></div><div><br class=3D""></div><div>Available During / After = Session:</div><div>   Etherpad:      <a = href=3D"https://etherpad.ietf.org/p/notes-ietf-108-netmod" = class=3D"">https://etherpad.ietf.org/p/notes-ietf-108-netmod</a></div><div= >   Slides (TGZ):  <a = href=3D"https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.tgz"= = class=3D"">https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.t= gz</a></div><div>   Slides (PDF):  <a = href=3D"https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.pdf"= = class=3D"">https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.p= df</a></div><div><br class=3D""></div><div><br = class=3D""></div><div>Available After Session:</div><div>  =  Recording:     <a = href=3D"https://ietf108.conf.meetecho.com/index.php/Recordings#NETMOD" = class=3D"">https://ietf108.conf.meetecho.com/index.php/Recordings#NETMOD</= a></div><div>   Jabber Logs:   <a = href=3D"https://www.ietf.org/jabber/logs/netmod" = class=3D"">https://www.ietf.org/jabber/logs/netmod</a></div><div><br = class=3D""></div><div><br class=3D""></div><div>Introduction</div><div><br= class=3D""></div><div>   Chairs (10 minutes)</div><div>  =  Session Intro & WG Status</div><div><br = class=3D""></div><div><br class=3D""></div><div>Chartered = items:</div><div><br class=3D""></div><div>   Update on: (5 = min)</div><div>     - Sub-interface VLAN YANG Data = Models</div><div>     - Common Interface Extension YANG = Data Models</div><div>   <a = href=3D"https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-= 07" = class=3D"">https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-mod= el-07</a></div><div>   <a = href=3D"https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09" = class=3D"">https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09<= /a></div><div>   Rob Wilton</div><div><br = class=3D""></div><div>   General Update on the YANG Versioning = Solution (5 min)</div><div>   Reshad Rahman</div><div><br = class=3D""></div><div>   Updated YANG Module Revision Handling = (20 min)</div><div>   <a = href=3D"https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versioni= ng-01" = class=3D"">https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versi= oning-01</a></div><div>   Reshad Rahman</div><div><br = class=3D""></div><div>   YANG Semantic Versioning (15 = min)</div><div>   <a = href=3D"https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01" = class=3D"">https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01</a= ></div><div>   Joe Clarke</div><div><br = class=3D""></div><div>   Common YANG Data Types (15 = min)</div><div>   <a = href=3D"https://tools.ietf.org/html/draft-ietf-netmod-rfc6991-bis-04" = class=3D"">https://tools.ietf.org/html/draft-ietf-netmod-rfc6991-bis-04</a= ></div><div>   Juergen Schoenwaelder</div><div><br = class=3D""></div><div>Non-Chartered items:</div><div><br = class=3D""></div><div>   Telemetry Data Self Explanation Tags = (10 min)</div><div>   <a = href=3D"https://tools.ietf.org/html/draft-tao-netmod-yang-node-tags-03" = class=3D"">https://tools.ietf.org/html/draft-tao-netmod-yang-node-tags-03<= /a></div><div>   Qin Wu</div><div><br class=3D""></div><div><br = class=3D""></div><div><br class=3D""></div><div>Remaining 25 = min.</div><div><br class=3D""></div><div><br = class=3D""></div></div></body></html>= --Apple-Mail=_FB63EE58-FD4F-4AB1-84D9-40D3E2C2859E-- From nobody Thu Jul 23 08:51:02 2020 Return-Path: <bclaise@cisco.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 14C243A0AA5; Thu, 23 Jul 2020 08:51:01 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.602 X-Spam-Level: X-Spam-Status: No, score=-9.602 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6uFbmne2E5u6; Thu, 23 Jul 2020 08:50:59 -0700 (PDT) Received: from aer-iport-1.cisco.com (aer-iport-1.cisco.com [173.38.203.51]) (using 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From: Benoit Claise <bclaise@cisco.com> Message-ID: <7ca61e83-8551-815e-2f6b-efdb7930bee9@cisco.com> Date: Thu, 23 Jul 2020 17:50:53 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <24cf37e7-bd2e-8ffe-d062-cf7bfbce6d2d@labn.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Authenticated-User: bclaise X-Outbound-SMTP-Client: 10.55.221.38, ams-bclaise-nitro5.cisco.com X-Outbound-Node: aer-core-1.cisco.com Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/3C-K4JaAgLnpAoPqcQAn59DFHYw> Subject: Re: [netmod] Regarding IPR on draft-tao-netmod-yang-node-tags-01 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 23 Jul 2020 15:51:01 -0000 Hi, "No, I'm not aware of any IPR that applies to this draft" Regards, B. > Authors, Contributors, WG, > > As part of preparation for WG Adoption: > > Are you aware of any IPR that applies to drafts identified above? > > Please state either: > > "No, I'm not aware of any IPR that applies to this draft" > or > "Yes, I'm aware of IPR that applies to this draft" > > If so, has this IPR been disclosed in compliance with IETF IPR rules > (see RFCs 3669, 5378 and 8179 for more details)? > > If yes to the above, please state either: > > "Yes, the IPR has been disclosed in compliance with IETF IPR rules" > or > "No, the IPR has not been disclosed" > > If you answer no, please provide any additional details you think > appropriate. > > We note that all DT members are listed as contributors.  If you > contributed to the document please respond.  Alternatively, please feel > free to state that you didn't materially contribute to the draft and > would like your name removed from the contribution section (and moved to > acknowledgments after WG adoption). > > If you are listed as a document author or contributor please answer the > above by responding to this email regardless of whether or not you are > aware of any relevant IPR. This document will not advance to the next > stage until a response has been received from each author. > > NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S TO LINES. > > If you are on the WG email list or attend WG meetings but are not listed > as an author or contributor, we remind you of your obligations under > the IETF IPR rules which encourages you to notify the IETF if you are > aware of IPR of others on an IETF contribution, or to refrain from > participating in any contribution or discussion related to your > undisclosed IPR. For more information, please see the RFCs listed above > and > http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty. > > Thank you, > NetMod WG Chairs > > PS Please include all listed in the headers of this message in your > response. > > > > . From nobody Fri Jul 24 01:36:26 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B546F3A0BD5 for <netmod@ietfa.amsl.com>; Fri, 24 Jul 2020 01:36:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id x3kcaRm1K1Tw for <netmod@ietfa.amsl.com>; Fri, 24 Jul 2020 01:36:22 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 43F853A0BD4 for <netmod@ietf.org>; Fri, 24 Jul 2020 01:36:22 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 531FD69B; Fri, 24 Jul 2020 10:36:20 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id zTzq8pnkPK2z; Fri, 24 Jul 2020 10:36:20 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Fri, 24 Jul 2020 10:36:19 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id CF3C620154; Fri, 24 Jul 2020 10:36:19 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id fIxJi8haOlDC; Fri, 24 Jul 2020 10:36:19 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 520F6200E4; Fri, 24 Jul 2020 10:36:18 +0200 (CEST) Date: Fri, 24 Jul 2020 10:36:17 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Ladislav Lhotka <ladislav.lhotka@nic.cz> Cc: tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Ladislav Lhotka <ladislav.lhotka@nic.cz>, tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/4Q5dCbmWyil_4vtOWPwP0jWMeuk> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 24 Jul 2020 08:36:25 -0000 On Wed, Jul 22, 2020 at 01:46:38PM +0200, Ladislav Lhotka wrote: > > > On 22. 07. 20 13:00, Juergen Schoenwaelder wrote: > > Tom, > > > > my understanding is that Lada is now proposing something slightly > > different but I am not sure what exactly, hence I asked again. > > Oh yes, I messed it up by mixing different things together, sorry. I > checked again the ML archive, and the message that is relevant to this > thread is this: > > https://mailarchive.ietf.org/arch/msg/netmod/PISOifrtow4oWLGW7meBBSri7nM/ > > The aim of that proposal was to limit the "inet:host" type to DNS names > that are reasonable as host names, i.e. eliminate values like "." or "_". You are proposing to change the length restriction from 1..253 to 2..253 following RFC 952: [...] Single character names or nicknames are not allowed. And you add pattern '(.*\.)?..\-\-.*' { modifier invert-match; } to restrict things to non-reserved letter-digit-hyphen labels as per RFC 5890. Is it clear that this second restriction applies to host names? How do you represent internationalized host names? Perhaps we need a collection of examples? And is the pattern correct? RFC 5890 says: Reserved LDH labels, known as "tagged domain names" in some other contexts, have the property that they contain "--" in the third and fourth characters but which otherwise conform to LDH label rules. What is the '(.*\.)?' part doing in your pattern? Finally, would it be useful to derive a host-name type from the domain-name type (if host-names are really a strict subset of what domain-name allows), e.g.: typedef host-name { type domain-name { pattern '(.*\.)?..\-\-.*' { modifier invert-match; } length "2..max"; } description "Host names must be at least two characters long (see RFC 952) and they are restricted to non-reserved letter-digit-hyphen (NR-LDH) labels (see RFC ????)."; reference "RFC 952: DoD Internet Host Table Specification RFC ????: ????"; } /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 24 01:43:44 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BDE183A0BFC for <netmod@ietfa.amsl.com>; Fri, 24 Jul 2020 01:43:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cBB-8NA_QEq1 for <netmod@ietfa.amsl.com>; 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Fri, 24 Jul 2020 10:43:38 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 8B5FC20154; Fri, 24 Jul 2020 10:43:38 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id 0amnKGbf7NCm; Fri, 24 Jul 2020 10:43:38 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 3D3ED200E4; Fri, 24 Jul 2020 10:43:38 +0200 (CEST) Date: Fri, 24 Jul 2020 10:43:38 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Ladislav Lhotka <ladislav.lhotka@nic.cz>, tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200724084338.7i52xif5oja6mhpm@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Ladislav Lhotka <ladislav.lhotka@nic.cz>, tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/A2cUU6qfvlGOox0S4TAUpZeRFyE> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 24 Jul 2020 08:43:43 -0000 On Fri, Jul 24, 2020 at 10:36:17AM +0200, Juergen Schoenwaelder wrote: > > What is the '(.*\.)?' part doing in your pattern? > OK, I figured it out, the NR-LDH label and be in anywhere in the sequence of labels. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 24 02:40:30 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 101353A0DC3 for <netmod@ietfa.amsl.com>; 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Fri, 24 Jul 2020 11:40:24 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Fri, 24 Jul 2020 11:40:24 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 9F44020154; Fri, 24 Jul 2020 11:40:24 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id ZmIelsmT-pGl; Fri, 24 Jul 2020 11:40:24 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 10EC8200E4; Fri, 24 Jul 2020 11:40:24 +0200 (CEST) Date: Fri, 24 Jul 2020 11:40:23 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Andy Bierman <andy@yumaworks.com> Cc: Vladimir Vassilev <vladimir@lightside-instruments.com>, "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200724094023.u5gqt6fnfjjtjktm@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Andy Bierman <andy@yumaworks.com>, Vladimir Vassilev <vladimir@lightside-instruments.com>, "netmod@ietf.org" <netmod@ietf.org> References: <2751efb1-d276-8c49-4697-87de2bb379e8@lightside-instruments.com> <86a37242-a85d-f4a6-1db6-c79d861f76fb@lightside-instruments.com> <CABCOCHQ-=-2yb2iA6sRMir6MvvQfGzyb4Nx3MFFYof6By4jKLg@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <CABCOCHQ-=-2yb2iA6sRMir6MvvQfGzyb4Nx3MFFYof6By4jKLg@mail.gmail.com> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/-PQnHFRmhFmV4zzm5f5FhISvuMA> Subject: Re: [netmod] rfc6991bis: yang:xpath1.0 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 24 Jul 2020 09:40:29 -0000 On Sat, Jul 18, 2020 at 09:00:42AM -0700, Andy Bierman wrote: > On Sat, Jul 18, 2020 at 8:42 AM Vladimir Vassilev < > vladimir@lightside-instruments.com> wrote: > > > On 17/07/2020 21.14, Juergen Schoenwaelder wrote: > > > > > - How do we deal with xpath expressions in other encodings > > > such as JSON. Do we assume an xpath context populated with > > > module names such that module names can be used to qualify > > > path expressions. This may need discussion and/or a new > > > definition. > > > > > > - This interacts with the definition of node-instance-identifier. > > > > > > - Options: (i) Leave this definition as it is. (ii) Detail how this > > > type work with encodings that use module names instead of prefixes > > > to qualify names. > > > > > > - Proposal: ? > > > > > > How about leaving the xpath1.0 type definition as it is and specifying a > > canonical form for the node-instance-identifier where namespace prefixes > > must be module names. > > > > > Since (i) is the only BC option why is (ii) even being considered? > Of course a new type name is needed to change the XPath syntax > to something that is not backward-compatible. > The idea was not to propose something non-backwards compatible but to try to explain how xpath1.0 values work with non-XML encodings. But perhaps this is 'unexplainable' in the sense that people deal with this in different ways. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 24 03:14:36 2020 Return-Path: <auerswal@unix-ag.uni-kl.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 46DC83A0E45 for <netmod@ietfa.amsl.com>; Fri, 24 Jul 2020 03:14:34 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MpuYexlwjptp for <netmod@ietfa.amsl.com>; Fri, 24 Jul 2020 03:14:32 -0700 (PDT) Received: from mailgw1.uni-kl.de (mailgw1.uni-kl.de [IPv6:2001:638:208:120::220]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3378D3A0E69 for <netmod@ietf.org>; Fri, 24 Jul 2020 03:14:21 -0700 (PDT) Received: from sushi.unix-ag.uni-kl.de (sushi.unix-ag.uni-kl.de [IPv6:2001:638:208:ef34:0:ff:fe00:65]) by mailgw1.uni-kl.de (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id 06OAEHmi166690 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Jul 2020 12:14:17 +0200 Received: from sushi.unix-ag.uni-kl.de (ip6-localhost [IPv6:::1]) by sushi.unix-ag.uni-kl.de (8.14.4/8.14.4/Debian-4+deb7u1) with ESMTP id 06OAEHVd016820 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 24 Jul 2020 12:14:17 +0200 Received: (from auerswal@localhost) by sushi.unix-ag.uni-kl.de (8.14.4/8.14.4/Submit) id 06OAEH6n016819; Fri, 24 Jul 2020 12:14:17 +0200 Date: Fri, 24 Jul 2020 12:14:17 +0200 From: Erik Auerswald <auerswal@unix-ag.uni-kl.de> To: Ladislav Lhotka <ladislav.lhotka@nic.cz>, tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200724101417.GA15882@unix-ag.uni-kl.de> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> User-Agent: Mutt/1.5.21 (2010-09-15) Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/6YZvOIQ9kjM9wza6BsqogPnutUs> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 24 Jul 2020 10:14:34 -0000 Hi, On Fri, Jul 24, 2020 at 10:36:17AM +0200, Juergen Schoenwaelder wrote: > On Wed, Jul 22, 2020 at 01:46:38PM +0200, Ladislav Lhotka wrote: > > On 22. 07. 20 13:00, Juergen Schoenwaelder wrote: > > > > > > my understanding is that Lada is now proposing something slightly > > > different but I am not sure what exactly, hence I asked again. > > > > Oh yes, I messed it up by mixing different things together, sorry. I > > checked again the ML archive, and the message that is relevant to this > > thread is this: > > > > https://mailarchive.ietf.org/arch/msg/netmod/PISOifrtow4oWLGW7meBBSri7nM/ > > > > The aim of that proposal was to limit the "inet:host" type to DNS names > > that are reasonable as host names, i.e. eliminate values like "." or "_". > > You are proposing to change the length restriction from 1..253 to > 2..253 following RFC 952: > > [...] Single character names > or nicknames are not allowed. What about single character host names currently used, e.g., a.root-servers.net.? There are single character subdomain labels in use as well, e.g., l.de.. Best regards, Erik From nobody Fri Jul 24 04:09:28 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4243F3A0ED0 for <netmod@ietfa.amsl.com>; Fri, 24 Jul 2020 04:09:27 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id CuOYVSuwzUx9 for <netmod@ietfa.amsl.com>; Fri, 24 Jul 2020 04:09:25 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6405B3A0ECC for <netmod@ietf.org>; Fri, 24 Jul 2020 04:09:25 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id BF14635E; Fri, 24 Jul 2020 13:09:23 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id uiTUk2M1srA7; Fri, 24 Jul 2020 13:09:23 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Fri, 24 Jul 2020 13:09:23 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 6256920154; Fri, 24 Jul 2020 13:09:23 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id pAnmi2cPQKcx; Fri, 24 Jul 2020 13:09:23 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 09845200E4; Fri, 24 Jul 2020 13:09:22 +0200 (CEST) Date: Fri, 24 Jul 2020 13:09:21 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Erik Auerswald <auerswal@unix-ag.uni-kl.de> Cc: Ladislav Lhotka <ladislav.lhotka@nic.cz>, tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200724110921.yadepgx3f6o7kgc2@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Erik Auerswald <auerswal@unix-ag.uni-kl.de>, Ladislav Lhotka <ladislav.lhotka@nic.cz>, tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> <20200724101417.GA15882@unix-ag.uni-kl.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200724101417.GA15882@unix-ag.uni-kl.de> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/jABkd6053Xj5WsbvBl_INcJ5xJ0> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 24 Jul 2020 11:09:27 -0000 On Fri, Jul 24, 2020 at 12:14:17PM +0200, Erik Auerswald wrote: > Hi, > > On Fri, Jul 24, 2020 at 10:36:17AM +0200, Juergen Schoenwaelder wrote: > > On Wed, Jul 22, 2020 at 01:46:38PM +0200, Ladislav Lhotka wrote: > > > On 22. 07. 20 13:00, Juergen Schoenwaelder wrote: > > > > > > > > my understanding is that Lada is now proposing something slightly > > > > different but I am not sure what exactly, hence I asked again. > > > > > > Oh yes, I messed it up by mixing different things together, sorry. I > > > checked again the ML archive, and the message that is relevant to this > > > thread is this: > > > > > > https://mailarchive.ietf.org/arch/msg/netmod/PISOifrtow4oWLGW7meBBSri7nM/ > > > > > > The aim of that proposal was to limit the "inet:host" type to DNS names > > > that are reasonable as host names, i.e. eliminate values like "." or "_". > > > > You are proposing to change the length restriction from 1..253 to > > 2..253 following RFC 952: > > > > [...] Single character names > > or nicknames are not allowed. > > What about single character host names currently used, e.g., > a.root-servers.net.? > > There are single character subdomain labels in use as well, e.g., l.de.. > The description of 'host name' in RFC 8499 explains that host names are considerd to be domain names but in some contexts a host name is considered to be just the first label of a domain name. In our context, however, it is pretty clear that we consider a host name to be a domain name. Hence, what Lada suggests is to formally disallow names like 'a.' while 'a.root-servers.net.' would not be affected. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Fri Jul 24 09:38:02 2020 Return-Path: <andy@yumaworks.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id ED0A43A0FBB for <netmod@ietfa.amsl.com>; Fri, 24 Jul 2020 09:38:00 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.887 X-Spam-Level: X-Spam-Status: No, score=-1.887 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, T_SPF_PERMERROR=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=yumaworks-com.20150623.gappssmtp.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GQ8qnWSi6wGx for <netmod@ietfa.amsl.com>; 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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=XlWtorwxUhQbQaXjDuGtPTxnaPlP/AKoon0FyITaqt0=; b=t7A84akvbksBtTYxWAqQSPbYgZOEN4OO+Wl7zAMDvb9C4bFkBtHG5eKSwAYbJQ2ZjO 8XT307elV0E9yvU5YHhdkv5g2gdER5hnW57y7HSrMEKT6AoAdXt3bZfwS4oJEWrnrwXQ QoQRW8rZITnk/1zDWmwmzPPLL+uiJ6XlI8P5Bc8FfuxmI+xfOZA7RkF6zk0sa12T91r3 1BxzYUeH1M3PMxPIF45Q6lcc7ot4heKPQGBVmVdqMkLh2gm7EebXdTqBdnh9jRdulVIk zhPnBTl1P3p+hw1YFZBSKT7Y15X4Rou+Rm07AR5NHkb1qSTLl9ZWtmWGEvKaqb+2PHYe KoQw== X-Gm-Message-State: AOAM533mOoGir8ERmNkHQhuwgkmii7p8gvxpvWtx7L0GNmd3u7Xbyuia gpnrzIwK6qJpTgUbsd9QZqR/2VWCe8be/VX67+klzw== X-Google-Smtp-Source: ABdhPJxmQmg2c+Kps0iWUeEhOfaCUdQWVAnj2EVu978Pe+D7u261ygIuCQAtU0d2UQwX2OVwyAX655NhPO5d9DPA6lQ= X-Received: by 2002:a05:6512:330c:: with SMTP id k12mr5413883lfe.151.1595608676843; Fri, 24 Jul 2020 09:37:56 -0700 (PDT) MIME-Version: 1.0 References: <2751efb1-d276-8c49-4697-87de2bb379e8@lightside-instruments.com> <86a37242-a85d-f4a6-1db6-c79d861f76fb@lightside-instruments.com> <CABCOCHQ-=-2yb2iA6sRMir6MvvQfGzyb4Nx3MFFYof6By4jKLg@mail.gmail.com> <20200724094023.u5gqt6fnfjjtjktm@anna.jacobs.jacobs-university.de> In-Reply-To: <20200724094023.u5gqt6fnfjjtjktm@anna.jacobs.jacobs-university.de> From: Andy Bierman <andy@yumaworks.com> Date: Fri, 24 Jul 2020 09:37:45 -0700 Message-ID: <CABCOCHS3Sbp=QME-9Eg57_AscTYn5KfYvX73QgiAO4hPjzZr=w@mail.gmail.com> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, Andy Bierman <andy@yumaworks.com>, Vladimir Vassilev <vladimir@lightside-instruments.com>, "netmod@ietf.org" <netmod@ietf.org> Content-Type: multipart/alternative; boundary="000000000000625f2a05ab3298ef" Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/gHMlvcCnUtgu3Ps6WV0QX4JaQGM> Subject: Re: [netmod] rfc6991bis: yang:xpath1.0 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 24 Jul 2020 16:38:01 -0000 --000000000000625f2a05ab3298ef Content-Type: text/plain; charset="UTF-8" On Fri, Jul 24, 2020 at 2:40 AM Juergen Schoenwaelder < j.schoenwaelder@jacobs-university.de> wrote: > On Sat, Jul 18, 2020 at 09:00:42AM -0700, Andy Bierman wrote: > > On Sat, Jul 18, 2020 at 8:42 AM Vladimir Vassilev < > > vladimir@lightside-instruments.com> wrote: > > > > > On 17/07/2020 21.14, Juergen Schoenwaelder wrote: > > > > > > > - How do we deal with xpath expressions in other encodings > > > > such as JSON. Do we assume an xpath context populated with > > > > module names such that module names can be used to qualify > > > > path expressions. This may need discussion and/or a new > > > > definition. > > > > > > > > - This interacts with the definition of node-instance-identifier. > > > > > > > > - Options: (i) Leave this definition as it is. (ii) Detail how this > > > > type work with encodings that use module names instead of prefixes > > > > to qualify names. > > > > > > > > - Proposal: ? > > > > > > > > > How about leaving the xpath1.0 type definition as it is and specifying > a > > > canonical form for the node-instance-identifier where namespace > prefixes > > > must be module names. > > > > > > > > Since (i) is the only BC option why is (ii) even being considered? > > Of course a new type name is needed to change the XPath syntax > > to something that is not backward-compatible. > > > > The idea was not to propose something non-backwards compatible but to > try to explain how xpath1.0 values work with non-XML encodings. But > perhaps this is 'unexplainable' in the sense that people deal with > this in different ways. > > IMO it is better to use a new type definition where the prefixes MUST be module names rather than overload a widely deployed type definition with semantics that the prefixes MAY be module names. I prefer a new node-instance-identifier typedef, based on RFC 8040 sec. 3.5.3, but that is another discussion. /js > Andy > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > --000000000000625f2a05ab3298ef Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote">= <div dir=3D"ltr" class=3D"gmail_attr">On Fri, Jul 24, 2020 at 2:40 AM Juerg= en Schoenwaelder <<a href=3D"mailto:j.schoenwaelder@jacobs-university.de= ">j.schoenwaelder@jacobs-university.de</a>> wrote:<br></div><blockquote = class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol= id rgb(204,204,204);padding-left:1ex">On Sat, Jul 18, 2020 at 09:00:42AM -0= 700, Andy Bierman wrote:<br> > On Sat, Jul 18, 2020 at 8:42 AM Vladimir Vassilev <<br> > <a href=3D"mailto:vladimir@lightside-instruments.com" target=3D"_blank= ">vladimir@lightside-instruments.com</a>> wrote:<br> > <br> > > On 17/07/2020 21.14, Juergen Schoenwaelder wrote:<br> > ><br> > > > - How do we deal with xpath expressions in other encodings<b= r> > > > such as JSON. Do we assume an xpath context populated with<b= r> > > > module names such that module names can be used to qualify<b= r> > > > path expressions. This may need discussion and/or a new<br> > > > definition.<br> > > ><br> > > > - This interacts with the definition of node-instance-identi= fier.<br> > > ><br> > > > - Options: (i) Leave this definition as it is. (ii) Detail h= ow this<br> > > > type work with encodings that use module names instead of pr= efixes<br> > > > to qualify names.<br> > > ><br> > > > - Proposal: ?<br> > ><br> > ><br> > > How about leaving the xpath1.0 type definition as it is and speci= fying a<br> > > canonical form for the node-instance-identifier where namespace p= refixes<br> > > must be module names.<br> > ><br> > ><br> > Since (i) is the only BC option why is (ii) even being considered?<br> > Of course a new type name is needed to change the XPath syntax<br> > to something that is not backward-compatible.<br> ><br> <br> The idea was not to propose something non-backwards compatible but to<br> try to explain how xpath1.0 values work with non-XML encodings. But<br> perhaps this is 'unexplainable' in the sense that people deal with<= br> this in different ways.<br> <br></blockquote><div><br></div><div><br></div><div>IMO it is better to use= a new type definition where the prefixes MUST be module names</div><div>ra= ther than overload a widely deployed type definition with semantics that th= e prefixes</div><div>MAY be module names.</div><div><br></div><div>I prefer= a new node-instance-identifier typedef, based on RFC 8040 sec. 3.5.3,</div= ><div>but that is another discussion.</div><div><br></div><div><br></div><b= lockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-le= ft:1px solid rgb(204,204,204);padding-left:1ex"> /js<br></blockquote><div><br></div><div><br></div><div>Andy</div><div>=C2= =A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8e= x;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <br> -- <br> Juergen Schoenwaelder=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Jacobs Univer= sity Bremen gGmbH<br> Phone: +49 421 200 3587=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Campus Ring 1 | 28= 759 Bremen | Germany<br> Fax:=C2=A0 =C2=A0+49 421 200 3103=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<<a h= ref=3D"https://www.jacobs-university.de/" rel=3D"noreferrer" target=3D"_bla= nk">https://www.jacobs-university.de/</a>><br> </blockquote></div></div> --000000000000625f2a05ab3298ef-- From nobody Sun Jul 26 06:11:46 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A9DBF3A0E74 for <netmod@ietfa.amsl.com>; Sun, 26 Jul 2020 06:11:44 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id r-Q2NhOGWOnH for <netmod@ietfa.amsl.com>; Sun, 26 Jul 2020 06:11:41 -0700 (PDT) Received: from trail.lhotka.name (trail.lhotka.name [77.48.224.143]) by ietfa.amsl.com (Postfix) with ESMTP id 7BDF73A0E73 for <netmod@ietf.org>; Sun, 26 Jul 2020 06:11:40 -0700 (PDT) Received: by trail.lhotka.name (Postfix, from userid 109) id 887AE8600CA; Sun, 26 Jul 2020 15:02:54 +0200 (CEST) Received: from localhost (unknown [172.29.2.111]) by trail.lhotka.name (Postfix) with ESMTPSA id EC54C860083; Sun, 26 Jul 2020 15:02:31 +0200 (CEST) From: Ladislav Lhotka <ladislav.lhotka@nic.cz> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Cc: tom petch <ietfc@btconnect.com>, "netmod\@ietf.org" <netmod@ietf.org> In-Reply-To: <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> Mail-Followup-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, tom petch <ietfc@btconnect.com>, "netmod\@ietf.org" <netmod@ietf.org> Date: Sun, 26 Jul 2020 15:11:15 +0200 Message-ID: <87a6zmifpo.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/EkvQmnGUj7eVM-pKfx3vqnXzdjI> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Sun, 26 Jul 2020 13:11:45 -0000 Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > On Wed, Jul 22, 2020 at 01:46:38PM +0200, Ladislav Lhotka wrote: >> >> >> On 22. 07. 20 13:00, Juergen Schoenwaelder wrote: >> > Tom, >> > >> > my understanding is that Lada is now proposing something slightly >> > different but I am not sure what exactly, hence I asked again. >> >> Oh yes, I messed it up by mixing different things together, sorry. I >> checked again the ML archive, and the message that is relevant to this >> thread is this: >> >> https://mailarchive.ietf.org/arch/msg/netmod/PISOifrtow4oWLGW7meBBSri7nM/ >> >> The aim of that proposal was to limit the "inet:host" type to DNS names >> that are reasonable as host names, i.e. eliminate values like "." or "_". > > You are proposing to change the length restriction from 1..253 to > 2..253 following RFC 952: > > [...] Single character names > or nicknames are not allowed. > > And you add > > pattern '(.*\.)?..\-\-.*' { > modifier invert-match; > } > > to restrict things to non-reserved letter-digit-hyphen labels as per > RFC 5890. Is it clear that this second restriction applies to host > names? How do you represent internationalized host names? Perhaps we > need a collection of examples? And is the pattern correct? RFC 5890 > says: > > Reserved LDH labels, known as "tagged domain names" in some other > contexts, have the property that they contain "--" in the third and > fourth characters but which otherwise conform to LDH label rules. > > What is the '(.*\.)?' part doing in your pattern? > > Finally, would it be useful to derive a host-name type from the > domain-name type (if host-names are really a strict subset of what > domain-name allows), e.g.: The current definition of "inet:domain-name" in 6991bis also permits the underscore character in labels, so it is not LDH. Lada > > typedef host-name { > type domain-name { > pattern '(.*\.)?..\-\-.*' { > modifier invert-match; > } > length "2..max"; > } > description > "Host names must be at least two characters long (see RFC 952) > and they are restricted to non-reserved letter-digit-hyphen > (NR-LDH) labels (see RFC ????)."; > reference > "RFC 952: DoD Internet Host Table Specification > RFC ????: ????"; > } > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Sun Jul 26 06:56:19 2020 Return-Path: <ietf-secretariat-reply@ietf.org> X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id DA40F3A0EEB; Sun, 26 Jul 2020 06:56:17 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: IETF Secretariat <ietf-secretariat-reply@ietf.org> To: <netmod@ietf.org>, <draft-tao-netmod-yang-node-tags@ietf.org>, <netmod-chairs@ietf.org> X-Test-IDTracker: no X-IETF-IDTracker: 7.10.1 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <159577177787.18056.6422909431038730329@ietfa.amsl.com> Date: Sun, 26 Jul 2020 06:56:17 -0700 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/F4VhpaGSF1QBb2mx5FZLyisUZXc> Subject: [netmod] The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state "Candidate for WG Adoption" X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Sun, 26 Jul 2020 13:56:18 -0000 The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state Candidate for WG Adoption (entered by Lou Berger) The document is available at https://datatracker.ietf.org/doc/draft-tao-netmod-yang-node-tags/ Comment: IPR disclosures: https://datatracker.ietf.org/ipr/4216/ Mail poll: https://mailarchive.ietf.org/arch/msg/netmod/pyk2fLkG8srCuZKg7dDI3ypzKrQ/ Liang Geng: https://mailarchive.ietf.org/arch/msg/netmod/rXb-ZeXzvCQAByu2fFJlbno6tR4/ Du Zongpeng: https://mailarchive.ietf.org/arch/msg/netmod/PRfcKZjjttBO4l3hW2VwEKwXJmc/ Ran Tao: https://mailarchive.ietf.org/arch/msg/netmod/O54ihWu6g5dnZmkJGHVByX7hpoo/ Qin Wu: https://mailarchive.ietf.org/arch/msg/netmod/7jdfrEj61mcF2ASE6dDP8zOHfps/ Benoit Claise: https://mailarchive.ietf.org/arch/msg/netmod/3C-K4JaAgLnpAoPqcQAn59DFHYw/ From nobody Sun Jul 26 13:24:36 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7C7BB3A1430 for <netmod@ietfa.amsl.com>; 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Sun, 26 Jul 2020 22:24:28 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Sun, 26 Jul 2020 22:24:28 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id B093F20154; Sun, 26 Jul 2020 22:24:28 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id 25KQ5hMkbgNS; Sun, 26 Jul 2020 22:24:28 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 4F03E200E4; Sun, 26 Jul 2020 22:24:28 +0200 (CEST) Date: Sun, 26 Jul 2020 22:24:27 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200726202427.oqythl6sggm4uzxe@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> <87a6zmifpo.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87a6zmifpo.fsf@nic.cz> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/n1Q3HHYH17YQSoh3F5jdT-U7NVk> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Sun, 26 Jul 2020 20:24:35 -0000 So would the following do the right thing? typedef host-name { type domain-name { pattern '[a-zA-Z0-9\-\.]+'; length "2..max"; } description "Host names must be at least two characters long (see RFC 952) and they are restricted to labels consisting of letters, digits and hyphens separated by dots (see RFC1123 and RFC 952)."; reference "RFC 952: DoD Internet Host Table Specification "RFC 1123: Requirements for Internet Hosts: Application and Support"; } /js On Sun, Jul 26, 2020 at 03:11:15PM +0200, Ladislav Lhotka wrote: > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > > > On Wed, Jul 22, 2020 at 01:46:38PM +0200, Ladislav Lhotka wrote: > >> > >> > >> On 22. 07. 20 13:00, Juergen Schoenwaelder wrote: > >> > Tom, > >> > > >> > my understanding is that Lada is now proposing something slightly > >> > different but I am not sure what exactly, hence I asked again. > >> > >> Oh yes, I messed it up by mixing different things together, sorry. I > >> checked again the ML archive, and the message that is relevant to this > >> thread is this: > >> > >> https://mailarchive.ietf.org/arch/msg/netmod/PISOifrtow4oWLGW7meBBSri7nM/ > >> > >> The aim of that proposal was to limit the "inet:host" type to DNS names > >> that are reasonable as host names, i.e. eliminate values like "." or "_". > > > > You are proposing to change the length restriction from 1..253 to > > 2..253 following RFC 952: > > > > [...] Single character names > > or nicknames are not allowed. > > > > And you add > > > > pattern '(.*\.)?..\-\-.*' { > > modifier invert-match; > > } > > > > to restrict things to non-reserved letter-digit-hyphen labels as per > > RFC 5890. Is it clear that this second restriction applies to host > > names? How do you represent internationalized host names? Perhaps we > > need a collection of examples? And is the pattern correct? RFC 5890 > > says: > > > > Reserved LDH labels, known as "tagged domain names" in some other > > contexts, have the property that they contain "--" in the third and > > fourth characters but which otherwise conform to LDH label rules. > > > > What is the '(.*\.)?' part doing in your pattern? > > > > Finally, would it be useful to derive a host-name type from the > > domain-name type (if host-names are really a strict subset of what > > domain-name allows), e.g.: > > The current definition of "inet:domain-name" in 6991bis also permits the underscore character in labels, so it is not LDH. > > Lada > > > > > typedef host-name { > > type domain-name { > > pattern '(.*\.)?..\-\-.*' { > > modifier invert-match; > > } > > length "2..max"; > > } > > description > > "Host names must be at least two characters long (see RFC 952) > > and they are restricted to non-reserved letter-digit-hyphen > > (NR-LDH) labels (see RFC ????)."; > > reference > > "RFC 952: DoD Internet Host Table Specification > > RFC ????: ????"; > > } > > > > /js > > > > -- > > Juergen Schoenwaelder Jacobs University Bremen gGmbH > > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > -- > Ladislav Lhotka > Head, CZ.NIC Labs > PGP Key ID: 0xB8F92B08A9F76C67 -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Mon Jul 27 01:48:09 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 466543A17D1 for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 01:48:07 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Y-fSxRwJ60vW for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 01:48:05 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EB1723A0C2D for <netmod@ietf.org>; Mon, 27 Jul 2020 01:48:04 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 0E4D36AB for <netmod@ietf.org>; Mon, 27 Jul 2020 10:48:03 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id Eb1RMvltGScf for <netmod@ietf.org>; Mon, 27 Jul 2020 10:48:02 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS for <netmod@ietf.org>; Mon, 27 Jul 2020 10:48:02 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id A271B20154 for <netmod@ietf.org>; Mon, 27 Jul 2020 10:48:02 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id lWHq98RE1o6j; Mon, 27 Jul 2020 10:48:02 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 1D9A2200E4; Mon, 27 Jul 2020 10:48:01 +0200 (CEST) Date: Mon, 27 Jul 2020 10:48:01 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200727084801.g3ecpzuzyuj3fxvm@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org References: <159577177787.18056.6422909431038730329@ietfa.amsl.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <159577177787.18056.6422909431038730329@ietfa.amsl.com> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/upQQgMsOZcoZLNFxS-NdmwoWAi0> Subject: Re: [netmod] The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state "Candidate for WG Adoption" X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 27 Jul 2020 08:48:07 -0000 I do not understand the abstract of the document. The main sentence is this one: This YANG data node tagging method can be used to provide input, instruction, indication to selection filter and filter queries of operational state on a server during a "pub/sub" service for YANG datastore updates and provide multiple dimensional network visibility analysis when the state of all subscriptions of a particular Subscriber to be fetched is huge, so that the amount of data to be streamed out to the destination can be greatly reduced and only targeted to the characteristics data. I can follow up to 'multiple dimensional network visibility analysis' and then I am lost. On the technical side, it is not clear why a central list of tags providing meta information is preferrable over metadata annotations that can be shipped with the values. It does not seem harmful to adopt this work if people think this is needed and they are willing to work on this. The others can safely ignore this with. Personally, I am not convinced yet, but then I do not work on 'multiple dimensional network visibility analysis'. Perhaps a good convincing concrete example would help, the tables in Fig. 2 do not help me much. The goal seems to add tags to node instances. I do not understand what they are called 'self-explanation-node-tags' and not simply 'node-tags'. It is also unclear why we need exactly those eight different tag types. How does this relate to YANG defined properties such as units? If there is a mismatch, what takes precedence? If I define tags in a module using the extension statements, why do I also have to have these tags in the instance tree? draft-ietf-netmod-module-tags defines module tags plus mechanisms to tweak them if needed. This document seems to define node instance tags but hidden in a very specific use case. I think the WG should determine whether it wants to work on "YANG Node Instance Tags" along the "YANG Module Tags" work. I personally find the scope of the work behind the current document unclear. /js On Sun, Jul 26, 2020 at 06:56:17AM -0700, IETF Secretariat wrote: > > The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state > Candidate for WG Adoption (entered by Lou Berger) > > The document is available at > https://datatracker.ietf.org/doc/draft-tao-netmod-yang-node-tags/ > > Comment: > IPR disclosures: > https://datatracker.ietf.org/ipr/4216/ > Mail poll: > https://mailarchive.ietf.org/arch/msg/netmod/pyk2fLkG8srCuZKg7dDI3ypzKrQ/ > > Liang Geng: > https://mailarchive.ietf.org/arch/msg/netmod/rXb-ZeXzvCQAByu2fFJlbno6tR4/ Du > Zongpeng: > https://mailarchive.ietf.org/arch/msg/netmod/PRfcKZjjttBO4l3hW2VwEKwXJmc/ Ran > Tao: > https://mailarchive.ietf.org/arch/msg/netmod/O54ihWu6g5dnZmkJGHVByX7hpoo/ Qin > Wu: https://mailarchive.ietf.org/arch/msg/netmod/7jdfrEj61mcF2ASE6dDP8zOHfps/ > Benoit Claise: > https://mailarchive.ietf.org/arch/msg/netmod/3C-K4JaAgLnpAoPqcQAn59DFHYw/ > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Mon Jul 27 01:51:49 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CA8883A17D1 for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 01:51:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dxOs1WJNd1ND for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 01:51:44 -0700 (PDT) Received: from trail.lhotka.name (trail.lhotka.name [77.48.224.143]) by ietfa.amsl.com (Postfix) with ESMTP id CE4B93A17CC for <netmod@ietf.org>; Mon, 27 Jul 2020 01:51:36 -0700 (PDT) Received: by trail.lhotka.name (Postfix, from userid 109) id 46D568600D0; Mon, 27 Jul 2020 10:42:45 +0200 (CEST) Received: from localhost (nat-1.nic.cz [217.31.205.1]) by trail.lhotka.name (Postfix) with ESMTPSA id EAB1386004C; Mon, 27 Jul 2020 10:42:42 +0200 (CEST) From: Ladislav Lhotka <ladislav.lhotka@nic.cz> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, tom petch <ietfc@btconnect.com>, "netmod\@ietf.org" <netmod@ietf.org> In-Reply-To: <20200726202427.oqythl6sggm4uzxe@anna.jacobs.jacobs-university.de> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> <87a6zmifpo.fsf@nic.cz> <20200726202427.oqythl6sggm4uzxe@anna.jacobs.jacobs-university.de> Mail-Followup-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, tom petch <ietfc@btconnect.com>, "netmod\@ietf.org" <netmod@ietf.org> Date: Mon, 27 Jul 2020 10:51:31 +0200 Message-ID: <87wo2p8hnw.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/593nZUJwOIhOURrHWCkahZAEF-A> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 27 Jul 2020 08:51:47 -0000 Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > So would the following do the right thing? The invert-match pattern also needs to be added in order to avoid reserved labels: > > typedef host-name { > type domain-name { > pattern '[a-zA-Z0-9\-\.]+'; pattern '(.*\.)?..\-\-.*' { modifier invert-match; } > length "2..max"; > } > description > "Host names must be at least two characters long (see RFC 952) > and they are restricted to labels consisting of letters, digits > and hyphens separated by dots (see RFC1123 and RFC 952)."; > reference > "RFC 952: DoD Internet Host Table Specification > "RFC 1123: Requirements for Internet Hosts: Application and Support"; > } I am also not convinced that deriving host-name from domain-name is a good thing to do. Apart from being somewhat complicated, this coupling can also cause problems, e.g. if domain-name was to be obsoleted in the future. Lada > > /js > > On Sun, Jul 26, 2020 at 03:11:15PM +0200, Ladislav Lhotka wrote: >> Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: >> >> > On Wed, Jul 22, 2020 at 01:46:38PM +0200, Ladislav Lhotka wrote: >> >> >> >> >> >> On 22. 07. 20 13:00, Juergen Schoenwaelder wrote: >> >> > Tom, >> >> > >> >> > my understanding is that Lada is now proposing something slightly >> >> > different but I am not sure what exactly, hence I asked again. >> >> >> >> Oh yes, I messed it up by mixing different things together, sorry. I >> >> checked again the ML archive, and the message that is relevant to this >> >> thread is this: >> >> >> >> https://mailarchive.ietf.org/arch/msg/netmod/PISOifrtow4oWLGW7meBBSri7nM/ >> >> >> >> The aim of that proposal was to limit the "inet:host" type to DNS names >> >> that are reasonable as host names, i.e. eliminate values like "." or "_". >> > >> > You are proposing to change the length restriction from 1..253 to >> > 2..253 following RFC 952: >> > >> > [...] Single character names >> > or nicknames are not allowed. >> > >> > And you add >> > >> > pattern '(.*\.)?..\-\-.*' { >> > modifier invert-match; >> > } >> > >> > to restrict things to non-reserved letter-digit-hyphen labels as per >> > RFC 5890. Is it clear that this second restriction applies to host >> > names? How do you represent internationalized host names? Perhaps we >> > need a collection of examples? And is the pattern correct? RFC 5890 >> > says: >> > >> > Reserved LDH labels, known as "tagged domain names" in some other >> > contexts, have the property that they contain "--" in the third and >> > fourth characters but which otherwise conform to LDH label rules. >> > >> > What is the '(.*\.)?' part doing in your pattern? >> > >> > Finally, would it be useful to derive a host-name type from the >> > domain-name type (if host-names are really a strict subset of what >> > domain-name allows), e.g.: >> >> The current definition of "inet:domain-name" in 6991bis also permits the underscore character in labels, so it is not LDH. >> >> Lada >> >> > >> > typedef host-name { >> > type domain-name { >> > pattern '(.*\.)?..\-\-.*' { >> > modifier invert-match; >> > } >> > length "2..max"; >> > } >> > description >> > "Host names must be at least two characters long (see RFC 952) >> > and they are restricted to non-reserved letter-digit-hyphen >> > (NR-LDH) labels (see RFC ????)."; >> > reference >> > "RFC 952: DoD Internet Host Table Specification >> > RFC ????: ????"; >> > } >> > >> > /js >> > >> > -- >> > Juergen Schoenwaelder Jacobs University Bremen gGmbH >> > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany >> > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> >> >> -- >> Ladislav Lhotka >> Head, CZ.NIC Labs >> PGP Key ID: 0xB8F92B08A9F76C67 > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Mon Jul 27 03:19:31 2020 Return-Path: <bill.wu@huawei.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 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11:13:49 +0100 (IST) Received: from lhreml725-chm.china.huawei.com (10.201.108.76) by lhreml725-chm.china.huawei.com (10.201.108.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Mon, 27 Jul 2020 11:13:49 +0100 Received: from DGGEML423-HUB.china.huawei.com (10.1.199.40) by lhreml725-chm.china.huawei.com (10.201.108.76) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.1.1913.5 via Frontend Transport; Mon, 27 Jul 2020 11:13:49 +0100 Received: from DGGEML511-MBS.china.huawei.com ([169.254.4.170]) by dggeml423-hub.china.huawei.com ([10.1.199.40]) with mapi id 14.03.0487.000; Mon, 27 Jul 2020 18:13:43 +0800 From: Qin Wu <bill.wu@huawei.com> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, "netmod@ietf.org" <netmod@ietf.org> Thread-Topic: [netmod] The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state "Candidate for WG Adoption" Thread-Index: AdZj9bWNc0+t9Kb6SeeYIs4gCDOVvg== Date: Mon, 27 Jul 2020 10:13:43 +0000 Message-ID: <B8F9A780D330094D99AF023C5877DABAAD89DBDD@dggeml511-mbs.china.huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.164.123.70] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/VeiJMiAwoL_2nHgutJa5z815C0I> Subject: Re: [netmod] The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state "Candidate for WG Adoption" X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> 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ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 9794B200E4; Mon, 27 Jul 2020 12:41:51 +0200 (CEST) Date: Mon, 27 Jul 2020 12:41:51 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Qin Wu <bill.wu@huawei.com> Cc: "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200727104151.jwzrsfhgvccfajta@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Qin Wu <bill.wu@huawei.com>, "netmod@ietf.org" <netmod@ietf.org> References: <B8F9A780D330094D99AF023C5877DABAAD89DBDD@dggeml511-mbs.china.huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <B8F9A780D330094D99AF023C5877DABAAD89DBDD@dggeml511-mbs.china.huawei.com> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/aqS3cvCQJrStzHeKzcMLiTPywHk> Subject: Re: [netmod] The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state "Candidate for WG Adoption" X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 27 Jul 2020 10:41:57 -0000 On Mon, Jul 27, 2020 at 10:13:43AM +0000, Qin Wu wrote: > > On the technical side, it is not clear why a central list of tags providing meta information is preferrable over metadata annotations that can be shipped with the values. > > > [Qin]: If we take metadata annotation approach, we need to define new module for each device level modules such as interface module, IP management module, BGP module, QoS module deployed in the device or revise these modules that has already been published and update devices with these new modules corresponding to deployed device level modules. Suppose the device level modules that has been deployed in the device is huge, such metadata annotation solution require update on each device for the new modules, the number of new modules is same as the number of existing deployed device level modules, which doesn't scale well. > I do not think this answer is technically correct. For a counter example, see the definition of md:annotation origin in RFC 8342. > It does not seem harmful to adopt this work if people think this is needed and they are willing to work on this. The others can safely ignore this with. Personally, I am not convinced yet, but then I do not work on 'multiple dimensional network visibility analysis'. > Perhaps a good convincing concrete example would help, the tables in Fig. 2 do not help me much. > > [Qin]: Suppose we can classify telemetry data from different angles, we can tag the telemetry data with various different data object tag, e.g., whether the data object is performance metric data, which category the performance metric data belong, if the data object > Is performance metric data or KPI data, we can further classify KPI data from operation type, e.g., whether KPI data is average value, minimum value, maximum value, whether KPI data allow set threshold for it, if the KPI data can come from multiple source, > We can indicate whether KPI data is aggregated data or not, so collector can use these telemetry data tag to subscribe targeted data object or these telemetry data tag associated with subscribed data can be further consumed by big data analytics platform/open observability platform such as InfluxDB/grafana and provide different outputs based on the telemetry tag or telemetry data classification that is selected. > > The goal seems to add tags to node instances. I do not understand what they are called 'self-explanation-node-tags' and not simply 'node-tags'. You assume that the device manufacturer implementing YANG modules can predict what a management application wants to do with a certain piece of information. I doubt this is generally true. And if you look at basic counters, they often serve many different purposes. Even if the WG believes this to be true, there likely needs an overwrite mechanism in case the manufacturer predicted things wrongly. > [Qin]: The reason to call it as 'self-explanation-node-tag' is to make it better reflect what it is really aimed for, if you have better name, I am happy to accept it. Well, to me these look like node instance tags. If anything, I would be interested in a generic solution and not something taylored to one specific use case (telemetry) and this is why I would prefer to have the specific semantics in the tags and not in the set of leafs carrying the tags. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Mon Jul 27 03:44:18 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9E68D3A1853 for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 03:44:16 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id U6atWPDP2tG7 for <netmod@ietfa.amsl.com>; 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Mon, 27 Jul 2020 12:44:12 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id AD63920154; Mon, 27 Jul 2020 12:44:12 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id gZh-VDX8mvqI; Mon, 27 Jul 2020 12:44:12 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 6B1F1200E4; Mon, 27 Jul 2020 12:44:12 +0200 (CEST) Date: Mon, 27 Jul 2020 12:44:12 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200727104412.jxgocoaxi2u6pula@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org> References: <20200717191717.u5a3wv4nbajjdcaj@anna.jacobs.jacobs-university.de> <87ft9mzhe0.fsf@nic.cz> <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> <87a6zmifpo.fsf@nic.cz> <20200726202427.oqythl6sggm4uzxe@anna.jacobs.jacobs-university.de> <87wo2p8hnw.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87wo2p8hnw.fsf@nic.cz> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/lBqh5jI0WIB_Tbh1Yc8zn0_faic> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 27 Jul 2020 10:44:17 -0000 On Mon, Jul 27, 2020 at 10:51:31AM +0200, Ladislav Lhotka wrote: > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > > > So would the following do the right thing? > > The invert-match pattern also needs to be added in order to avoid reserved labels: Why are they illegal? If we make them illegal, how are we going to deal with hosts that have non-ASCII names? /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Mon Jul 27 05:34:01 2020 Return-Path: <bill.wu@huawei.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0201B3A1964 for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 05:33:48 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qnSkVkPt7TPN for 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[netmod] The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state "Candidate for WG Adoption" X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 27 Jul 2020 12:33:55 -0000 LS0tLS3Tyrz+1K28/i0tLS0tDQq3orz+yMs6IEp1ZXJnZW4gU2Nob2Vud2FlbGRlciBbbWFpbHRv Omouc2Nob2Vud2FlbGRlckBqYWNvYnMtdW5pdmVyc2l0eS5kZV0gDQq3osvNyrG85DogMjAyMMTq N9TCMjfI1SAxODo0Mg0KytW8/sjLOiBRaW4gV3UgPGJpbGwud3VAaHVhd2VpLmNvbT4NCrOty806 IG5ldG1vZEBpZXRmLm9yZw0K1vfM4jogUmU6IFtuZXRtb2RdIFRoZSBORVRNT0QgV0cgaGFzIHBs 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dmVyc2lvbmluZy0wMS4NCkZvciBvdGhlciByZWFzb25zLCBwbGVhc2Ugc2VlIHRoZSBjbGFyaWZp Y2F0aW9uIG1lbnRpb25lZCBhYm92ZS4NCg0KL2pzDQoNCi0tIA0KSnVlcmdlbiBTY2hvZW53YWVs ZGVyICAgICAgICAgICBKYWNvYnMgVW5pdmVyc2l0eSBCcmVtZW4gZ0dtYkgNClBob25lOiArNDkg NDIxIDIwMCAzNTg3ICAgICAgICAgQ2FtcHVzIFJpbmcgMSB8IDI4NzU5IEJyZW1lbiB8IEdlcm1h bnkNCkZheDogICArNDkgNDIxIDIwMCAzMTAzICAgICAgICAgPGh0dHBzOi8vd3d3LmphY29icy11 bml2ZXJzaXR5LmRlLz4NCg== From nobody Mon Jul 27 05:53:44 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 28D8D3A195D for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 05:53:42 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham 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hermes.jacobs-university.de (Postfix) with ESMTPS id BBDDB200E4; Mon, 27 Jul 2020 14:53:36 +0200 (CEST) Date: Mon, 27 Jul 2020 14:53:35 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Qin Wu <bill.wu@huawei.com> Cc: "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200727125335.hyekat4fhzuvjj4x@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Qin Wu <bill.wu@huawei.com>, "netmod@ietf.org" <netmod@ietf.org> References: <B8F9A780D330094D99AF023C5877DABAAD89E305@dggeml511-mbs.china.huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <B8F9A780D330094D99AF023C5877DABAAD89E305@dggeml511-mbs.china.huawei.com> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/zWYTY4drglQ5QFXsCQg93rk8Ing> Subject: Re: [netmod] The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state "Candidate for WG Adoption" X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 27 Jul 2020 12:53:43 -0000 On Mon, Jul 27, 2020 at 12:33:39PM +0000, Qin Wu wrote: > -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- > =E5=8F=91=E4=BB=B6=E4=BA=BA: Juergen Schoenwaelder [mailto:j.schoenwael= der@jacobs-university.de]=20 > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8827=E6=97=A5= 18:42 > =E6=94=B6=E4=BB=B6=E4=BA=BA: Qin Wu <bill.wu@huawei.com> > =E6=8A=84=E9=80=81: netmod@ietf.org > =E4=B8=BB=E9=A2=98: Re: [netmod] The NETMOD WG has placed draft-tao-net= mod-yang-node-tags in state "Candidate for WG Adoption" >=20 > On Mon, Jul 27, 2020 at 10:13:43AM +0000, Qin Wu wrote: > >=20 > > On the technical side, it is not clear why a central list of tags pro= viding meta information is preferrable over metadata annotations that can= be shipped with the values. > >=20 > >=20 > > [Qin]: If we take metadata annotation approach, we need to define new= module for each device level modules such as interface module, IP manage= ment module, BGP module, QoS module deployed in the device or revise thes= e modules that has already been published and update devices with these n= ew modules corresponding to deployed device level modules. Suppose the de= vice level modules that has been deployed in the device is huge, such met= adata annotation solution require update on each device for the new modul= es, the number of new modules is same as the number of existing deployed = device level modules, which doesn't scale well. > >=20 >=20 > I do not think this answer is technically correct. For a counter exampl= e, see the definition of md:annotation origin in RFC 8342. >=20 > [Qin]:umm, have a second thought, I think this is the design choice we = made, we did investigate metadata annotation approach, but the essence of= metadata annotation is to add attribute to the model, we think adding at= tributes still have limitation, since you can not add too many attributes= one time to the same xml element. > Secondly, we need to know which data is the characteristics data or tel= emetry data category the client want to subscribe before sending subscrip= tion request to the server. If we take metadata annotation approach, we n= eed to have at least two times subscriptions before finding targeted data= objects, or first retrieve telemetry data tag from the server and then s= ubscribe targeted data object. It is hard to automate subscription with m= etadata annotation approach. I do not think there is a restriction of the number XML attributes. You can simply send a get operation. You will need a get operation as well for your central list of tags. =20 > > It does not seem harmful to adopt this work if people think this is n= eeded and they are willing to work on this. The others can safely ignore = this with. Personally, I am not convinced yet, but then I do not work on = 'multiple dimensional network visibility analysis'. > > Perhaps a good convincing concrete example would help, the tables in = Fig. 2 do not help me much. > > > > [Qin]: Suppose we can classify telemetry data from different angles,=20 > > we can tag the telemetry data with various different data object tag,= =20 > > e.g., whether the data object is performance metric data, which categ= ory the performance metric data belong, if the data object Is performance= metric data or KPI data, we can further classify KPI data from operation= type, e.g., whether KPI data is average value, minimum value, maximum va= lue, whether KPI data allow set threshold for it, if the KPI data can com= e from multiple source, We can indicate whether KPI data is aggregated da= ta or not, so collector can use these telemetry data tag to subscribe tar= geted data object or these telemetry data tag associated with subscribed = data can be further consumed by big data analytics platform/open observab= ility platform such as InfluxDB/grafana and provide different outputs bas= ed on the telemetry tag or telemetry data classification that is selected= . > >=20 > > The goal seems to add tags to node instances. I do not understand wha= t they are called 'self-explanation-node-tags' and not simply 'node-tags'= . >=20 > You assume that the device manufacturer implementing YANG modules can p= redict what a management application wants to do with a certain piece of = information. I doubt this is generally true. And if you look at basic cou= nters, they often serve many different purposes. Even if the WG believes = this to be true, there likely needs an overwrite mechanism in case the ma= nufacturer predicted things wrongly. > [Qin]: no, it is not always necessary for device manufacturer to do suc= h prediction, it can be put into offline document together with module sc= hema for NMS to retrieve. In addition, it allows the device adding or rem= oving tag in the same as module tag does. These tag changes can be advert= ised Using server capability defined in draft-ietf-netconf-notification-c= apabilities to inform the client about it. I must have missed that in the draft. > > [Qin]: The reason to call it as 'self-explanation-node-tag' is to mak= e it better reflect what it is really aimed for, if you have better name,= I am happy to accept it. >=20 > Well, to me these look like node instance tags. If anything, I would be= interested in a generic solution and not something taylored to one speci= fic use case (telemetry) and this is why I would prefer to have the speci= fic semantics in the tags and not in the set of leafs carrying the tags. >=20 > [Qin]:We did target generic solution, telemetry is not specific case, b= ut it is the main case. If you think there are other cases, we are happy = to cover it. The semantics for each node tag has been defined within the = module, semantics can be polished step by step. > Leaf carrying the tag helps data consumer such as influxdb/grafana to f= urther classify the telemetry data and provide better network visbility. > Leaf carrying the tag approach has been widely used by many IETF work s= uch as draft-ietf-netmod-module-tags, draft-ietf-netmod-yang-module-versi= oning-01. > For other reasons, please see the clarification mentioned above. draft-ietf-netmod-module-tags: module: ietf-module-tags +--rw module-tags +--rw module* [name] +--rw name yang:yang-identifier +--rw tag* tag +--rw masked-tag* tag Its a single leaf-list of tags, the semantics what the tags mean are in the tags. This is different from what you are proposing where some of the semantics of what the tag means are in the leaf a tag appears in - and there are likely also invalid situations or situations where things are unclear at least. For example, what does metric-scale with that tag ietf:minus-three mean? I do not really get the idea why you need 8 leafs each holding exactly one tag. This is inflexible, whenever an application likes to use an additional tag, you have to revise the YANG module. Anyway, time for others to comment. I think I said what I had to say. /js --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Mon Jul 27 06:19:17 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D78BA3A19A7 for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 06:18:33 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.118 X-Spam-Level: X-Spam-Status: No, score=-2.118 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200727104412.jxgocoaxi2u6pula@anna.jacobs.jacobs-university.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.102.2 at mail X-Virus-Status: Clean Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/3WIHf0HUxWwDiODTGBOlH8HU-wQ> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Mon, 27 Jul 2020 13:18:39 -0000 On 27. 07. 20 12:44, Juergen Schoenwaelder wrote: > On Mon, Jul 27, 2020 at 10:51:31AM +0200, Ladislav Lhotka wrote: >> Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: >> >>> So would the following do the right thing? >> >> The invert-match pattern also needs to be added in order to avoid reserved labels: > > Why are they illegal? If we make them illegal, how are we going to > deal with hosts that have non-ASCII names? I am not able to find in what sense the "Reserved LDH" labels of RFC 5890 are really reserved, and I am not sure about the implications of permitting "xn--..." hostnames to be explicitly configured. If we want to allow non-ASCII names, then it would IMO be safer to use a type that expects straight Unicode for lexical representation and leave it to the implementations to convert to Punycode where necessary, e.g. when querying DNS. Lada > > /js > -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Mon Jul 27 06:19:22 2020 Return-Path: <bill.wu@huawei.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 03ED83A19BD for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 06:18:37 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id P0folPmiWFWX for <netmod@ietfa.amsl.com>; Mon, 27 Jul 2020 06:18:34 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 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14.03.0487.000; Mon, 27 Jul 2020 21:18:28 +0800 From: Qin Wu <bill.wu@huawei.com> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> CC: "netmod@ietf.org" <netmod@ietf.org> Thread-Topic: [netmod] The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state "Candidate for WG Adoption" Thread-Index: AdZkFWbf0Bp3wpbhRs6wom12l0EwEw== Date: Mon, 27 Jul 2020 13:18:27 +0000 Message-ID: <B8F9A780D330094D99AF023C5877DABAAD89F3E4@dggeml511-mbs.china.huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.164.123.70] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/SVcKOKUS5whPV4vLdEC08o4h6Zk> Subject: Re: [netmod] The NETMOD WG has placed draft-tao-netmod-yang-node-tags in state "Candidate for WG Adoption" X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list 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ESMTP id 2r6AWfZOtQxb for <netmod@ietfa.amsl.com>; Tue, 28 Jul 2020 08:09:07 -0700 (PDT) Received: from a48-95.smtp-out.amazonses.com (a48-95.smtp-out.amazonses.com [54.240.48.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A87583A0D86 for <netmod@ietf.org>; Tue, 28 Jul 2020 08:09:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1595948946; h=From:Content-Type:Content-Transfer-Encoding:Mime-Version:Subject:Date:References:To:In-Reply-To:Message-Id:Feedback-ID; bh=XzT3o3t3wmPhF5mv2fUfGVFQxN4a5UesZHhiTPUCaPA=; b=HnLXE4j/gJH/8LHs91FuUsfeqdtggxGyqg3S65vNFbuuHj1ZL/n9D8WUv8XZUEB/ 19khBGNi5qqKYsJaeEQs0ZcyIuMmu95NAalZwE4cl/iUc/Wrea2KojzUssCIX0qlC07 fhRIpAJoDrDqrtKhYckuAUOJxWg9odFJBd5P12n8= From: Kent Watsen <kent+ietf@watsen.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Tue, 28 Jul 2020 15:09:06 +0000 References: <010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@email.amazonses.com> <010001736e8484b6-ffce5655-895a-4d5e-93f6-67df832b829e-000000@email.amazonses.com> <010001737c2aab5e-99a5ad19-0cca-4277-a81d-2b6f7023a772-000000@email.amazonses.com> <010001737c5ae568-58c56e67-5913-492d-8bd0-bdc34e9d6721-000000@email.amazonses.com> To: "netmod@ietf.org" <netmod@ietf.org> In-Reply-To: <010001737c5ae568-58c56e67-5913-492d-8bd0-bdc34e9d6721-000000@email.amazonses.com> Message-ID: <0100017395f852f5-ff5e6213-e75f-442a-8331-cf92b5f62359-000000@us-east-1.amazonses.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SES-Outgoing: 2020.07.28-54.240.48.95 Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/PijHIwbsbOjQtW-nxipTLqHm9QA> Subject: Re: [netmod] Preliminary agenda X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Tue, 28 Jul 2020 15:09:13 -0000 NETMOD WG. The agenda has been updated (see below). The Etherpad link has been = replaced with the CodiMD link for the session. Please note that CodiMD MAY be opened in another browser window or tab, = in addition to the MeetEcho window. Kent (and Lou (and Joel)) Agenda for the NETMOD 108 WG Session ------------------------------------- https://datatracker.ietf.org/meeting/108/materials/agenda-108-netmod Session: Thursday July 28th UTC: 14:10-15:50 WG Chairs: Kent Watsen (kent plus ietf at watsen dot net) Lou Berger (lberger at labs dot net) Joel Jaeggli (joelja at bogus dot com) Available During Session: ICS: = https://datatracker.ietf.org/meeting/108/sessions/netmod.ics MeetEcho: = https://meetings.conf.meetecho.com/ietf108/?group=3Dnetmod Jabber: xmpp:netmod@jabber.ietf.org?join Available During / After Session: CodiMD: https://codimd.ietf.org/notes-ietf-108-netmod Slides (TGZ): = https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.tgz Slides (PDF): = https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.pdf Available After Session: Recording: = https://ietf108.conf.meetecho.com/index.php/Recordings#NETMOD Jabber Logs: https://www.ietf.org/jabber/logs/netmod Introduction Chairs (10 minutes) Session Intro & WG Status Chartered items: Update on: (5 min) - Sub-interface VLAN YANG Data Models - Common Interface Extension YANG Data Models https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-07 https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09 Rob Wilton General Update on the YANG Versioning Solution (5 min) Reshad Rahman Updated YANG Module Revision Handling (20 min) = https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versioning-01 Reshad Rahman YANG Semantic Versioning (15 min) https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01 Joe Clarke Common YANG Data Types (15 min) https://tools.ietf.org/html/draft-ietf-netmod-rfc6991-bis-04 Juergen Schoenwaelder Non-Chartered items: Telemetry Data Self Explanation Tags (10 min) https://tools.ietf.org/html/draft-tao-netmod-yang-node-tags-03 Qin Wu Remaining 25 min. From nobody Tue Jul 28 08:10:41 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A1C193A0D86 for <netmod@ietfa.amsl.com>; Tue, 28 Jul 2020 08:10:39 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 03aV20vD3KIJ for <netmod@ietfa.amsl.com>; Tue, 28 Jul 2020 08:10:37 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6EB3D3A0B2E for <netmod@ietf.org>; Tue, 28 Jul 2020 08:10:36 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 5A6AB678; Tue, 28 Jul 2020 17:10:35 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id hH5ReGXFJW-I; Tue, 28 Jul 2020 17:10:35 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Tue, 28 Jul 2020 17:10:35 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 0699E20154; Tue, 28 Jul 2020 17:10:35 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id T1i6A9EZciUM; Tue, 28 Jul 2020 17:10:34 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 983C0200E4; Tue, 28 Jul 2020 17:10:34 +0200 (CEST) Date: Tue, 28 Jul 2020 17:10:33 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Ladislav Lhotka <ladislav.lhotka@nic.cz> Cc: netmod@ietf.org Message-ID: <20200728151033.wdjojzrlffh6sebu@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Ladislav Lhotka <ladislav.lhotka@nic.cz>, netmod@ietf.org References: <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> <87a6zmifpo.fsf@nic.cz> <20200726202427.oqythl6sggm4uzxe@anna.jacobs.jacobs-university.de> <87wo2p8hnw.fsf@nic.cz> <20200727104412.jxgocoaxi2u6pula@anna.jacobs.jacobs-university.de> <2521f17d-c105-503a-1fc6-4f3ecaf6e58b@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2521f17d-c105-503a-1fc6-4f3ecaf6e58b@nic.cz> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/R0-h6iyXGiORYcwM7Hnk-5VbDhY> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Tue, 28 Jul 2020 15:10:40 -0000 On Mon, Jul 27, 2020 at 03:18:25PM +0200, Ladislav Lhotka wrote: > > > On 27. 07. 20 12:44, Juergen Schoenwaelder wrote: > > On Mon, Jul 27, 2020 at 10:51:31AM +0200, Ladislav Lhotka wrote: > >> Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > >> > >>> So would the following do the right thing? > >> > >> The invert-match pattern also needs to be added in order to avoid reserved labels: > > > > Why are they illegal? If we make them illegal, how are we going to > > deal with hosts that have non-ASCII names? > > I am not able to find in what sense the "Reserved LDH" labels of RFC > 5890 are really reserved, and I am not sure about the implications of > permitting "xn--..." hostnames to be explicitly configured. Right now, inet:domain-name as defined in RFC 6991 says: [...] Domain-name values use the US-ASCII encoding. Their canonical format uses lowercase US-ASCII characters. Internationalized domain names MUST be A-labels as per RFC 5890."; Hence, if you want to configure a non-ASCII hostname using inet:host, you have to write it in a sequence of A-labels, i.e., using the ASCII Compatible Encoding (ACE). Hence, removing xn-- names seems to have a significant potential to break things. > If we want to allow non-ASCII names, then it would IMO be safer to use a > type that expects straight Unicode for lexical representation and leave > it to the implementations to convert to Punycode where necessary, e.g. > when querying DNS. Perhaps. But I am not sure this is the time to fix this or how this can be done in a backwards compatible way. At least this likely can't be done by disallowing ACE. It may be possible to add an additional member to the inet:host union that catches internationalized names. Since this would be enlarging the value space, I believe this is inline with the spirit of section 11 of RFC 7950. Removing the ACE names, however, restricts the value space and hence seem to contradict section 11 of RFC 7950. (The explicit removal of underscore and single letter hostnames may be considered a clarification since we have other RFCs stating these constraints.) /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Wed Jul 29 03:37:27 2020 Return-Path: <internet-drafts@ietf.org> X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 922EF3A0827; Wed, 29 Jul 2020 03:37:14 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: <i-d-announce@ietf.org> Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.11.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <159601903445.32409.11416695928247289963@ietfa.amsl.com> Date: Wed, 29 Jul 2020 03:37:14 -0700 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/LqvRWFFameAdtc_-fr2rL9oKYcg> Subject: [netmod] I-D Action: draft-ietf-netmod-geo-location-05.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 29 Jul 2020 10:37:15 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : A YANG Grouping for Geographic Locations Author : Christian Hopps Filename : draft-ietf-netmod-geo-location-05.txt Pages : 25 Date : 2020-07-29 Abstract: This document defines a generic geographical location object YANG grouping. The geographical location grouping is intended to be used in YANG models for specifying a location on or in reference to the Earth or any other astronomical object. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-geo-location/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-netmod-geo-location-05 https://datatracker.ietf.org/doc/html/draft-ietf-netmod-geo-location-05 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-geo-location-05 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From nobody Wed Jul 29 04:55:48 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D86BB3A09CF for <netmod@ietfa.amsl.com>; Wed, 29 Jul 2020 04:55:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Wt3YF4huwBKL for <netmod@ietfa.amsl.com>; Wed, 29 Jul 2020 04:55:43 -0700 (PDT) Received: from trail.lhotka.name (trail.lhotka.name [77.48.224.143]) by ietfa.amsl.com (Postfix) with ESMTP id 70FEB3A09D6 for <netmod@ietf.org>; Wed, 29 Jul 2020 04:55:42 -0700 (PDT) Received: by trail.lhotka.name (Postfix, from userid 109) id 889808600D0; Wed, 29 Jul 2020 13:46:37 +0200 (CEST) Received: from localhost (unknown [172.29.2.111]) by trail.lhotka.name (Postfix) with ESMTPSA id 509D3860062; Wed, 29 Jul 2020 13:46:35 +0200 (CEST) From: Ladislav Lhotka <ladislav.lhotka@nic.cz> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Cc: netmod@ietf.org In-Reply-To: <20200728151033.wdjojzrlffh6sebu@anna.jacobs.jacobs-university.de> References: <20200721194434.pvekzgxaus43iihg@anna.jacobs.jacobs-university.de> <AM7PR07MB62482ED4917241DBCD08E7B7A0790@AM7PR07MB6248.eurprd07.prod.outlook.com> <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> <87a6zmifpo.fsf@nic.cz> <20200726202427.oqythl6sggm4uzxe@anna.jacobs.jacobs-university.de> <87wo2p8hnw.fsf@nic.cz> <20200727104412.jxgocoaxi2u6pula@anna.jacobs.jacobs-university.de> <2521f17d-c105-503a-1fc6-4f3ecaf6e58b@nic.cz> <20200728151033.wdjojzrlffh6sebu@anna.jacobs.jacobs-university.de> Mail-Followup-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org Date: Wed, 29 Jul 2020 13:55:38 +0200 Message-ID: <87o8nyh6x1.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/xtNxqGKOBrWUweMmEXuWXGhEvYA> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 29 Jul 2020 11:55:46 -0000 Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > On Mon, Jul 27, 2020 at 03:18:25PM +0200, Ladislav Lhotka wrote: >> >> >> On 27. 07. 20 12:44, Juergen Schoenwaelder wrote: >> > On Mon, Jul 27, 2020 at 10:51:31AM +0200, Ladislav Lhotka wrote: >> >> Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: >> >> >> >>> So would the following do the right thing? >> >> >> >> The invert-match pattern also needs to be added in order to avoid reserved labels: >> > >> > Why are they illegal? If we make them illegal, how are we going to >> > deal with hosts that have non-ASCII names? >> >> I am not able to find in what sense the "Reserved LDH" labels of RFC >> 5890 are really reserved, and I am not sure about the implications of >> permitting "xn--..." hostnames to be explicitly configured. > > Right now, inet:domain-name as defined in RFC 6991 says: > > [...] > Domain-name values use the US-ASCII encoding. Their canonical > format uses lowercase US-ASCII characters. Internationalized > domain names MUST be A-labels as per RFC 5890."; > > Hence, if you want to configure a non-ASCII hostname using inet:host, > you have to write it in a sequence of A-labels, i.e., using the ASCII > Compatible Encoding (ACE). Hence, removing xn-- names seems to have a > significant potential to break things. OK. > >> If we want to allow non-ASCII names, then it would IMO be safer to use a >> type that expects straight Unicode for lexical representation and leave >> it to the implementations to convert to Punycode where necessary, e.g. >> when querying DNS. > > Perhaps. But I am not sure this is the time to fix this or how this > can be done in a backwards compatible way. At least this likely can't > be done by disallowing ACE. It may be possible to add an additional > member to the inet:host union that catches internationalized names. I think it would be better to have an extra set of parallel definitions such as idn-domain-name, or perhaps u-domain-name. Lada > Since this would be enlarging the value space, I believe this is > inline with the spirit of section 11 of RFC 7950. Removing the ACE > names, however, restricts the value space and hence seem to contradict > section 11 of RFC 7950. (The explicit removal of underscore and single > letter hostnames may be considered a clarification since we have other > RFCs stating these constraints.) > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Wed Jul 29 10:10:17 2020 Return-Path: <internet-drafts@ietf.org> X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 67D1E3A0DE6; Wed, 29 Jul 2020 10:10:05 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: <i-d-announce@ietf.org> Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.11.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <159604260534.3593.15857798577398386223@ietfa.amsl.com> Date: Wed, 29 Jul 2020 10:10:05 -0700 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/5jHq848v3ghyJca5xAy_9kQViW0> Subject: [netmod] I-D Action: draft-ietf-netmod-intf-ext-yang-10.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 29 Jul 2020 17:10:11 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : Common Interface Extension YANG Data Models Authors : Robert Wilton David Ball Tapraj Singh Selvakumar Sivaraj Filename : draft-ietf-netmod-intf-ext-yang-10.txt Pages : 34 Date : 2020-07-29 Abstract: This document defines two YANG modules that augment the Interfaces data model defined in the "YANG Data Model for Interface Management" with additional configuration and operational data nodes to support common lower layer interface properties, such as interface MTU. The YANG modules in this document conform to the Network Management Datastore Architecture (NMDA) defined in RFC 8342. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-intf-ext-yang/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-10 https://datatracker.ietf.org/doc/html/draft-ietf-netmod-intf-ext-yang-10 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-intf-ext-yang-10 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. 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boundary="_000_CH2PR19MB38612F0205FD9646A7E0FC689E700CH2PR19MB3861namp_" MIME-Version: 1.0 X-OriginatorOrg: adtran.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CH2PR19MB3861.namprd19.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 77369f0d-1eba-4556-3492-08d833ec4a4b X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Jul 2020 18:22:02.2983 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 423946e4-28c0-4deb-904c-a4a4b174fb3f X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: qJ0PVWFC+t9TF+SfhfH5q/MlEP+lWeHjEFDyxW2B/iE/Eb2rJtVTAw28na48LW5flm4OXIiP4MUGXLgwQ3F8OA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR19MB3638 Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/xhySKrlVYCJZPByCjaTemnNCISM> Subject: [netmod] identityref with multiple base statements X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 29 Jul 2020 18:22:08 -0000 --_000_CH2PR19MB38612F0205FD9646A7E0FC689E700CH2PR19MB3861namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, I am looking for some clarification regarding RFC 7950 section 9.10.2, spec= ifically this statement. Valid values for an identityref are any identities derived from all the ide= ntityref's base identities. Example: identity base-1 { description "Base identity #1."; } identity base-2 { description "Base identity #2."; } identity a { base base-1; description "Identity A."; } identity b { base base-1; base base-2; description "Identity B."; } identity c { base base-2; description "Identity C."; } leaf reference { type identityref { base base-1; base base-2; } description "Reference to an identity."; } The question is how to determine the value space for this identityref. Option #1: The value space is any identity which is derived from both base identities.= This means the only valid value in the example would be 'b'. Option #2: The value space is any identity which is derived from either base identity.= This means the valid values are 'a', 'b' and 'c'. The phrasing "...derived from all the identityref's base identities." tends= to point to Option #1 but I would like clarification on the intent. Best regards, Joey --_000_CH2PR19MB38612F0205FD9646A7E0FC689E700CH2PR19MB3861namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr= osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:= //www.w3.org/TR/REC-html40"> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"= > <meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)"> <style><!-- /* Font Definitions */ @font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0in; margin-bottom:.0001pt; font-size:11.0pt; font-family:"Calibri",sans-serif;} a:link, span.MsoHyperlink {mso-style-priority:99; color:#0563C1; 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link=3D"#0563C1" vlink=3D"#954F72"> <div class=3D"WordSection1"> <p class=3D"MsoNormal">Hi, <o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">I am looking for some clarification regarding RFC 79= 50 section 9.10.2, specifically this statement.<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">Valid values for an identityref are any identi= ties derived from all the identityref's base identities.<o:p></o:p></span><= /p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span style=3D"color:black">Example:<o:p></o:p></spa= n></p> <p class=3D"MsoNormal"><span style=3D"color:black"><o:p> </o:p></span>= </p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">identity base-1 {<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  description<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">    “Base identity #1.= 221;;<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">}<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New""><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">identity base-2 {<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  description<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">    “Base identity #2.= 221;;<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">}<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">identity a {<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  base base-1;<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  description<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">    “Identity A.”;<= o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">}<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">identity b {<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  base base-1;<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  base base-2;<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  description<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">    “Identity B.”;<= o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">}<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">identity c {<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  base base-2;<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  description<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">    “Identity C.”;<= o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">}<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black"><o:p> </o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">leaf reference {<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  type identityref {<o:p></o:p></span></p= > <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">    base base-1;<o:p></o:p></sp= an></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">    base base-2;<o:p></o:p></sp= an></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  }<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">  description<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">    “Reference to an iden= tity.”;<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Co= urier New";color:black">}<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"color:black"><o:p> </o:p></span>= </p> <p class=3D"MsoNormal"><span style=3D"color:black">The question is how to d= etermine the value space for this identityref.<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"color:black"><o:p> </o:p></span>= </p> <p class=3D"MsoNormal"><span style=3D"color:black">Option #1:<o:p></o:p></s= pan></p> <p class=3D"MsoNormal"><span style=3D"color:black">The value space is any i= dentity which is derived from both base identities. This means the only val= id value in the example would be ‘b’.<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"color:black"><o:p> </o:p></span>= </p> <p class=3D"MsoNormal"><span style=3D"color:black">Option #2:<o:p></o:p></s= pan></p> <p class=3D"MsoNormal"><span style=3D"color:black">The value space is any i= dentity which is derived from either base identity. This means the valid va= lues are ‘a’, ‘b’ and ‘c’.<o:p></o:p></= span></p> <p class=3D"MsoNormal"><span style=3D"color:black"><o:p> </o:p></span>= </p> <p class=3D"MsoNormal"><span style=3D"color:black">The phrasing “R= 30;derived from all the identityref’s base identities.” tends t= o point to Option #1 but I would like clarification on the intent.<o:p></o:= p></span></p> <p class=3D"MsoNormal"><span style=3D"color:black"><o:p> </o:p></span>= </p> <p class=3D"MsoNormal"><span style=3D"color:black">Best regards,<o:p></o:p>= </span></p> <p class=3D"MsoNormal"><span style=3D"color:black">Joey<o:p></o:p></span></= p> <p class=3D"MsoNormal"><span style=3D"color:black"><o:p> </o:p></span>= </p> </div> </body> </html> --_000_CH2PR19MB38612F0205FD9646A7E0FC689E700CH2PR19MB3861namp_-- From nobody Wed Jul 29 12:16:36 2020 Return-Path: <lberger@labn.net> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 79A453A0E3B for <netmod@ietfa.amsl.com>; 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bh=xySw3WHia4GpCw5T1oGgvMzTNDfoiwYGezM69a/WMdc=; b=qHxNLWqqQJijE6JiFbd/pqmimD u/9v+IovBKs3L7QF9HJUmqQmMmHlRumFx2ZP0dBsM/PT0huXX2LS1Z1GCLpDu6WzMELjrViu66/XR NLHSnDYA7hYlc425/Y9M9rHTf; Received: from [127.0.0.1] (port=50289 helo=[IPv6:::1]) by box313.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from <lberger@labn.net>) id 1k0rYw-002JxE-S3 for netmod@ietf.org; Wed, 29 Jul 2020 13:16:26 -0600 To: netmod@ietf.org References: <010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@email.amazonses.com> <010001736e8484b6-ffce5655-895a-4d5e-93f6-67df832b829e-000000@email.amazonses.com> <010001737c2aab5e-99a5ad19-0cca-4277-a81d-2b6f7023a772-000000@email.amazonses.com> <010001737c5ae568-58c56e67-5913-492d-8bd0-bdc34e9d6721-000000@email.amazonses.com> <0100017395f852f5-ff5e6213-e75f-442a-8331-cf92b5f62359-000000@us-east-1.amazonses.com> From: Lou Berger <lberger@labn.net> Message-ID: <b7bf4ebc-ef02-d6ab-cbb1-42c33f480001@labn.net> Date: Wed, 29 Jul 2020 15:16:24 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <0100017395f852f5-ff5e6213-e75f-442a-8331-cf92b5f62359-000000@us-east-1.amazonses.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box313.bluehost.com X-AntiAbuse: Original Domain - ietf.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - labn.net X-BWhitelist: no X-Source-IP: 127.0.0.1 X-Source-L: Yes X-Exim-ID: 1k0rYw-002JxE-S3 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([IPv6:::1]) [127.0.0.1]:50289 X-Source-Auth: lberger@labn.net X-Email-Count: 3 X-Source-Cap: bGFibm1vYmk7bGFibm1vYmk7Ym94MzEzLmJsdWVob3N0LmNvbQ== X-Local-Domain: yes Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/C8itZ-fnA0InoVphI8Hw5JIdDw0> Subject: Re: [netmod] Preliminary agenda X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Wed, 29 Jul 2020 19:16:34 -0000 just a reminder -- see you tomorrow, July 30th! https://www.timeanddate.com/worldclock/converter.html?iso=20200730T141000&p1=1440 Lou (and Kent (and Joel ;-)) On 7/28/2020 11:09 AM, Kent Watsen wrote: > NETMOD WG. > > The agenda has been updated (see below). The Etherpad link has been replaced with the CodiMD link for the session. > > Please note that CodiMD MAY be opened in another browser window or tab, in addition to the MeetEcho window. > > Kent (and Lou (and Joel)) > > > > > Agenda for the NETMOD 108 WG Session > ------------------------------------- > https://datatracker.ietf.org/meeting/108/materials/agenda-108-netmod > > > Session: > Thursday July 28th > UTC: 14:10-15:50 > > > WG Chairs: > Kent Watsen (kent plus ietf at watsen dot net) > Lou Berger (lberger at labs dot net) > Joel Jaeggli (joelja at bogus dot com) > > > Available During Session: > ICS: https://datatracker.ietf.org/meeting/108/sessions/netmod.ics > MeetEcho: https://meetings.conf.meetecho.com/ietf108/?group=netmod > Jabber: xmpp:netmod@jabber.ietf.org?join > > > Available During / After Session: > CodiMD: https://codimd.ietf.org/notes-ietf-108-netmod > Slides (TGZ): https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.tgz > Slides (PDF): https://datatracker.ietf.org/meeting/108/agenda/netmod-drafts.pdf > > > Available After Session: > Recording: https://ietf108.conf.meetecho.com/index.php/Recordings#NETMOD > Jabber Logs: https://www.ietf.org/jabber/logs/netmod > > > Introduction > > Chairs (10 minutes) > Session Intro & WG Status > > > Chartered items: > > Update on: (5 min) > - Sub-interface VLAN YANG Data Models > - Common Interface Extension YANG Data Models > https://tools.ietf.org/html/draft-ietf-netmod-sub-intf-vlan-model-07 > https://tools.ietf.org/html/draft-ietf-netmod-intf-ext-yang-09 > Rob Wilton > > General Update on the YANG Versioning Solution (5 min) > Reshad Rahman > > Updated YANG Module Revision Handling (20 min) > https://tools.ietf.org/html/draft-ietf-netmod-yang-module-versioning-01 > Reshad Rahman > > YANG Semantic Versioning (15 min) > https://tools.ietf.org/html/draft-ietf-netmod-yang-semver-01 > Joe Clarke > > Common YANG Data Types (15 min) > https://tools.ietf.org/html/draft-ietf-netmod-rfc6991-bis-04 > Juergen Schoenwaelder > > Non-Chartered items: > > Telemetry Data Self Explanation Tags (10 min) > https://tools.ietf.org/html/draft-tao-netmod-yang-node-tags-03 > Qin Wu > > > > Remaining 25 min. > > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod > From nobody Thu Jul 30 05:58:33 2020 Return-Path: <bclaise@cisco.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E9A613A1102 for <netmod@ietfa.amsl.com>; 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d="scan'208,217"; a="28350544" Received: from aer-iport-nat.cisco.com (HELO aer-core-4.cisco.com) ([173.38.203.22]) by aer-iport-1.cisco.com with ESMTP/TLS/DHE-RSA-SEED-SHA; 30 Jul 2020 12:58:24 +0000 Received: from [10.55.221.38] (ams-bclaise-nitro5.cisco.com [10.55.221.38]) (authenticated bits=0) by aer-core-4.cisco.com (8.15.2/8.15.2) with ESMTPSA id 06UCwM50015321 (version=TLSv1.2 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 30 Jul 2020 12:58:23 GMT To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, netmod@ietf.org References: <20200717191638.6wl3dqktcrnghuyl@anna.jacobs.jacobs-university.de> <87d04qzgpa.fsf@nic.cz> From: Benoit Claise <bclaise@cisco.com> Message-ID: <820fc6fe-9c50-9cb1-9666-6efbacd7f200@cisco.com> Date: Thu, 30 Jul 2020 14:58:22 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <87d04qzgpa.fsf@nic.cz> Content-Type: multipart/alternative; boundary="------------27F14D28BEAC5932E573CC0D" Content-Language: en-US X-Authenticated-User: bclaise X-Outbound-SMTP-Client: 10.55.221.38, ams-bclaise-nitro5.cisco.com X-Outbound-Node: aer-core-4.cisco.com Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/H7Vs15k103OCQdXQWQTdkxCh6pw> Subject: Re: [netmod] rfc6991bis: yang:percentage X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 12:58:32 -0000 This is a multi-part message in MIME format. --------------27F14D28BEAC5932E573CC0D Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit On 20/07/2020 11:19, Ladislav Lhotka wrote: > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > >> - Percentages are frequently used in YANG models but usages differ a >> lot in precision and range. It is not clear what the proper >> generic definition of a percentage type would be and whether it is >> worth having it. >> >> RFC 7950 example: >> >> typedef percent { type uint8 { range "0 .. 100"; } } >> >> RFC 8294: >> >> typedef percentage { type uint8 { range "0..100"; } } >> >> I-Ds: >> typedef percentage { type decimal64 { fraction-digits 5; } } >> typedef percentile { type decimal64 { fraction-digits 2; } } >> >> The yang catalogue seems to be down. :-( >> >> - Proposal: do not add a percentage type since it is trivial to >> define a context specific percentage type that matches range and >> precision requirements (and there is already a definition in RFC >> 8294 for those who need exactly that definition). > I agree with this proposal. It is also possible to use > > units percent; > > where necessary. On the other hand, when I look at the numerous percent/percentage occurrences in YANG model, it doesn't hurt to define that typedef. https://yangcatalog.org/yang-search/ => search on "node name" and typedef only We can find 56 entries from IETF, IEEE, BBF, OC, MEF, vendors Most of them points to: *typedef* percent { *type* uint8 { *range* "0 .. 100"; } } Regards, Benoit > > Lada > >> -- >> Juergen Schoenwaelder Jacobs University Bremen gGmbH >> Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany >> Fax: +49 421 200 3103 <https://www.jacobs-university.de/> >> >> _______________________________________________ >> netmod mailing list >> netmod@ietf.org >> https://www.ietf.org/mailman/listinfo/netmod --------------27F14D28BEAC5932E573CC0D Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <div class="moz-cite-prefix">On 20/07/2020 11:19, Ladislav Lhotka wrote:<br> </div> <blockquote type="cite" cite="mid:87d04qzgpa.fsf@nic.cz"> <pre class="moz-quote-pre" wrap="">Juergen Schoenwaelder <a class="moz-txt-link-rfc2396E" href="mailto:j.schoenwaelder@jacobs-university.de"><j.schoenwaelder@jacobs-university.de></a> writes: </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap=""> - Percentages are frequently used in YANG models but usages differ a lot in precision and range. It is not clear what the proper generic definition of a percentage type would be and whether it is worth having it. RFC 7950 example: typedef percent { type uint8 { range "0 .. 100"; } } RFC 8294: typedef percentage { type uint8 { range "0..100"; } } I-Ds: typedef percentage { type decimal64 { fraction-digits 5; } } typedef percentile { type decimal64 { fraction-digits 2; } } The yang catalogue seems to be down. :-( - Proposal: do not add a percentage type since it is trivial to define a context specific percentage type that matches range and precision requirements (and there is already a definition in RFC 8294 for those who need exactly that definition). </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> I agree with this proposal. It is also possible to use units percent; where necessary.</pre> </blockquote> On the other hand, when I look at the numerous percent/percentage occurrences in YANG model, it doesn't hurt to define that typedef.<br> <br> <a class="moz-txt-link-freetext" href="https://yangcatalog.org/yang-search/">https://yangcatalog.org/yang-search/</a> => search on "node name" and typedef only<br> We can find 56 entries from IETF, IEEE, BBF, OC, MEF, vendors<br> Most of them points to:<br> <blockquote> <pre><b>typedef</b> percent { <b>type</b> uint8 { <b>range</b> "0 .. 100"; } }   </pre> </blockquote> Regards, Benoit<br> <br> <br> <blockquote type="cite" cite="mid:87d04qzgpa.fsf@nic.cz"> <pre class="moz-quote-pre" wrap=""> Lada </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap=""> -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <a class="moz-txt-link-rfc2396E" href="https://www.jacobs-university.de/"><https://www.jacobs-university.de/></a> _______________________________________________ netmod mailing list <a class="moz-txt-link-abbreviated" href="mailto:netmod@ietf.org">netmod@ietf.org</a> <a class="moz-txt-link-freetext" href="https://www.ietf.org/mailman/listinfo/netmod">https://www.ietf.org/mailman/listinfo/netmod</a> </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> </pre> </blockquote> <br> </body> </html> --------------27F14D28BEAC5932E573CC0D-- From nobody Thu Jul 30 06:11:09 2020 Return-Path: <lberger@labn.net> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3FC413A1114 for <netmod@ietfa.amsl.com>; 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bh=Z+HOK7pzhDERkdcbDn8ylCHDZrVnXfvJ2FrPfGXDrQg=; b=XKTSHbwDWa7e5fTRFQ5t+Izhv1 5cSSb/nq4fn7NOS7M/NRow6SQAh1hQTBIKCcJxvBQHvGozfOrkdJSfHRnvM26jsFyikPoiYSg3zRZ 0zc4mSE68vcVUz92be7K/QWHL; Received: from [127.0.0.1] (port=44239 helo=[IPv6:::1]) by box313.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.93) (envelope-from <lberger@labn.net>) id 1k18Kr-002ce9-GN for netmod@ietf.org; Thu, 30 Jul 2020 07:11:01 -0600 From: Lou Berger <lberger@labn.net> To: netmod@ietf.org References: <010001734f1cddca-3ce75f1b-52f3-4d10-b791-494d371c1511-000000@email.amazonses.com> <010001736e8484b6-ffce5655-895a-4d5e-93f6-67df832b829e-000000@email.amazonses.com> <010001737c2aab5e-99a5ad19-0cca-4277-a81d-2b6f7023a772-000000@email.amazonses.com> <010001737c5ae568-58c56e67-5913-492d-8bd0-bdc34e9d6721-000000@email.amazonses.com> <0100017395f852f5-ff5e6213-e75f-442a-8331-cf92b5f62359-000000@us-east-1.amazonses.com> <b7bf4ebc-ef02-d6ab-cbb1-42c33f480001@labn.net> Message-ID: <8df1a8df-262c-a9dd-9504-8c29c5116bfb@labn.net> Date: Thu, 30 Jul 2020 09:10:59 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <b7bf4ebc-ef02-d6ab-cbb1-42c33f480001@labn.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box313.bluehost.com X-AntiAbuse: Original Domain - ietf.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - labn.net X-BWhitelist: no X-Source-IP: 127.0.0.1 X-Source-L: Yes X-Exim-ID: 1k18Kr-002ce9-GN X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([IPv6:::1]) [127.0.0.1]:44239 X-Source-Auth: lberger@labn.net X-Email-Count: 1 X-Source-Cap: bGFibm1vYmk7bGFibm1vYmk7Ym94MzEzLmJsdWVob3N0LmNvbQ== X-Local-Domain: yes Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/wgCC3-BBBeZA_mWe11glZ3xPt8g> Subject: [netmod] Session links... X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 13:11:08 -0000 Hi, Here are some (hopefully) useful links for today's sessions: Joint note taking: https://codimd.ietf.org/notes-ietf-108-netmod?both Session material: https://datatracker.ietf.org/meeting/108/session/netmod Join session: https://meetings.conf.meetecho.com/ietf108/?group=netmod See you soon, Lou From nobody Thu Jul 30 06:11:32 2020 Return-Path: <naikumar@cisco.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com 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ICBGYXg6ICAgKzQ5IDQyMSAyMDAgMzEwMyAgICAgICAgIDxodHRwczovL3d3dy5qYWNvYnMtdW5p dmVyc2l0eS5kZS8+DQoNCiAgICAgICAgICAgIF9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fDQogICAgICAgICAgICBuZXRtb2QgbWFpbGluZyBsaXN0DQogICAg ICAgICAgICBuZXRtb2RAaWV0Zi5vcmcNCiAgICAgICAgICAgIGh0dHBzOi8vd3d3LmlldGYub3Jn L21haWxtYW4vbGlzdGluZm8vbmV0bW9kDQoNCiAgICAgICAgICAgIF9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQogICAgICAgICAgICBuZXRtb2QgbWFpbGlu ZyBsaXN0DQogICAgICAgICAgICBuZXRtb2RAaWV0Zi5vcmcNCiAgICAgICAgICAgIGh0dHBzOi8v d3d3LmlldGYub3JnL21haWxtYW4vbGlzdGluZm8vbmV0bW9kDQoNCg0KDQo= From nobody Thu Jul 30 06:26:05 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E2B7B3A1130 for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 06:26:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO 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(anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id B204E200E4; Thu, 30 Jul 2020 15:25:57 +0200 (CEST) Date: Thu, 30 Jul 2020 15:25:57 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Benoit Claise <bclaise@cisco.com> Cc: netmod@ietf.org Message-ID: <20200730132557.n473s7layuruib3l@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Benoit Claise <bclaise@cisco.com>, netmod@ietf.org References: <20200717191638.6wl3dqktcrnghuyl@anna.jacobs.jacobs-university.de> <87d04qzgpa.fsf@nic.cz> <820fc6fe-9c50-9cb1-9666-6efbacd7f200@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <820fc6fe-9c50-9cb1-9666-6efbacd7f200@cisco.com> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/Ivvvxhokme-HD36qnSBGiEowqeQ> Subject: Re: [netmod] rfc6991bis: yang:percentage X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 13:26:03 -0000 On Thu, Jul 30, 2020 at 02:58:22PM +0200, Benoit Claise wrote: > On 20/07/2020 11:19, Ladislav Lhotka wrote: > > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > > > > > - Percentages are frequently used in YANG models but usages differ a > > > lot in precision and range. It is not clear what the proper > > > generic definition of a percentage type would be and whether it is > > > worth having it. > > > > > > RFC 7950 example: > > > > > > typedef percent { type uint8 { range "0 .. 100"; } } > > > > > > RFC 8294: > > > > > > typedef percentage { type uint8 { range "0..100"; } } > > > > > > I-Ds: > > > typedef percentage { type decimal64 { fraction-digits 5; } } > > > typedef percentile { type decimal64 { fraction-digits 2; } } > > > > > > The yang catalogue seems to be down. :-( > > > > > > - Proposal: do not add a percentage type since it is trivial to > > > define a context specific percentage type that matches range and > > > precision requirements (and there is already a definition in RFC > > > 8294 for those who need exactly that definition). > > I agree with this proposal. It is also possible to use > > > > units percent; > > > > where necessary. > On the other hand, when I look at the numerous percent/percentage > occurrences in YANG model, it doesn't hurt to define that typedef. > > https://yangcatalog.org/yang-search/ => search on "node name" and typedef > only > We can find 56 entries from IETF, IEEE, BBF, OC, MEF, vendors > Most of them points to: > > *typedef* percent { > *type* uint8 { > *range* "0 .. 100"; > > } > } > But that one is already defined in RFC 8294 in ietf-routing-types. Does it make sense to define it again in yang-types? /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Thu Jul 30 06:28:28 2020 Return-Path: <bill.wu@huawei.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E4EDE3A1138 for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 06:28:25 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1sD1QK81pqZ2 for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 06:28:24 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E55643A1137 for <netmod@ietf.org>; Thu, 30 Jul 2020 06:28:23 -0700 (PDT) Received: from lhreml722-chm.china.huawei.com (unknown [172.18.7.107]) by Forcepoint Email with ESMTP id 7FCF1AF1F8CE394C3C58; Thu, 30 Jul 2020 14:28:21 +0100 (IST) Received: from lhreml722-chm.china.huawei.com (10.201.108.73) by lhreml722-chm.china.huawei.com (10.201.108.73) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Thu, 30 Jul 2020 14:28:21 +0100 Received: from DGGEML404-HUB.china.huawei.com (10.3.17.39) by lhreml722-chm.china.huawei.com (10.201.108.73) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.1.1913.5 via Frontend Transport; Thu, 30 Jul 2020 14:28:21 +0100 Received: from DGGEML511-MBS.china.huawei.com ([169.254.4.170]) by DGGEML404-HUB.china.huawei.com ([fe80::b177:a243:7a69:5ab8%31]) with mapi id 14.03.0487.000; Thu, 30 Jul 2020 21:28:17 +0800 From: Qin Wu <bill.wu@huawei.com> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, "netmod@ietf.org" <netmod@ietf.org> Thread-Topic: [netmod] rfc6991bis: yang:longitude, yang:latitude, yang:postal-code, yang:country-code Thread-Index: AdZmdIRn8PvTNhviSjqdKZcwCSEMyw== Date: Thu, 30 Jul 2020 13:28:17 +0000 Message-ID: <B8F9A780D330094D99AF023C5877DABAAD8A8561@dggeml511-mbs.china.huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.164.151.60] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/ebekXwoJXSpopKAa7MUGqdgJgA4> Subject: Re: [netmod] rfc6991bis: yang:longitude, yang:latitude, yang:postal-code, yang:country-code X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 13:28:26 -0000 U2VlIGdlb2xvY2F0aW9uIGRlZmluaXRpb24gaW4gZHJhZnQtaWV0Zi10ZWFzLXlhbmctdGUtdG9w by0yMiB3aGljaCBkZWZpbmVzIGxvbmdpdHVkZSBhbmQgbGF0aXR1ZGUsIGFsdGl0dWRlLg0KSSBr bm93IGl0IGlzIGJlbmVmaWNpYWwgZm9yIGZ1dHVyZSBkb2N1bWVudCB0byBpbXBvcnQgdGhlc2Ug dHlwZXMgZnJvbSByZmM2OTkxYmlzIGluc3RlYWQgb2YgZnJvbSB0ZSB0b3BvIG1vZGVsLg0KDQot UWluDQotLS0tLdPKvP7Urbz+LS0tLS0NCreivP7IyzogbmV0bW9kIFttYWlsdG86bmV0bW9kLWJv dW5jZXNAaWV0Zi5vcmddILT6se0gSnVlcmdlbiBTY2hvZW53YWVsZGVyDQq3osvNyrG85DogMjAy MMTqN9TCMTjI1SAzOjE2DQrK1bz+yMs6IG5ldG1vZEBpZXRmLm9yZw0K1vfM4jogW25ldG1vZF0g cmZjNjk5MWJpczogeWFuZzpsb25naXR1ZGUsIHlhbmc6bGF0aXR1ZGUsIHlhbmc6cG9zdGFsLWNv ZGUsIHlhbmc6Y291bnRyeS1jb2RlDQoNCiAgLSBJdCB3YXMgc3VnZ2VzdGVkIHRvIGFkZCB0eXBl cyBmb3IgbG9uZ2l0dWRlLCBsYXRpdHVkZSwgcG9zdGFsDQogICAgY29kZSwgY291bnRyeS1jb2Rl LiBEbyB3ZSBnbyB0aGVyZSBvciBkbyB3ZSBsZWF2ZSB0aGVzZSBmb3Igb3RoZXINCiAgICBtb2R1 bGVzIHRvIGRlZmluZT8gSXQgc2VlbXMgc3VjaCBkZWZpbml0aW9ucyBzaG91bGQgZ28gaW50bw0K ICAgIGRyYWZ0LWlldGYtbmV0bW9kLWdlby1sb2NhdGlvbi4NCg0KICAtIEdlbyBsb2NhdGlvbiBp cyBjb3ZlcmVkIGJ5IGRyYWZ0LWlldGYtbmV0bW9kLWdlby1sb2NhdGlvbg0KICAgIChzbyBkbyBu b3RoaW5nKS4NCg0KICAtIEZvciBjb3VudHJ5IGNvZGVzLCB0aGVyZSBpcyBJU08gMzE2Niwgd2hp Y2ggZGVmaW5lcyB0d28tbGV0dGVyLA0KICAgIHRocmVlLWxldHRlciwgYW5kIG51bWVyaWMgY291 bnRyeSBjb2Rlcy4gSSBhc3N1bWUgcGVvcGxlIHdhbnRlZA0KICAgIHR3by1sZXR0ZXIgY29kZXMg KGFzIHVzZWQgaW4gdGhlIEROUyksIGkuZS4gdGhleSB3YW50IERFIGFuZCBub3QNCiAgICBERVUu IEJ1dCBub3RlIHRoYXQgaXQgaXMgR0IgYW5kIG5vdCBVSywgaS5lLiwgd2hhdCB3ZSBjb21tb25s eQ0KICAgIHVzZSBpbiB0aGUgRE5TIG1heSBub3QgYmUgZXhhY3RseSBJU08gMzE2Ni4gKFRoZSBk ZXZpbCBpcyBhbHdheXMNCiAgICBpbiB0aGUgZGV0YWlscy4pDQoNCiAgLSBGb3IgcG9zdGFsIGNv ZGVzLCBpdCBpcyB1bmNsZWFyIHdoYXQgdGhlIHJlcXVpcmVtZW50cyBhcmUgb3Igd2hhdA0KICAg IGEgcHJvcGVyIGRlZmluaXRpb24gZm9yIHBvc3RhbCBjb2RlcyBpcy4gSXQgaXMgbm90IGVudGly ZWx5IGNsZWFyDQogICAgd2hhdCB0aGUgYXV0aG9yaXRhdGl2ZSBkZWZpbml0aW9uIG9mIHRoZSBm b3JtYXQgb2YgcG9zdGFsIGNvZGVzDQogICAgaXMsIHBlcmhhcHMgdGhlIFVuaXZlcnNhbCBQb3N0 YWwgVW5pb24uDQoNCiAgLSBPcHRpb25zOiAoaSkgZG8gbm90aGluZyBvciAoaWkpIGFkZCBhIGNv dW50cnkgY29kZSBkZWZpbml0aW9uDQogICAgb25seSBvciAoaWlpKSBhZGQgYm90aCBhIGNvdW50 cnkgY29kZSBkZWZpbml0aW9uIGFuZCBhIHBvc3RhbA0KICAgIGNvZGUgZGVmaW5pdGlvbiAod2hp Y2ggbWlnaHQgYmUgdG8gc29tZSBleHRlbmQgdmFndWUpDQoNCiAgLSBQcm9wb3NhbDogZG8gbm90 aGluZw0KICANCi0tIA0KSnVlcmdlbiBTY2hvZW53YWVsZGVyICAgICAgICAgICBKYWNvYnMgVW5p dmVyc2l0eSBCcmVtZW4gZ0dtYkgNClBob25lOiArNDkgNDIxIDIwMCAzNTg3ICAgICAgICAgQ2Ft cHVzIFJpbmcgMSB8IDI4NzU5IEJyZW1lbiB8IEdlcm1hbnkNCkZheDogICArNDkgNDIxIDIwMCAz MTAzICAgICAgICAgPGh0dHBzOi8vd3d3LmphY29icy11bml2ZXJzaXR5LmRlLz4NCg0KX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18NCm5ldG1vZCBtYWlsaW5n IGxpc3QNCm5ldG1vZEBpZXRmLm9yZw0KaHR0cHM6Ly93d3cuaWV0Zi5vcmcvbWFpbG1hbi9saXN0 aW5mby9uZXRtb2QNCg== From nobody Thu Jul 30 06:31:59 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 20F993A113A for <netmod@ietfa.amsl.com>; 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Thu, 30 Jul 2020 15:31:52 +0200 (CEST) Date: Thu, 30 Jul 2020 15:31:51 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Qin Wu <bill.wu@huawei.com> Cc: "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200730133151.7nkuey47p2chqm5s@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Qin Wu <bill.wu@huawei.com>, "netmod@ietf.org" <netmod@ietf.org> References: <B8F9A780D330094D99AF023C5877DABAAD8A8561@dggeml511-mbs.china.huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <B8F9A780D330094D99AF023C5877DABAAD8A8561@dggeml511-mbs.china.huawei.com> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/YNK7AtPDFdsQ1F2nTy5btjXB9Zk> Subject: Re: [netmod] rfc6991bis: yang:longitude, yang:latitude, yang:postal-code, yang:country-code X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 13:31:58 -0000 But there is draft-ietf-netmod-geo-location-05... What about using the types defined in there? /js On Thu, Jul 30, 2020 at 01:28:17PM +0000, Qin Wu wrote: > See geolocation definition in draft-ietf-teas-yang-te-topo-22 which def= ines longitude and latitude, altitude. > I know it is beneficial for future document to import these types from = rfc6991bis instead of from te topo model. >=20 > -Qin > -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- > =E5=8F=91=E4=BB=B6=E4=BA=BA: netmod [mailto:netmod-bounces@ietf.org] =E4= =BB=A3=E8=A1=A8 Juergen Schoenwaelder > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8818=E6=97=A5= 3:16 > =E6=94=B6=E4=BB=B6=E4=BA=BA: netmod@ietf.org > =E4=B8=BB=E9=A2=98: [netmod] rfc6991bis: yang:longitude, yang:latitude,= yang:postal-code, yang:country-code >=20 > - It was suggested to add types for longitude, latitude, postal > code, country-code. Do we go there or do we leave these for other > modules to define? It seems such definitions should go into > draft-ietf-netmod-geo-location. >=20 > - Geo location is covered by draft-ietf-netmod-geo-location > (so do nothing). >=20 > - For country codes, there is ISO 3166, which defines two-letter, > three-letter, and numeric country codes. I assume people wanted > two-letter codes (as used in the DNS), i.e. they want DE and not > DEU. But note that it is GB and not UK, i.e., what we commonly > use in the DNS may not be exactly ISO 3166. (The devil is always > in the details.) >=20 > - For postal codes, it is unclear what the requirements are or what > a proper definition for postal codes is. It is not entirely clear > what the authoritative definition of the format of postal codes > is, perhaps the Universal Postal Union. >=20 > - Options: (i) do nothing or (ii) add a country code definition > only or (iii) add both a country code definition and a postal > code definition (which might be to some extend vague) >=20 > - Proposal: do nothing > =20 > --=20 > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Thu Jul 30 06:44:11 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4D33C3A1160 for <netmod@ietfa.amsl.com>; 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Thu, 30 Jul 2020 15:44:04 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS for <netmod@ietf.org>; Thu, 30 Jul 2020 15:44:04 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id D6B0920154 for <netmod@ietf.org>; Thu, 30 Jul 2020 15:44:04 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id eS1TPig2Q0u0; Thu, 30 Jul 2020 15:44:04 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 7C843200E4; Thu, 30 Jul 2020 15:44:04 +0200 (CEST) Date: Thu, 30 Jul 2020 15:44:04 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: netmod@ietf.org Message-ID: <20200730134404.5w7lubdccjmkjcfe@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: netmod@ietf.org References: <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> <87a6zmifpo.fsf@nic.cz> <20200726202427.oqythl6sggm4uzxe@anna.jacobs.jacobs-university.de> <87wo2p8hnw.fsf@nic.cz> <20200727104412.jxgocoaxi2u6pula@anna.jacobs.jacobs-university.de> <2521f17d-c105-503a-1fc6-4f3ecaf6e58b@nic.cz> <20200728151033.wdjojzrlffh6sebu@anna.jacobs.jacobs-university.de> <87o8nyh6x1.fsf@nic.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87o8nyh6x1.fsf@nic.cz> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/u1-_LVB4AhtehaOu3901Oh_-G0k> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 13:44:09 -0000 On Wed, Jul 29, 2020 at 01:55:38PM +0200, Ladislav Lhotka wrote: > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: > > >> If we want to allow non-ASCII names, then it would IMO be safer to use a > >> type that expects straight Unicode for lexical representation and leave > >> it to the implementations to convert to Punycode where necessary, e.g. > >> when querying DNS. > > > > Perhaps. But I am not sure this is the time to fix this or how this > > can be done in a backwards compatible way. At least this likely can't > > be done by disallowing ACE. It may be possible to add an additional > > member to the inet:host union that catches internationalized names. > > I think it would be better to have an extra set of parallel definitions such as idn-domain-name, or perhaps u-domain-name. > So if we define idn-domain-name, what do we do with your hostname? Have hostname derived from domain-name (as discussed before) with typedef host { type union { type inet:ip-address; type inet:host-name; } and we add typedef idn-host { type union { type inet:ip-address; type inet:idn-hostname; } and then YANG module writers can opt-in to use the new definition if they want idn host names without requiring ACE encoding? > Lada > > > Since this would be enlarging the value space, I believe this is > > inline with the spirit of section 11 of RFC 7950. Removing the ACE > > names, however, restricts the value space and hence seem to contradict > > section 11 of RFC 7950. (The explicit removal of underscore and single > > letter hostnames may be considered a clarification since we have other > > RFCs stating these constraints.) > > > > /js > > > > -- > > Juergen Schoenwaelder Jacobs University Bremen gGmbH > > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > -- > Ladislav Lhotka > Head, CZ.NIC Labs > PGP Key ID: 0xB8F92B08A9F76C67 -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Thu Jul 30 06:47:22 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E9DD33A1163 for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 06:47:20 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hhlHvgs0eGck for <netmod@ietfa.amsl.com>; 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Thu, 30 Jul 2020 15:47:16 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 59AED20154; Thu, 30 Jul 2020 15:47:16 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id ASHE1mySuUqP; Thu, 30 Jul 2020 15:47:15 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id BADF2200E4; Thu, 30 Jul 2020 15:47:15 +0200 (CEST) Date: Thu, 30 Jul 2020 15:47:15 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: "Nagendra Kumar Nainar (naikumar)" <naikumar@cisco.com> Cc: "Reshad Rahman (rrahman)" <rrahman@cisco.com>, tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org>, "Carlos Pignataro (cpignata)" <cpignata@cisco.com> Message-ID: <20200730134715.otyb4e6uqjylszdg@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: "Nagendra Kumar Nainar (naikumar)" <naikumar@cisco.com>, "Reshad Rahman (rrahman)" <rrahman@cisco.com>, tom petch <ietfc@btconnect.com>, "netmod@ietf.org" <netmod@ietf.org>, "Carlos Pignataro (cpignata)" <cpignata@cisco.com> References: <20200717192556.63e7gfbbrn2qyqzo@anna.jacobs.jacobs-university.de> <AM6PR07MB52220AD16FAC337D4F89A674A07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> <64A58592-5FD0-4752-8069-E59E62C3F699@cisco.com> <AM6PR07MB5222C7EC1927B652D7C7389DA07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> <A27BF4C9-FD50-46C0-8D95-36BD778EBAC6@cisco.com> <7D333828-EF9E-4786-B820-5B4A29B37440@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <7D333828-EF9E-4786-B820-5B4A29B37440@cisco.com> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/zxaM5YBBO83T4XllwlP_lTBts6g> Subject: Re: [netmod] rfc6991bis: loopback addresses X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 13:47:21 -0000 Thanks for pointing to the definitions in draft-nainar-mpls-lsp-ping-yang= . With that, your request is relatively clear now and the question the WG needs to answer is whether these types are common enough to warrant being part of inet-types, i.e., are there any other places where these types may be useful? /js On Thu, Jul 30, 2020 at 01:19:11PM +0000, Nagendra Kumar Nainar (naikumar= ) wrote: > Hi, >=20 > As Reshad mentioned, RFC8029 uses internal host loopback address (127..= 0.0.0/8 range as defined in section 4.2.2.11 of RFC1812). The YANG module= for LSP Ping (RFC8029) defined in draft-nainar-mpls-lsp-ping-yang is usi= ng this address and so we felt it will be good to have the same included = in the right document. >=20 > Thanks, > Nagendra >=20 > =EF=BB=BFOn 7/20/20, 2:54 PM, "Reshad Rahman (rrahman)" <rrahman@cisco.= com> wrote: >=20 > Hi, >=20 > I think what you're referring to is the use of "loopback interfaces= ". The loopback addresses Juergen was referring to do not belong to loopb= ack interfaces.=20 >=20 > Regards, > Reshad. >=20 >=20 > On 2020-07-20, 11:30 AM, "tom petch" <ietfc@btconnect.com> wrote: >=20 > From: Reshad Rahman (rrahman) <rrahman@cisco.com> > Sent: 20 July 2020 14:39 >=20 > I don't understand the comment "...implementation choice of one= manufacturer." >=20 > <tp> > Go back to the early specifications of IPv4 routers and routing= protocols, which are still the ones we use today, and loopback was a sta= te into which an interface could be put, with a loop back in hardware or = software, often used for testing. A router had a router id, a 32 bit num= ber with no syntax. One major manufacturer conflated parts of this and c= reated a virtual address or addresses which could be used to send and re= ceive packets for the router, as opposed to an interface on the router, w= hich had no physical manifestation; fine until they called it the loopbac= k address(es) which, sadly, caught on and many people, included those wri= ting IETF I-D think that the router id can only be such a routable addres= s. Some even think that there can only be one such address on a box, as = opposed to one for network management, one for the control plane and so o= n. Not so. >=20 > Tom Petch. >=20 > As for the details, see https://tools.ietf.org/html/draft-naina= r-mpls-lsp-ping-yang-00 >=20 > Regards, > Reshad. >=20 >=20 > On 2020-07-20, 4:47 AM, "netmod on behalf of tom petch" <netmod= -bounces@ietf.org on behalf of ietfc@btconnect.com> wrote: >=20 > I am not a fan of loopback seeing it as the implementation = choice of one manufacturer. On the other hand, the IETF has defined docu= mentation addresses which many if not most writers of examples for YANG m= odules seem unaware of so if we add anything, I would add those. >=20 > Tom Petch >=20 > From: netmod <netmod-bounces@ietf.org> on behalf of Juergen= Schoenwaelder <j.schoenwaelder@jacobs-university.de> > Sent: 17 July 2020 20:25 >=20 > - There was a request to add types for loopback addresses > (127.0.0.0/8 and ::1/128). >=20 > - This is related to an effort to define a YANG module fo= r MPLS LSP > Ping (RFC 8029) but the details are unclear, i.e., what= is exactly > needed and how such a type will be used and whether the= re is a > common need for types for loopback addresses. >=20 > - Proposal: do not add such types at this point in time >=20 > -- > Juergen Schoenwaelder Jacobs University Bremen gG= mbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Breme= n | Germany > Fax: +49 421 200 3103 <https://www.jacobs-univers= ity.de/> >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod >=20 >=20 >=20 --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Thu Jul 30 06:55:06 2020 Return-Path: <bill.wu@huawei.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E00F83A123C for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 06:54:58 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, 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(aer-iport-2.cisco.com [173.38.203.52]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6342A3A1171 for <netmod@ietf.org>; Thu, 30 Jul 2020 06:58:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=5860; q=dns/txt; s=iport; t=1596117501; x=1597327101; h=subject:to:references:from:message-id:date:mime-version: in-reply-to; bh=q4RDs/Vn6Hbw+knqzudpOKC/a02IcUPUJlR6xvQ6Z+o=; b=H0h0l6aYCvCSeM4klws0XmAfAMetj5+xuA+LrFuWMnl+Io796SpEVm8v QuDHMpQtr3R7xsLVLdZDNxg3iHQQ4RCtY/0sqZbcF+6PuPhlVNks0tTSq 1tdwr/BPLPrF+ssEXNc19dSerlDRLwbfMp15Tj2cqX1KfPIbtTosV5FR1 w=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0A4AACu0SJf/xbLJq1gGwEBAQEBAQE?= =?us-ascii?q?BBQEBARIBAQEDAwEBAYF4BAEBAQsBgxhUASASLIQ1iQGHciWTdoYagX0LAQE?= =?us-ascii?q?BDAEBHxAEAQGETAKCLyU2Bw4CAwEBCwEBBQEBAQIBBgRthVwMhXIBBSNmCxA?= =?us-ascii?q?IKgICVxMGAgEBgyIBgnwPrwh2gTKFUoM7gToGgTgBjSaBQT+BOAyCXT6HU4J?= =?us-ascii?q?gBJIsh0WcFoJpiFuRGAUHAx6RS44pnFKJXIsQAgQLAhWBWgYtgVczGggbFYM?= =?us-ascii?q?kUBkNlySFRD8DMDcCBgEHAQEDCZBYAQE?= X-IronPort-AV: E=Sophos; i="5.75,414,1589241600"; d="scan'208,217"; a="28353901" Received: from aer-iport-nat.cisco.com (HELO aer-core-2.cisco.com) ([173.38.203.22]) by aer-iport-2.cisco.com with ESMTP/TLS/DHE-RSA-SEED-SHA; 30 Jul 2020 13:58:17 +0000 Received: from [10.55.221.38] (ams-bclaise-nitro5.cisco.com [10.55.221.38]) (authenticated bits=0) by aer-core-2.cisco.com (8.15.2/8.15.2) with ESMTPSA id 06UDwGbX004175 (version=TLSv1.2 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for <netmod@ietf.org>; Thu, 30 Jul 2020 13:58:17 GMT To: netmod@ietf.org References: <20200717191638.6wl3dqktcrnghuyl@anna.jacobs.jacobs-university.de> <87d04qzgpa.fsf@nic.cz> <820fc6fe-9c50-9cb1-9666-6efbacd7f200@cisco.com> <20200730132557.n473s7layuruib3l@anna.jacobs.jacobs-university.de> From: Benoit Claise <bclaise@cisco.com> Message-ID: <f2bd5d63-950d-3334-7470-34a7607e2bdc@cisco.com> Date: Thu, 30 Jul 2020 15:58:16 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <20200730132557.n473s7layuruib3l@anna.jacobs.jacobs-university.de> Content-Type: multipart/alternative; boundary="------------8ECF6FF62496FA3DAC918FAF" Content-Language: en-US X-Authenticated-User: bclaise X-Outbound-SMTP-Client: 10.55.221.38, ams-bclaise-nitro5.cisco.com X-Outbound-Node: aer-core-2.cisco.com Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/GfKUWyCOTSOwD97P0_E-0VttQiU> Subject: Re: [netmod] rfc6991bis: yang:percentage X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 13:58:34 -0000 This is a multi-part message in MIME format. --------------8ECF6FF62496FA3DAC918FAF Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit On 30/07/2020 15:25, Juergen Schoenwaelder wrote: > On Thu, Jul 30, 2020 at 02:58:22PM +0200, Benoit Claise wrote: >> On 20/07/2020 11:19, Ladislav Lhotka wrote: >>> Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: >>> >>>> - Percentages are frequently used in YANG models but usages differ a >>>> lot in precision and range. It is not clear what the proper >>>> generic definition of a percentage type would be and whether it is >>>> worth having it. >>>> >>>> RFC 7950 example: >>>> >>>> typedef percent { type uint8 { range "0 .. 100"; } } >>>> >>>> RFC 8294: >>>> >>>> typedef percentage { type uint8 { range "0..100"; } } >>>> >>>> I-Ds: >>>> typedef percentage { type decimal64 { fraction-digits 5; } } >>>> typedef percentile { type decimal64 { fraction-digits 2; } } >>>> >>>> The yang catalogue seems to be down. :-( >>>> >>>> - Proposal: do not add a percentage type since it is trivial to >>>> define a context specific percentage type that matches range and >>>> precision requirements (and there is already a definition in RFC >>>> 8294 for those who need exactly that definition). >>> I agree with this proposal. It is also possible to use >>> >>> units percent; >>> >>> where necessary. >> On the other hand, when I look at the numerous percent/percentage >> occurrences in YANG model, it doesn't hurt to define that typedef. >> >> https://yangcatalog.org/yang-search/ => search on "node name" and typedef >> only >> We can find 56 entries from IETF, IEEE, BBF, OC, MEF, vendors >> Most of them points to: >> >> *typedef* percent { >> *type* uint8 { >> *range* "0 .. 100"; >> >> } >> } >> > But that one is already defined in RFC 8294 in ietf-routing-types. > Does it make sense to define it again in yang-types? My point was taht it makes sense to group typedefs in a few documents: RFC6991, 6991bis (hopefully published soon) and .... my bad,  I forgot that RFC 8294 is "Common YANG _data types_ for the routing area" So we're good. Thanks. Regards, Benoit > > /js > --------------8ECF6FF62496FA3DAC918FAF Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <div class="moz-cite-prefix">On 30/07/2020 15:25, Juergen Schoenwaelder wrote:<br> </div> <blockquote type="cite" cite="mid:20200730132557.n473s7layuruib3l@anna.jacobs.jacobs-university.de"> <pre class="moz-quote-pre" wrap="">On Thu, Jul 30, 2020 at 02:58:22PM +0200, Benoit Claise wrote: </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">On 20/07/2020 11:19, Ladislav Lhotka wrote: </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">Juergen Schoenwaelder <a class="moz-txt-link-rfc2396E" href="mailto:j.schoenwaelder@jacobs-university.de"><j.schoenwaelder@jacobs-university.de></a> writes: </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap=""> - Percentages are frequently used in YANG models but usages differ a lot in precision and range. It is not clear what the proper generic definition of a percentage type would be and whether it is worth having it. RFC 7950 example: typedef percent { type uint8 { range "0 .. 100"; } } RFC 8294: typedef percentage { type uint8 { range "0..100"; } } I-Ds: typedef percentage { type decimal64 { fraction-digits 5; } } typedef percentile { type decimal64 { fraction-digits 2; } } The yang catalogue seems to be down. :-( - Proposal: do not add a percentage type since it is trivial to define a context specific percentage type that matches range and precision requirements (and there is already a definition in RFC 8294 for those who need exactly that definition). </pre> </blockquote> <pre class="moz-quote-pre" wrap="">I agree with this proposal. It is also possible to use units percent; where necessary. </pre> </blockquote> <pre class="moz-quote-pre" wrap="">On the other hand, when I look at the numerous percent/percentage occurrences in YANG model, it doesn't hurt to define that typedef. <a class="moz-txt-link-freetext" href="https://yangcatalog.org/yang-search/">https://yangcatalog.org/yang-search/</a> => search on "node name" and typedef only We can find 56 entries from IETF, IEEE, BBF, OC, MEF, vendors Most of them points to: *typedef* percent { *type* uint8 { *range* "0 .. 100"; } } </pre> </blockquote> <pre class="moz-quote-pre" wrap=""> But that one is already defined in RFC 8294 in ietf-routing-types. Does it make sense to define it again in yang-types?</pre> </blockquote> <br> <br> My point was taht it makes sense to group typedefs in a few documents: RFC6991, 6991bis (hopefully published soon) and .... my bad,  I forgot that RFC 8294 is "Common YANG <u>data types</u> for the routing area"<br> <br> So we're good. Thanks.<br> <br> Regards, Benoit<br> <br> <blockquote type="cite" cite="mid:20200730132557.n473s7layuruib3l@anna.jacobs.jacobs-university.de"> <pre class="moz-quote-pre" wrap=""> /js </pre> </blockquote> <br> </body> </html> --------------8ECF6FF62496FA3DAC918FAF-- From nobody Thu Jul 30 07:03:07 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 76AD73A11B5 for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 07:02:57 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hqQuSWub9Tgm for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 07:02:55 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5D75B3A119F for <netmod@ietf.org>; Thu, 30 Jul 2020 07:02:55 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 6D97135C; Thu, 30 Jul 2020 16:02:53 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id d58bgJfmObYG; Thu, 30 Jul 2020 16:02:53 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Thu, 30 Jul 2020 16:02:53 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 0E59120154; Thu, 30 Jul 2020 16:02:53 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id zYuvcvFR3wvD; Thu, 30 Jul 2020 16:02:52 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 770CE200E4; Thu, 30 Jul 2020 16:02:52 +0200 (CEST) Date: Thu, 30 Jul 2020 16:02:51 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Qin Wu <bill.wu@huawei.com> Cc: "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200730140251.q7hwxc6j4kxuy5vq@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Qin Wu <bill.wu@huawei.com>, "netmod@ietf.org" <netmod@ietf.org> References: <B8F9A780D330094D99AF023C5877DABAAD8A8660@dggeml511-mbs.china.huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <B8F9A780D330094D99AF023C5877DABAAD8A8660@dggeml511-mbs.china.huawei.com> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/kHlmlBEmbTORwjjQuzqilvxADCU> Subject: Re: [netmod] rfc6991bis: yang:longitude, yang:latitude, yang:postal-code, yang:country-code X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 14:03:05 -0000 But then perhaps draft-ietf-netmod-geo-location-05 needs to be updated or you need to use a grouping. I think we should not have overlapping work in different documents. /js On Thu, Jul 30, 2020 at 01:54:43PM +0000, Qin Wu wrote: > That is a good option, but draft-ietf-netmod-geo-location-05 only defin= e grouping, there is typedef for longitude and latitude, altitude.=20 >=20 > -Qin > -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- > =E5=8F=91=E4=BB=B6=E4=BA=BA: Juergen Schoenwaelder [mailto:j.schoenwael= der@jacobs-university.de]=20 > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8830=E6=97=A5= 21:32 > =E6=94=B6=E4=BB=B6=E4=BA=BA: Qin Wu <bill.wu@huawei.com> > =E6=8A=84=E9=80=81: netmod@ietf.org > =E4=B8=BB=E9=A2=98: Re: [netmod] rfc6991bis: yang:longitude, yang:latit= ude, yang:postal-code, yang:country-code >=20 > But there is draft-ietf-netmod-geo-location-05... What about using the = types defined in there? >=20 > /js >=20 > On Thu, Jul 30, 2020 at 01:28:17PM +0000, Qin Wu wrote: > > See geolocation definition in draft-ietf-teas-yang-te-topo-22 which d= efines longitude and latitude, altitude. > > I know it is beneficial for future document to import these types fro= m rfc6991bis instead of from te topo model. > >=20 > > -Qin > > -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- > > =E5=8F=91=E4=BB=B6=E4=BA=BA: netmod [mailto:netmod-bounces@ietf.org] = =E4=BB=A3=E8=A1=A8 Juergen Schoenwaelder > > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8818=E6=97= =A5 3:16 > > =E6=94=B6=E4=BB=B6=E4=BA=BA: netmod@ietf.org > > =E4=B8=BB=E9=A2=98: [netmod] rfc6991bis: yang:longitude, yang:latitud= e,=20 > > yang:postal-code, yang:country-code > >=20 > > - It was suggested to add types for longitude, latitude, postal > > code, country-code. Do we go there or do we leave these for other > > modules to define? It seems such definitions should go into > > draft-ietf-netmod-geo-location. > >=20 > > - Geo location is covered by draft-ietf-netmod-geo-location > > (so do nothing). > >=20 > > - For country codes, there is ISO 3166, which defines two-letter, > > three-letter, and numeric country codes. I assume people wanted > > two-letter codes (as used in the DNS), i.e. they want DE and not > > DEU. But note that it is GB and not UK, i.e., what we commonly > > use in the DNS may not be exactly ISO 3166. (The devil is always > > in the details.) > >=20 > > - For postal codes, it is unclear what the requirements are or what > > a proper definition for postal codes is. It is not entirely clear > > what the authoritative definition of the format of postal codes > > is, perhaps the Universal Postal Union. > >=20 > > - Options: (i) do nothing or (ii) add a country code definition > > only or (iii) add both a country code definition and a postal > > code definition (which might be to some extend vague) > >=20 > > - Proposal: do nothing > > =20 > > --=20 > > Juergen Schoenwaelder Jacobs University Bremen gGmbH > > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | German= y > > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > >=20 > > _______________________________________________ > > netmod mailing list > > netmod@ietf.org > > https://www.ietf.org/mailman/listinfo/netmod >=20 > --=20 > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Thu Jul 30 07:03:15 2020 Return-Path: <ladislav.lhotka@nic.cz> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B29703A11E7 for <netmod@ietfa.amsl.com>; 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Thu, 30 Jul 2020 16:02:58 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1596117778; bh=hhdwJvuJiBsm2d0wsTX7shgpHbexmZzDp8T1YJiSk7E=; h=From:To:Date; b=ssYnkG3hgBCY9SMHXO9u/uIDVhLDVuV2NcJGruOIFdzjWiYiVsmEtx3ErMUJegGvY 8s7ocGHh2DrXcZw4+B6YDysGeAM/t8CBhpeO56KuxY1353Zl9zZ96tRu3x4l+YrBgt e+T0ISHndrfYPk2TqMzbN616LEAiQj5ilwZlqlLo= From: Ladislav Lhotka <ladislav.lhotka@nic.cz> References: <20200722110030.6c7r6utxgjbsilkq@anna.jacobs.jacobs-university.de> <ff42e4cb-957c-a4f0-a88b-333a6565ed8e@nic.cz> <20200724083617.u3wkr34ehjezmusq@anna.jacobs.jacobs-university.de> <87a6zmifpo.fsf@nic.cz> <20200726202427.oqythl6sggm4uzxe@anna.jacobs.jacobs-university.de> <87wo2p8hnw.fsf@nic.cz> <20200727104412.jxgocoaxi2u6pula@anna.jacobs.jacobs-university.de> <2521f17d-c105-503a-1fc6-4f3ecaf6e58b@nic.cz> <20200728151033.wdjojzrlffh6sebu@anna.jacobs.jacobs-university.de> <87o8nyh6x1.fsf@nic.cz> <20200730134404.5w7lubdccjmkjcfe@anna.jacobs.jacobs-university.de> To: netmod <netmod@ietf.org> Autocrypt: addr=ladislav.lhotka@nic.cz; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200730134404.5w7lubdccjmkjcfe@anna.jacobs.jacobs-university.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.102.2 at mail X-Virus-Status: Clean Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/rVbthrrbBtj9mjFfzDH6GA2ne6E> Subject: Re: [netmod] rfc6991bis: inet:host X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 14:03:09 -0000 On 30. 07. 20 15:44, Juergen Schoenwaelder wrote: > On Wed, Jul 29, 2020 at 01:55:38PM +0200, Ladislav Lhotka wrote: >> Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> writes: >> >>>> If we want to allow non-ASCII names, then it would IMO be safer to use a >>>> type that expects straight Unicode for lexical representation and leave >>>> it to the implementations to convert to Punycode where necessary, e.g. >>>> when querying DNS. >>> >>> Perhaps. But I am not sure this is the time to fix this or how this >>> can be done in a backwards compatible way. At least this likely can't >>> be done by disallowing ACE. It may be possible to add an additional >>> member to the inet:host union that catches internationalized names. >> >> I think it would be better to have an extra set of parallel definitions such as idn-domain-name, or perhaps u-domain-name. >> > > So if we define idn-domain-name, what do we do with your hostname? > Have hostname derived from domain-name (as discussed before) with > > typedef host { > type union { > type inet:ip-address; > type inet:host-name; > } > > and we add > > typedef idn-host { > type union { > type inet:ip-address; > type inet:idn-hostname; > } > > and then YANG module writers can opt-in to use the new definition if > they want idn host names without requiring ACE encoding? Yes, that was my idea. If IDN becomes widespread (ever), the "idn-host" version would be much easier to use. Lada > >> Lada >> >>> Since this would be enlarging the value space, I believe this is >>> inline with the spirit of section 11 of RFC 7950. Removing the ACE >>> names, however, restricts the value space and hence seem to contradict >>> section 11 of RFC 7950. (The explicit removal of underscore and single >>> letter hostnames may be considered a clarification since we have other >>> RFCs stating these constraints.) >>> >>> /js >>> >>> -- >>> Juergen Schoenwaelder Jacobs University Bremen gGmbH >>> Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany >>> Fax: +49 421 200 3103 <https://www.jacobs-university.de/> >> >> -- >> Ladislav Lhotka >> Head, CZ.NIC Labs >> PGP Key ID: 0xB8F92B08A9F76C67 > -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Thu Jul 30 08:00:12 2020 Return-Path: <bill.wu@huawei.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 41ACA3A043E for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 08:00:10 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 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h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=mplTiymMBNjfd1cHXLgpYOctQueWFNEfjxzry//dAL0=; b=ukoJkOFDfCdGTPe2dNBTOx6flsgGLJKH1EBAaRpHkAgqW4UBK9q4la0TloYkBd9BDC jVqF0XvclA1EFSro8PnNmda8jcaoBtl+a8tSQAYfDsPxBeJ0RxRyHrPGbAm/wXQndmc7 PVKroCJveV/8R4iaGs9TBE+o5+6n7W5U0t+YECrfRrMiFRfjPZ+KpxpTVe4KCAfJe0j4 wrIzWFDmv77oxlPb5heltWfd/subcuaRcCi8HzYkc+4WVwGXkQeDXZkh6h41iUMfA5Fz yunJVhHOocDga4jMz8K8G3Y92dBm4w5VpmE+0MMIW+kkjIR5HfOkNVYzGIkDmYlHXoTX mupQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=mplTiymMBNjfd1cHXLgpYOctQueWFNEfjxzry//dAL0=; b=lkdu4YUOFv+dmfJ4/PEV84FHx4Ih/QOnSSerE4+Up8r4Hc/qwmPnqrOEWSITfu5sMz /DZpMnvGiYKhl+5ZDXHBZVEUvUpHxYa1MY4yyQgw7gC+C4F0pGoj+qz5w3l9rW+I8foR cBHhFoj/DW23B3TwrNEQQ+5tqSxbawRFT/NgzRFUZAlkAjo4q8Ss3tWdAI6eCQin8BNS xsFqX7iZzyOBjg7ikQVlG/gHTSu11ub4Pt6qrcHTW0+7sD8HHly/s/0dmznGEwyL/E4L 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<bclaise=40cisco.com@dmarc.ietf.org> Cc: NetMod WG <netmod@ietf.org> Content-Type: multipart/alternative; boundary="000000000000e9dfbf05abaa9b9f" Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/m9DzWv2IbB5RzIh8-tKl95mOMvY> Subject: Re: [netmod] rfc6991bis: yang:percentage X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 15:48:56 -0000 --000000000000e9dfbf05abaa9b9f Content-Type: text/plain; charset="UTF-8" except that percent doesn't really seem like a routing-specific data type! (perhaps the "right" thing to do is to deprecate, and eventually obsolete, the routing one and define it in a core netmod module?) On Thu, 30 Jul 2020 at 14:59, Benoit Claise <bclaise= 40cisco.com@dmarc.ietf.org> wrote: > On 30/07/2020 15:25, Juergen Schoenwaelder wrote: > > On Thu, Jul 30, 2020 at 02:58:22PM +0200, Benoit Claise wrote: > > On 20/07/2020 11:19, Ladislav Lhotka wrote: > > Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> <j.schoenwaelder@jacobs-university.de> writes: > > > - Percentages are frequently used in YANG models but usages differ a > lot in precision and range. It is not clear what the proper > generic definition of a percentage type would be and whether it is > worth having it. > > RFC 7950 example: > > typedef percent { type uint8 { range "0 .. 100"; } } > > RFC 8294: > > typedef percentage { type uint8 { range "0..100"; } } > > I-Ds: > typedef percentage { type decimal64 { fraction-digits 5; } } > typedef percentile { type decimal64 { fraction-digits 2; } } > > The yang catalogue seems to be down. :-( > > - Proposal: do not add a percentage type since it is trivial to > define a context specific percentage type that matches range and > precision requirements (and there is already a definition in RFC > 8294 for those who need exactly that definition). > > I agree with this proposal. It is also possible to use > > units percent; > > where necessary. > > On the other hand, when I look at the numerous percent/percentage > occurrences in YANG model, it doesn't hurt to define that typedef. > https://yangcatalog.org/yang-search/ => search on "node name" and typedef > only > We can find 56 entries from IETF, IEEE, BBF, OC, MEF, vendors > Most of them points to: > > *typedef* percent { > *type* uint8 { > *range* "0 .. 100"; > > } > } > > > But that one is already defined in RFC 8294 in ietf-routing-types. > Does it make sense to define it again in yang-types? > > > > My point was taht it makes sense to group typedefs in a few documents: > RFC6991, 6991bis (hopefully published soon) and .... my bad, I forgot that > RFC 8294 is "Common YANG *data types* for the routing area" > > So we're good. Thanks. > > Regards, Benoit > > /js > > > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod > --000000000000e9dfbf05abaa9b9f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr">except that percent doesn't really seem like a routing= -specific data type!<div><br></div><div>(perhaps the "right" thin= g to do is to deprecate, and eventually obsolete, the routing one and defin= e it in a core netmod module?)</div></div><br><div class=3D"gmail_quote"><d= iv dir=3D"ltr" class=3D"gmail_attr">On Thu, 30 Jul 2020 at 14:59, Benoit Cl= aise <bclaise=3D<a href=3D"mailto:40cisco.com@dmarc.ietf.org">40cisco.co= m@dmarc.ietf.org</a>> wrote:<br></div><blockquote class=3D"gmail_quote" = style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pa= dding-left:1ex"> =20 =20 =20 <div> <div>On 30/07/2020 15:25, Juergen Schoenwaelder wrote:<br> </div> <blockquote type=3D"cite"> <pre>On Thu, Jul 30, 2020 at 02:58:22PM +0200, Benoit Claise wrote: </pre> <blockquote type=3D"cite"> <pre>On 20/07/2020 11:19, Ladislav Lhotka wrote: </pre> <blockquote type=3D"cite"> <pre>Juergen Schoenwaelder <a href=3D"mailto:j.schoenwaelder@jaco= bs-university.de" target=3D"_blank"><j.schoenwaelder@jacobs-university.d= e></a> writes: </pre> <blockquote type=3D"cite"> <pre> - Percentages are frequently used in YANG models but us= ages differ a lot in precision and range. It is not clear what the proper generic definition of a percentage type would be and whether it is worth having it. RFC 7950 example: typedef percent { type uint8 { range "0 .. 100"; } } RFC 8294: typedef percentage { type uint8 { range "0..100"; } } I-Ds: typedef percentage { type decimal64 { fraction-digits 5; } } typedef percentile { type decimal64 { fraction-digits 2; } } The yang catalogue seems to be down. :-( - Proposal: do not add a percentage type since it is trivial to define a context specific percentage type that matches range and precision requirements (and there is already a definition in RFC 8294 for those who need exactly that definition). </pre> </blockquote> <pre>I agree with this proposal. It is also possible to use units percent; where necessary. </pre> </blockquote> <pre>On the other hand, when I look at the numerous percent/percent= age occurrences in YANG model, it doesn't hurt to define that typedef. <a href=3D"https://yangcatalog.org/yang-search/" target=3D"_blank">https://= yangcatalog.org/yang-search/</a> =3D> search on "node name" an= d typedef only We can find 56 entries from IETF, IEEE, BBF, OC, MEF, vendors Most of them points to: *typedef* percent { *type* uint8 { *range* "0 .. 100"; } } </pre> </blockquote> <pre>But that one is already defined in RFC 8294 in ietf-routing-type= s. Does it make sense to define it again in yang-types?</pre> </blockquote> <br> <br> My point was taht it makes sense to group typedefs in a few documents: RFC6991, 6991bis (hopefully published soon) and .... my bad,=C2=A0 I forgot that RFC 8294 is "Common YANG <u>data types</u= > for the routing area"<br> <br> So we're good. Thanks.<br> <br> Regards, Benoit<br> <br> <blockquote type=3D"cite"> <pre>/js </pre> </blockquote> <br> </div> _______________________________________________<br> netmod mailing list<br> <a href=3D"mailto:netmod@ietf.org" target=3D"_blank">netmod@ietf.org</a><br= > <a href=3D"https://www.ietf.org/mailman/listinfo/netmod" rel=3D"noreferrer"= target=3D"_blank">https://www.ietf.org/mailman/listinfo/netmod</a><br> </blockquote></div> --000000000000e9dfbf05abaa9b9f-- From nobody Thu Jul 30 08:59:29 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id DB90B3A0A93 for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 08:59:22 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zb2pYWtZlBff for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 08:59:20 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0CFBD3A0AFD for <netmod@ietf.org>; Thu, 30 Jul 2020 08:58:41 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id 3B21C6F4; Thu, 30 Jul 2020 17:58:40 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id t1D1aO_5Bm4L; Thu, 30 Jul 2020 17:58:39 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Thu, 30 Jul 2020 17:58:39 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id D1AF720154; Thu, 30 Jul 2020 17:58:39 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id jOhEkEFm7H5P; Thu, 30 Jul 2020 17:58:39 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 50883200E4; Thu, 30 Jul 2020 17:58:39 +0200 (CEST) Date: Thu, 30 Jul 2020 17:58:38 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: William Lupton <wlupton@broadband-forum.org> Cc: Benoit Claise <bclaise=40cisco.com@dmarc.ietf.org>, NetMod WG <netmod@ietf.org> Message-ID: <20200730155838.dgefxdkpr5jka2s6@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: William Lupton <wlupton@broadband-forum.org>, Benoit Claise <bclaise=40cisco.com@dmarc.ietf.org>, NetMod WG <netmod@ietf.org> References: <20200717191638.6wl3dqktcrnghuyl@anna.jacobs.jacobs-university.de> <87d04qzgpa.fsf@nic.cz> <820fc6fe-9c50-9cb1-9666-6efbacd7f200@cisco.com> <20200730132557.n473s7layuruib3l@anna.jacobs.jacobs-university.de> <f2bd5d63-950d-3334-7470-34a7607e2bdc@cisco.com> <CAEe_xxgO2FdYwnjwiTseSDY7ztegGbGDVMYF-mRyKRMEtFu7gA@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <CAEe_xxgO2FdYwnjwiTseSDY7ztegGbGDVMYF-mRyKRMEtFu7gA@mail.gmail.com> Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/hjUGJ9lIIpPJ5nGnMgNzSrjmbzI> Subject: Re: [netmod] rfc6991bis: yang:percentage X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 15:59:23 -0000 On Thu, Jul 30, 2020 at 04:48:41PM +0100, William Lupton wrote: > except that percent doesn't really seem like a routing-specific data type! > > (perhaps the "right" thing to do is to deprecate, and eventually obsolete, > the routing one and define it in a core netmod module?) > Yes, the percentage type is not not routing specific. But if we choose to go down this route, we likely have to move more definitions, I also see timeticks64 and uint24 in RFC 8294 that don't seem to be routing specific. Since RFC 8294 comes from a different WG in a different IETF "area", deprecation requires some internal communication and collaboration (but not deprecating also won't hurt much for these fairly simple types). /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Thu Jul 30 09:23:42 2020 Return-Path: <j.schoenwaelder@jacobs-university.de> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B66873A0BCA; Thu, 30 Jul 2020 09:23:32 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id U_QyWRcedCUP; Thu, 30 Jul 2020 09:23:29 -0700 (PDT) Received: from atlas5.jacobs-university.de (atlas5.jacobs-university.de [212.201.44.20]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 698893A0BCE; Thu, 30 Jul 2020 09:23:29 -0700 (PDT) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by atlas5.jacobs-university.de (Postfix) with ESMTP id CACB9D6B; Thu, 30 Jul 2020 18:23:27 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from atlas5.jacobs-university.de ([10.70.0.198]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10032) with ESMTP id gggGh-CIE3tY; Thu, 30 Jul 2020 18:23:27 +0200 (CEST) Received: from hermes.jacobs-university.de (hermes.jacobs-university.de [212.201.44.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hermes.jacobs-university.de", Issuer "DFN-Verein Global Issuing CA" (verified OK)) by atlas5.jacobs-university.de (Postfix) with ESMTPS; Thu, 30 Jul 2020 18:23:27 +0200 (CEST) Received: from localhost (demetrius5.irc-it.jacobs-university.de [10.70.0.222]) by hermes.jacobs-university.de (Postfix) with ESMTP id 6F03420154; Thu, 30 Jul 2020 18:23:27 +0200 (CEST) X-Virus-Scanned: amavisd-new at jacobs-university.de Received: from hermes.jacobs-university.de ([212.201.44.23]) by localhost (demetrius5.jacobs-university.de [10.70.0.222]) (amavisd-new, port 10028) with ESMTP id b_2jgJPkLmF3; Thu, 30 Jul 2020 18:23:26 +0200 (CEST) Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id CBCD7200E4; Thu, 30 Jul 2020 18:23:26 +0200 (CEST) Date: Thu, 30 Jul 2020 18:23:26 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: Qin Wu <bill.wu@huawei.com>, "netmod@ietf.org" <netmod@ietf.org> Cc: chopps@chopps.org, netmod-chairs@ietf.org Message-ID: <20200730162326.b2pcn646d2bk45iy@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: Qin Wu <bill.wu@huawei.com>, "netmod@ietf.org" <netmod@ietf.org>, chopps@chopps.org, netmod-chairs@ietf.org References: <B8F9A780D330094D99AF023C5877DABAAD8A8660@dggeml511-mbs.china.huawei.com> <20200730140251.q7hwxc6j4kxuy5vq@anna.jacobs.jacobs-university.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200730140251.q7hwxc6j4kxuy5vq@anna.jacobs.jacobs-university.de> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/4coZhsEXp8_3T0J7wkDZWq8c1pM> Subject: Re: [netmod] rfc6991bis: yang:longitude, yang:latitude, yang:postal-code, yang:country-code X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 16:23:33 -0000 Looking in the I-Ds, I see that draft-ietf-netmod-geo-location-05 defines a grouping geo-location. draft-ietf-teas-yang-te-topo-22 has: +--ro geolocation +--ro altitude? int64 +--ro latitude? geographic-coordinate-degree +--ro longitude? geographic-coordinate-degree You might simply use the grouping here that comes out of draft-ietf-netmod-geo-location-05 - but then the grouping is also a bit more complex than what you have. Unfortunately, draft-ietf-netmod-geo-location-05 does not define helper types. The latitude and longitude leafs are simply decimal64s with all details spelled out inline: leaf latitude { type decimal64 { fraction-digits 16; } units "decimal degrees"; description "The latitude value on the astronomical body. The definition and precision of this measurement is indicated by the reference-frame value."; } leaf longitude { type decimal64 { fraction-digits 16; } units "decimal degrees"; description "The longitude value on the astronomical body. The definition and precision of this measurement is indicated by the reference-frame."; } The teas document has typedef geographic-coordinate-degree { type decimal64 { fraction-digits 8; } description "Decimal degree (DD) used to express latitude and longitude geographic coordinates."; } =20 leaf latitude { type geographic-coordinate-degree { range "-90..90"; } description "Relative position north or south on the Earth's surface."; } leaf longitude { type geographic-coordinate-degree { range "-180..180"; } description "Angular distance east or west on the Earth's surface."; } Note also the differences in the precision. Obviously, draft-ietf-netmod-geo-location-05 could have defined helper types like typedef latitude { type decimal64 { fraction-digits 16; } units "decimal degrees"; description "The latitude value on the astronomical body."; } typdef longitude { type decimal64 { fraction-digits 16; } units "decimal degrees"; description "The longitude value on the astronomical body. The definition and precision of this measurement is indicated by the reference-frame."; } and a bunch more and used them to define the leafs. These types could then have been reused in situations where the grouping in all its details is not needed. I am not entirely sure where draft-ietf-netmod-geo-location-05 is in the WG process, the datatracker says "In WG Last Call, Revised I-D Needed - Issue raised by WGLC" - so perhaps there is a chance to get the inline type definitions factored out so that they can be reused. I think this is something where the input from Chris Hopps and the NETMOD chairs is important to determine the path forward. Since we have an ietf-geo-location module, I would prefer to have common types for location information defined there and not in yang-types. /js On Thu, Jul 30, 2020 at 04:02:51PM +0200, Juergen Schoenwaelder wrote: > But then perhaps draft-ietf-netmod-geo-location-05 needs to be updated > or you need to use a grouping. I think we should not have overlapping > work in different documents. >=20 > /js >=20 > On Thu, Jul 30, 2020 at 01:54:43PM +0000, Qin Wu wrote: > > That is a good option, but draft-ietf-netmod-geo-location-05 only def= ine grouping, there is typedef for longitude and latitude, altitude.=20 > >=20 > > -Qin > > -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- > > =E5=8F=91=E4=BB=B6=E4=BA=BA: Juergen Schoenwaelder [mailto:j.schoenwa= elder@jacobs-university.de]=20 > > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8830=E6=97= =A5 21:32 > > =E6=94=B6=E4=BB=B6=E4=BA=BA: Qin Wu <bill.wu@huawei.com> > > =E6=8A=84=E9=80=81: netmod@ietf.org > > =E4=B8=BB=E9=A2=98: Re: [netmod] rfc6991bis: yang:longitude, yang:lat= itude, yang:postal-code, yang:country-code > >=20 > > But there is draft-ietf-netmod-geo-location-05... What about using th= e types defined in there? > >=20 > > /js > >=20 > > On Thu, Jul 30, 2020 at 01:28:17PM +0000, Qin Wu wrote: > > > See geolocation definition in draft-ietf-teas-yang-te-topo-22 which= defines longitude and latitude, altitude. > > > I know it is beneficial for future document to import these types f= rom rfc6991bis instead of from te topo model. > > >=20 > > > -Qin > > > -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- > > > =E5=8F=91=E4=BB=B6=E4=BA=BA: netmod [mailto:netmod-bounces@ietf.org= ] =E4=BB=A3=E8=A1=A8 Juergen Schoenwaelder > > > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8818=E6=97= =A5 3:16 > > > =E6=94=B6=E4=BB=B6=E4=BA=BA: netmod@ietf.org > > > =E4=B8=BB=E9=A2=98: [netmod] rfc6991bis: yang:longitude, yang:latit= ude,=20 > > > yang:postal-code, yang:country-code > > >=20 > > > - It was suggested to add types for longitude, latitude, postal > > > code, country-code. Do we go there or do we leave these for oth= er > > > modules to define? It seems such definitions should go into > > > draft-ietf-netmod-geo-location. > > >=20 > > > - Geo location is covered by draft-ietf-netmod-geo-location > > > (so do nothing). > > >=20 > > > - For country codes, there is ISO 3166, which defines two-letter, > > > three-letter, and numeric country codes. I assume people wanted > > > two-letter codes (as used in the DNS), i.e. they want DE and no= t > > > DEU. But note that it is GB and not UK, i.e., what we commonly > > > use in the DNS may not be exactly ISO 3166. (The devil is alway= s > > > in the details.) > > >=20 > > > - For postal codes, it is unclear what the requirements are or wh= at > > > a proper definition for postal codes is. It is not entirely cle= ar > > > what the authoritative definition of the format of postal codes > > > is, perhaps the Universal Postal Union. > > >=20 > > > - Options: (i) do nothing or (ii) add a country code definition > > > only or (iii) add both a country code definition and a postal > > > code definition (which might be to some extend vague) > > >=20 > > > - Proposal: do nothing > > > =20 > > > --=20 > > > Juergen Schoenwaelder Jacobs University Bremen gGmbH > > > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germ= any > > > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> > > >=20 > > > _______________________________________________ > > > netmod mailing list > > > netmod@ietf.org > > > https://www.ietf.org/mailman/listinfo/netmod > >=20 > > --=20 > > Juergen Schoenwaelder Jacobs University Bremen gGmbH > > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | German= y > > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> >=20 > --=20 > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/> --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/> From nobody Thu Jul 30 09:38:24 2020 Return-Path: <chopps@chopps.org> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A1B3E3A0475; Thu, 30 Jul 2020 09:38:21 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.896 X-Spam-Level: X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9egvDbUQJ3RD; Thu, 30 Jul 2020 09:38:19 -0700 (PDT) Received: from smtp.chopps.org (smtp.chopps.org [54.88.81.56]) by ietfa.amsl.com (Postfix) with ESMTP id 7C09F3A040F; Thu, 30 Jul 2020 09:38:18 -0700 (PDT) Received: from stubbs.int.chopps.org (047-050-069-038.biz.spectrum.com [47.50.69.38]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by smtp.chopps.org (Postfix) with ESMTPSA id 7D42C61669; Thu, 30 Jul 2020 16:38:17 +0000 (UTC) From: Christian Hopps <chopps@chopps.org> Message-Id: <9546C16C-C108-463F-A5D5-2F33DA131E82@chopps.org> Content-Type: multipart/signed; boundary="Apple-Mail=_9002F501-D708-460E-B7E9-34820D76BDB7"; protocol="application/pgp-signature"; micalg=pgp-sha512 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Thu, 30 Jul 2020 12:38:16 -0400 In-Reply-To: <20200730162326.b2pcn646d2bk45iy@anna.jacobs.jacobs-university.de> Cc: Christian Hopps <chopps@chopps.org>, Qin Wu <bill.wu@huawei.com>, "netmod@ietf.org" <netmod@ietf.org>, netmod-chairs@ietf.org To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> References: <B8F9A780D330094D99AF023C5877DABAAD8A8660@dggeml511-mbs.china.huawei.com> <20200730140251.q7hwxc6j4kxuy5vq@anna.jacobs.jacobs-university.de> <20200730162326.b2pcn646d2bk45iy@anna.jacobs.jacobs-university.de> X-Mailer: Apple Mail (2.3608.80.23.2.2) Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/3DT2aBcdaDz3uZkwfHtViJZ-olc> Subject: Re: [netmod] rfc6991bis: yang:longitude, yang:latitude, yang:postal-code, yang:country-code X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 16:38:22 -0000 --Apple-Mail=_9002F501-D708-460E-B7E9-34820D76BDB7 Content-Type: multipart/alternative; boundary="Apple-Mail=_8B59018A-AAB6-4A2A-A5A3-5C4612DCCB62" --Apple-Mail=_8B59018A-AAB6-4A2A-A5A3-5C4612DCCB62 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 I received specific external feedback from the geo experts to just use a = number instead of a type. I think they may have been thinking that it = would be easier to redefine the values meaning for different systems. Thanks, Chris. > On Jul 30, 2020, at 12:23 PM, Juergen Schoenwaelder = <j.schoenwaelder@jacobs-university.de> wrote: >=20 > Looking in the I-Ds, I see that draft-ietf-netmod-geo-location-05 > defines a grouping geo-location. draft-ietf-teas-yang-te-topo-22 > has: >=20 > +--ro geolocation > +--ro altitude? int64 > +--ro latitude? geographic-coordinate-degree > +--ro longitude? geographic-coordinate-degree >=20 > You might simply use the grouping here that comes out of > draft-ietf-netmod-geo-location-05 - but then the grouping is > also a bit more complex than what you have. >=20 > Unfortunately, draft-ietf-netmod-geo-location-05 does not define > helper types. The latitude and longitude leafs are simply decimal64s > with all details spelled out inline: >=20 > leaf latitude { > type decimal64 { > fraction-digits 16; > } > units "decimal degrees"; > description > "The latitude value on the astronomical body. The > definition and precision of this measurement is > indicated by the reference-frame value."; > } > leaf longitude { > type decimal64 { > fraction-digits 16; > } > units "decimal degrees"; > description > "The longitude value on the astronomical body. The > definition and precision of this measurement is > indicated by the reference-frame."; > } >=20 > The teas document has >=20 > typedef geographic-coordinate-degree { > type decimal64 { > fraction-digits 8; > } > description > "Decimal degree (DD) used to express latitude and longitude > geographic coordinates."; > } >=20 > leaf latitude { > type geographic-coordinate-degree { > range "-90..90"; > } > description > "Relative position north or south on the Earth's surface."; > } >=20 > leaf longitude { > type geographic-coordinate-degree { > range "-180..180"; > } > description > "Angular distance east or west on the Earth's surface."; > } >=20 > Note also the differences in the precision. Obviously, > draft-ietf-netmod-geo-location-05 could have defined > helper types like >=20 > typedef latitude { > type decimal64 { > fraction-digits 16; > } > units "decimal degrees"; > description > "The latitude value on the astronomical body."; > } >=20 > typdef longitude { > type decimal64 { > fraction-digits 16; > } > units "decimal degrees"; > description > "The longitude value on the astronomical body. The > definition and precision of this measurement is > indicated by the reference-frame."; > } >=20 > and a bunch more and used them to define the leafs. These types could > then have been reused in situations where the grouping in all its > details is not needed. >=20 > I am not entirely sure where draft-ietf-netmod-geo-location-05 is in > the WG process, the datatracker says "In WG Last Call, Revised I-D > Needed - Issue raised by WGLC" - so perhaps there is a chance to get > the inline type definitions factored out so that they can be reused. >=20 > I think this is something where the input from Chris Hopps and the > NETMOD chairs is important to determine the path forward. Since we > have an ietf-geo-location module, I would prefer to have common types > for location information defined there and not in yang-types. >=20 > /js >=20 > On Thu, Jul 30, 2020 at 04:02:51PM +0200, Juergen Schoenwaelder wrote: >> But then perhaps draft-ietf-netmod-geo-location-05 needs to be = updated >> or you need to use a grouping. I think we should not have overlapping >> work in different documents. >>=20 >> /js >>=20 >> On Thu, Jul 30, 2020 at 01:54:43PM +0000, Qin Wu wrote: >>> That is a good option, but draft-ietf-netmod-geo-location-05 only = define grouping, there is typedef for longitude and latitude, altitude. >>>=20 >>> -Qin >>> -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- >>> =E5=8F=91=E4=BB=B6=E4=BA=BA: Juergen Schoenwaelder = [mailto:j.schoenwaelder@jacobs-university.de] >>> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8830=E6=97=A5= 21:32 >>> =E6=94=B6=E4=BB=B6=E4=BA=BA: Qin Wu <bill.wu@huawei.com> >>> =E6=8A=84=E9=80=81: netmod@ietf.org >>> =E4=B8=BB=E9=A2=98: Re: [netmod] rfc6991bis: yang:longitude, = yang:latitude, yang:postal-code, yang:country-code >>>=20 >>> But there is draft-ietf-netmod-geo-location-05... What about using = the types defined in there? >>>=20 >>> /js >>>=20 >>> On Thu, Jul 30, 2020 at 01:28:17PM +0000, Qin Wu wrote: >>>> See geolocation definition in draft-ietf-teas-yang-te-topo-22 which = defines longitude and latitude, altitude. >>>> I know it is beneficial for future document to import these types = from rfc6991bis instead of from te topo model. >>>>=20 >>>> -Qin >>>> -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- >>>> =E5=8F=91=E4=BB=B6=E4=BA=BA: netmod = [mailto:netmod-bounces@ietf.org] =E4=BB=A3=E8=A1=A8 Juergen = Schoenwaelder >>>> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8818=E6=97= =A5 3:16 >>>> =E6=94=B6=E4=BB=B6=E4=BA=BA: netmod@ietf.org >>>> =E4=B8=BB=E9=A2=98: [netmod] rfc6991bis: yang:longitude, = yang:latitude, >>>> yang:postal-code, yang:country-code >>>>=20 >>>> - It was suggested to add types for longitude, latitude, postal >>>> code, country-code. Do we go there or do we leave these for = other >>>> modules to define? It seems such definitions should go into >>>> draft-ietf-netmod-geo-location. >>>>=20 >>>> - Geo location is covered by draft-ietf-netmod-geo-location >>>> (so do nothing). >>>>=20 >>>> - For country codes, there is ISO 3166, which defines two-letter, >>>> three-letter, and numeric country codes. I assume people wanted >>>> two-letter codes (as used in the DNS), i.e. they want DE and not >>>> DEU. But note that it is GB and not UK, i.e., what we commonly >>>> use in the DNS may not be exactly ISO 3166. (The devil is always >>>> in the details.) >>>>=20 >>>> - For postal codes, it is unclear what the requirements are or = what >>>> a proper definition for postal codes is. It is not entirely = clear >>>> what the authoritative definition of the format of postal codes >>>> is, perhaps the Universal Postal Union. >>>>=20 >>>> - Options: (i) do nothing or (ii) add a country code definition >>>> only or (iii) add both a country code definition and a postal >>>> code definition (which might be to some extend vague) >>>>=20 >>>> - Proposal: do nothing >>>>=20 >>>> -- >>>> Juergen Schoenwaelder Jacobs University Bremen gGmbH >>>> Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | = Germany >>>> Fax: +49 421 200 3103 <https://www.jacobs-university.de/> >>>>=20 >>>> _______________________________________________ >>>> netmod mailing list >>>> netmod@ietf.org >>>> https://www.ietf.org/mailman/listinfo/netmod >>>=20 >>> -- >>> Juergen Schoenwaelder Jacobs University Bremen gGmbH >>> Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | = Germany >>> Fax: +49 421 200 3103 <https://www.jacobs-university.de/> >>=20 >> -- >> Juergen Schoenwaelder Jacobs University Bremen gGmbH >> Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | = Germany >> Fax: +49 421 200 3103 <https://www.jacobs-university.de/> >=20 > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/ = <https://www.jacobs-university.de/>> --Apple-Mail=_8B59018A-AAB6-4A2A-A5A3-5C4612DCCB62 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">I = received specific external feedback from the geo experts to just use a = number instead of a type. I think they may have been thinking that it = would be easier to redefine the values meaning for different = systems.<div class=3D""><div class=3D""><br class=3D""></div><div = class=3D"">Thanks,</div><div class=3D"">Chris.<br class=3D""><div = class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div = class=3D"">On Jul 30, 2020, at 12:23 PM, Juergen Schoenwaelder <<a = href=3D"mailto:j.schoenwaelder@jacobs-university.de" = class=3D"">j.schoenwaelder@jacobs-university.de</a>> wrote:</div><br = class=3D"Apple-interchange-newline"><div class=3D""><span = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">Looking in = the I-Ds, I see that draft-ietf-netmod-geo-location-05</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">defines a = grouping geo-location. draft-ietf-teas-yang-te-topo-22</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">has:</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">         +--ro = geolocation</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp; +--ro altitude?    int64</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp; +--ro latitude? =    geographic-coordinate-degree</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp; +--ro longitude? =   geographic-coordinate-degree</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">You might simply use the grouping here that comes out = of</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">draft-ietf-netmod-geo-location-05 - but then the grouping = is</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">also a bit = more complex than what you have.</span><br style=3D"caret-color: rgb(0, = 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">Unfortunately, draft-ietf-netmod-geo-location-05 does not = define</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">helper types. = The latitude and longitude leafs are simply decimal64s</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">with all = details spelled out inline:</span><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp; leaf latitude {</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;   type decimal64 {</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;     fraction-digits 16;</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp;   }</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;   units "decimal degrees";</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp;   description</span><br style=3D"caret-color: rgb(0, = 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;     "The latitude value on the astronomical = body. The</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp;      definition and precision of this = measurement is</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;      indicated by the reference-frame = value.";</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp; }</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp; leaf longitude {</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;   type decimal64 {</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;     fraction-digits 16;</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp;   }</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;   units "decimal degrees";</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp;   description</span><br style=3D"caret-color: rgb(0, = 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;     "The longitude value on the = astronomical body. The</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;      definition and precision of this = measurement is</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp;      indicated by the = reference-frame.";</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">          &nb= sp; }</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">The teas = document has</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">    typedef geographic-coordinate-degree = {</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">        type = decimal64 {</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          fra= ction-digits 8;</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">        }</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">        description</sp= an><br style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          "De= cimal degree (DD) used to express latitude and longitude</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">          &nb= sp;geographic coordinates.";</span><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">    }</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">    leaf latitude {</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">      type = geographic-coordinate-degree {</span><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">        range = "-90..90";</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">      }</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">      description</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">        "Relative = position north or south on the Earth's surface.";</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">    }</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">    leaf longitude {</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">      type = geographic-coordinate-degree {</span><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">        range = "-180..180";</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">      }</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">      description</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">        "Angular = distance east or west on the Earth's surface.";</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">    }</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">Note also the differences in the precision. = Obviously,</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">draft-ietf-netmod-geo-location-05 could have = defined</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">helper types = like</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">   typedef latitude {</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">     type decimal64 {</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">         fraction-= digits 16;</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">     }</span><br style=3D"caret-color:= rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">     units "decimal = degrees";</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">     description</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">        "The latitude = value on the astronomical body.";</span><br style=3D"caret-color: rgb(0, = 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">   }</span><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">   typdef longitude {</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">     type decimal64 {</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">         fraction-= digits 16;</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">     }</span><br style=3D"caret-color:= rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">     units "decimal = degrees";</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">     description</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">       "The longitude = value on the astronomical body. The</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">        definition = and precision of this measurement is</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 14px; font-style: = normal; font-variant-caps: normal; font-weight: normal; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">        indicated by = the reference-frame.";</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">   }</span><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">and a bunch more and used them to define the leafs. These = types could</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">then have = been reused in situations where the grouping in all its</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">details is = not needed.</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">I am not = entirely sure where draft-ietf-netmod-geo-location-05 is in</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">the WG = process, the datatracker says "In WG Last Call, Revised I-D</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">Needed - = Issue raised by WGLC" - so perhaps there is a chance to get</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">the inline = type definitions factored out so that they can be reused.</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">I think this = is something where the input from Chris Hopps and the</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">NETMOD chairs = is important to determine the path forward. Since we</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">have an = ietf-geo-location module, I would prefer to have common types</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">for location = information defined there and not in yang-types.</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">/js</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">On Thu, Jul = 30, 2020 at 04:02:51PM +0200, Juergen Schoenwaelder wrote:</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><blockquote type=3D"cite" style=3D"font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; orphans: auto; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; = -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D"">But = then perhaps draft-ietf-netmod-geo-location-05 needs to be updated<br = class=3D"">or you need to use a grouping. I think we should not have = overlapping<br class=3D"">work in different documents.<br class=3D""><br = class=3D"">/js<br class=3D""><br class=3D"">On Thu, Jul 30, 2020 at = 01:54:43PM +0000, Qin Wu wrote:<br class=3D""><blockquote type=3D"cite" = class=3D"">That is a good option, but draft-ietf-netmod-geo-location-05 = only define grouping, there is typedef for longitude and latitude, = altitude.<span class=3D"Apple-converted-space"> </span><br = class=3D""><br class=3D"">-Qin<br class=3D"">-----=E9=82=AE=E4=BB=B6=E5=8E= =9F=E4=BB=B6-----<br class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA: Juergen = Schoenwaelder [<a href=3D"mailto:j.schoenwaelder@jacobs-university.de" = class=3D"">mailto:j.schoenwaelder@jacobs-university.de</a>]<span = class=3D"Apple-converted-space"> </span><br class=3D"">=E5=8F=91=E9=80= =81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8830=E6=97=A5 21:32<br = class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=BA: Qin Wu <<a = href=3D"mailto:bill.wu@huawei.com" = class=3D"">bill.wu@huawei.com</a>><br class=3D"">=E6=8A=84=E9=80=81: = <a href=3D"mailto:netmod@ietf.org" class=3D"">netmod@ietf.org</a><br = class=3D"">=E4=B8=BB=E9=A2=98: Re: [netmod] rfc6991bis: yang:longitude, = yang:latitude, yang:postal-code, yang:country-code<br class=3D""><br = class=3D"">But there is draft-ietf-netmod-geo-location-05... What about = using the types defined in there?<br class=3D""><br class=3D"">/js<br = class=3D""><br class=3D"">On Thu, Jul 30, 2020 at 01:28:17PM +0000, Qin = Wu wrote:<br class=3D""><blockquote type=3D"cite" class=3D"">See = geolocation definition in draft-ietf-teas-yang-te-topo-22 which defines = longitude and latitude, altitude.<br class=3D"">I know it is beneficial = for future document to import these types from rfc6991bis instead of = from te topo model.<br class=3D""><br class=3D"">-Qin<br = class=3D"">-----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----<br = class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA: netmod [<a = href=3D"mailto:netmod-bounces@ietf.org" = class=3D"">mailto:netmod-bounces@ietf.org</a>] =E4=BB=A3=E8=A1=A8 = Juergen Schoenwaelder<br class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: = 2020=E5=B9=B47=E6=9C=8818=E6=97=A5 3:16<br class=3D"">=E6=94=B6=E4=BB=B6=E4= =BA=BA: <a href=3D"mailto:netmod@ietf.org" = class=3D"">netmod@ietf.org</a><br class=3D"">=E4=B8=BB=E9=A2=98: = [netmod] rfc6991bis: yang:longitude, yang:latitude,<span = class=3D"Apple-converted-space"> </span><br = class=3D"">yang:postal-code, yang:country-code<br class=3D""><br = class=3D""> - It was suggested to add types for longitude, = latitude, postal<br class=3D"">   code, country-code. Do = we go there or do we leave these for other<br = class=3D"">   modules to define? It seems such = definitions should go into<br = class=3D"">   draft-ietf-netmod-geo-location.<br = class=3D""><br class=3D""> - Geo location is covered by = draft-ietf-netmod-geo-location<br class=3D"">   (so do = nothing).<br class=3D""><br class=3D""> - For country codes, there = is ISO 3166, which defines two-letter,<br = class=3D"">   three-letter, and numeric country codes. I = assume people wanted<br class=3D"">   two-letter codes = (as used in the DNS), i.e. they want DE and not<br = class=3D"">   DEU. But note that it is GB and not UK, = i.e., what we commonly<br class=3D"">   use in the DNS = may not be exactly ISO 3166. (The devil is always<br = class=3D"">   in the details.)<br class=3D""><br = class=3D""> - For postal codes, it is unclear what the requirements = are or what<br class=3D"">   a proper definition for = postal codes is. It is not entirely clear<br = class=3D"">   what the authoritative definition of the = format of postal codes<br class=3D"">   is, perhaps the = Universal Postal Union.<br class=3D""><br class=3D""> - Options: = (i) do nothing or (ii) add a country code definition<br = class=3D"">   only or (iii) add both a country code = definition and a postal<br class=3D"">   code definition = (which might be to some extend vague)<br class=3D""><br class=3D""> -= Proposal: do nothing<br class=3D""><br class=3D"">--<span = class=3D"Apple-converted-space"> </span><br class=3D"">Juergen = Schoenwaelder =           Jacobs = University Bremen gGmbH<br class=3D"">Phone: +49 421 200 3587 =         Campus Ring 1 | 28759 = Bremen | Germany<br class=3D"">Fax:   +49 421 200 3103 =         <<a = href=3D"https://www.jacobs-university.de/" = class=3D"">https://www.jacobs-university.de/</a>><br class=3D""><br = class=3D"">_______________________________________________<br = class=3D"">netmod mailing list<br class=3D""><a = href=3D"mailto:netmod@ietf.org" class=3D"">netmod@ietf.org</a><br = class=3D"">https://www.ietf.org/mailman/listinfo/netmod<br = class=3D""></blockquote><br class=3D"">--<span = class=3D"Apple-converted-space"> </span><br class=3D"">Juergen = Schoenwaelder =           Jacobs = University Bremen gGmbH<br class=3D"">Phone: +49 421 200 3587 =         Campus Ring 1 | 28759 = Bremen | Germany<br class=3D"">Fax:   +49 421 200 3103 =         <<a = href=3D"https://www.jacobs-university.de/" = class=3D"">https://www.jacobs-university.de/</a>><br = class=3D""></blockquote><br class=3D"">--<span = class=3D"Apple-converted-space"> </span><br class=3D"">Juergen = Schoenwaelder =           Jacobs = University Bremen gGmbH<br class=3D"">Phone: +49 421 200 3587 =         Campus Ring 1 | 28759 = Bremen | Germany<br class=3D"">Fax:   +49 421 200 3103 =         <<a = href=3D"https://www.jacobs-university.de/" = class=3D"">https://www.jacobs-university.de/</a>><br = class=3D""></blockquote><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">--<span class=3D"Apple-converted-space"> </span></span><br= style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">Juergen = Schoenwaelder =           Jacobs = University Bremen gGmbH</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">Phone: +49 421 200 3587 =         Campus Ring 1 | 28759 = Bremen | Germany</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 14px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">Fax:   +49 421 200 3103 =         <</span><a = href=3D"https://www.jacobs-university.de/" style=3D"font-family: = Menlo-Regular; font-size: 14px; font-style: normal; font-variant-caps: = normal; font-weight: normal; letter-spacing: normal; orphans: auto; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; = -webkit-text-stroke-width: 0px;" = class=3D"">https://www.jacobs-university.de/</a><span = style=3D"caret-color: rgb(0, 0, 0); font-family: Menlo-Regular; = font-size: 14px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" = class=3D"">></span></div></blockquote></div><br = class=3D""></div></div></div></body></html>= --Apple-Mail=_8B59018A-AAB6-4A2A-A5A3-5C4612DCCB62-- --Apple-Mail=_9002F501-D708-460E-B7E9-34820D76BDB7 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEm56yH/NF+m1FHa6lLh2DDte4MCUFAl8i93gACgkQLh2DDte4 MCUyqBAAgm3fiOVHnimFiMMOrQxsEYaKlIfbtbEcjLo4IHB93GBJRCeSSZ3feF1m IisJIad7lfr6klxo5f4vJ3peCOoJZ92IJq29NiCTJSU/4Jpdua6sm/rBgz5yttmQ idRbBRd74ixXfE15QDRY4eXsQhNw0ciO41WUU4TCno60/5QIUeJeBNKLwJ7d2Ygl TQzHUFJOiUrTmoKpCkEeaz7HmgLFUbQR9FEGzrBKf04ZsA5HNnWXWa14k0wGnbWe 0jxtRINq4iluo/y63A2F2Ql5Huw2t8FLx8ROLTP5guubSP/muio8qFm8TvHnEEvl 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cmcNCiAgICBodHRwczovL3d3dy5pZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL25ldG1vZA0KDQo= From nobody Thu Jul 30 13:55:07 2020 Return-Path: <01000173a181be4b-3cb4eb13-5e3d-470c-9fc7-894a5db71272-000000@amazonses.watsen.net> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BADDE3A0CB9 for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 13:55:04 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=amazonses.com Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UGiE7s9jfS0h 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In-Reply-To: <20200730134715.otyb4e6uqjylszdg@anna.jacobs.jacobs-university.de> Date: Thu, 30 Jul 2020 20:55:01 +0000 Cc: "Nagendra Kumar Nainar (naikumar)" <naikumar@cisco.com>, "Carlos Pignataro (cpignata)" <cpignata@cisco.com>, "netmod@ietf.org" <netmod@ietf.org> Content-Transfer-Encoding: quoted-printable Message-ID: <01000173a181be4b-3cb4eb13-5e3d-470c-9fc7-894a5db71272-000000@us-east-1.amazonses.com> References: <20200717192556.63e7gfbbrn2qyqzo@anna.jacobs.jacobs-university.de> <AM6PR07MB52220AD16FAC337D4F89A674A07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> <64A58592-5FD0-4752-8069-E59E62C3F699@cisco.com> <AM6PR07MB5222C7EC1927B652D7C7389DA07B0@AM6PR07MB5222.eurprd07.prod.outlook.com> <A27BF4C9-FD50-46C0-8D95-36BD778EBAC6@cisco.com> <7D333828-EF9E-4786-B820-5B4A29B37440@cisco.com> <20200730134715.otyb4e6uqjylszdg@anna.jacobs.jacobs-university.de> To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> X-Mailer: Apple Mail (2.3608.80.23.2.2) X-SES-Outgoing: 2020.07.30-54.240.8.33 Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/4skf8hiBMNqAK8TW_1Lr0WxGbSE> Subject: Re: [netmod] rfc6991bis: loopback addresses X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Thu, 30 Jul 2020 20:55:05 -0000 > Thanks for pointing to the definitions in = draft-nainar-mpls-lsp-ping-yang. > With that, your request is relatively clear now Looking at draft-nainar-mpls-lsp-ping-yang, the proposal is a = =E2=80=9Ctypedef=E2=80=9D that constrains inet:ipv[46]-address so that = it can only contain loopback address values. > and the question the WG > needs to answer is whether these types are common enough to warrant = being > part of inet-types, i.e., are there any other places where these types > may be useful? I don=E2=80=99t think so, but I=E2=80=99m not a routing person. > /js K. // contributor= From nobody Thu Jul 30 14:05:57 2020 Return-Path: <acee@cisco.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 17A913A0CC9 for <netmod@ietfa.amsl.com>; Thu, 30 Jul 2020 14:05:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.62 X-Spam-Level: X-Spam-Status: No, score=-9.62 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com header.b=MxTEu7uf; dkim=pass (1024-bit key) header.d=cisco.onmicrosoft.com header.b=EYsqp6bA Received: from 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ZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL25ldG1vZA0K From nobody Thu Jul 30 18:32:58 2020 Return-Path: <bill.wu@huawei.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8398C3A09A2; Thu, 30 Jul 2020 18:32:45 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FILL_THIS_FORM=0.001, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TXoKFVj5FQvZ; Thu, 30 Jul 2020 18:32:42 -0700 (PDT) Received: from huawei.com (lhrrgout.huawei.com [185.176.76.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D30003A093A; Thu, 30 Jul 2020 18:32:40 -0700 (PDT) Received: from lhreml703-chm.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id 099EB10D64EE029C813B; Fri, 31 Jul 2020 02:32:37 +0100 (IST) Received: from lhreml703-chm.china.huawei.com (10.201.108.52) by lhreml703-chm.china.huawei.com (10.201.108.52) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1913.5; Fri, 31 Jul 2020 02:32:36 +0100 Received: from DGGEML405-HUB.china.huawei.com (10.3.17.49) by lhreml703-chm.china.huawei.com (10.201.108.52) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA_P256) id 15.1.1913.5 via Frontend Transport; Fri, 31 Jul 2020 02:32:35 +0100 Received: from DGGEML511-MBS.china.huawei.com ([169.254.4.170]) by dggeml405-hub.china.huawei.com ([10.3.17.49]) with mapi id 14.03.0487.000; Fri, 31 Jul 2020 09:32:32 +0800 From: Qin Wu <bill.wu@huawei.com> To: 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ESMTP id 985A14FEA2DF230A7F18 for <netmod@ietf.org>; Fri, 31 Jul 2020 02:36:11 +0100 (IST) Received: from lhreml702-chm.china.huawei.com (10.201.108.51) by lhreml702-chm.china.huawei.com (10.201.108.51) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1913.5; Fri, 31 Jul 2020 02:36:11 +0100 Received: from DGGEML424-HUB.china.huawei.com (10.1.199.41) by lhreml702-chm.china.huawei.com (10.201.108.51) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA_P256) id 15.1.1913.5 via Frontend Transport; Fri, 31 Jul 2020 02:36:10 +0100 Received: from DGGEML511-MBS.china.huawei.com ([169.254.4.170]) by dggeml424-hub.china.huawei.com ([10.1.199.41]) with mapi id 14.03.0487.000; Fri, 31 Jul 2020 09:36:04 +0800 From: Qin Wu <bill.wu@huawei.com> To: "Acee Lindem (acee)" <acee@cisco.com> CC: NetMod WG <netmod@ietf.org> Thread-Topic: Key selection for next hop list in RFC8349 Thread-Index: AdZm2uldcUU61XFXQ7WTnwRFphwqhQ== Date: Fri, 31 Jul 2020 01:36:04 +0000 Message-ID: <B8F9A780D330094D99AF023C5877DABAAD8AA05E@dggeml511-mbs.china.huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.164.123.168] Content-Type: multipart/alternative; boundary="_000_B8F9A780D330094D99AF023C5877DABAAD8AA05Edggeml511mbschi_" MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/r83d8nyKwbXy9CiiWLoXEjX12gI> Subject: Re: [netmod] Key selection for next hop list in RFC8349 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: 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PSJNc29Ob3JtYWwiIHN0eWxlPSJtYXJnaW4tbGVmdDozNi4wcHQiPjxzcGFuIGxhbmc9IkVOLVVT Ij4mbmJzcDs8bzpwPjwvbzpwPjwvc3Bhbj48L3A+DQo8cCBjbGFzcz0iTXNvTm9ybWFsIiBzdHls ZT0ibWFyZ2luLWxlZnQ6MzYuMHB0Ij48c3BhbiBsYW5nPSJFTi1VUyI+LVFpbjxvOnA+PC9vOnA+ PC9zcGFuPjwvcD4NCjwvZGl2Pg0KPC9ib2R5Pg0KPC9odG1sPg0K --_000_B8F9A780D330094D99AF023C5877DABAAD8AA05Edggeml511mbschi_-- From nobody Fri Jul 31 01:34:56 2020 Return-Path: <chopps@chopps.org> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 939DE3A10F9; Fri, 31 Jul 2020 01:34:50 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.896 X-Spam-Level: X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gSMMoqzp-nz9; Fri, 31 Jul 2020 01:34:47 -0700 (PDT) Received: from smtp.chopps.org (smtp.chopps.org [54.88.81.56]) by ietfa.amsl.com (Postfix) with ESMTP id 26DE33A10EE; Fri, 31 Jul 2020 01:34:20 -0700 (PDT) Received: from stubbs.int.chopps.org (047-050-069-038.biz.spectrum.com [47.50.69.38]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by smtp.chopps.org (Postfix) with ESMTPSA id 32DC36167D; Fri, 31 Jul 2020 08:34:18 +0000 (UTC) From: Christian Hopps <chopps@chopps.org> Message-Id: <FF82471D-73E9-4541-B9F0-BA83B3305CEA@chopps.org> Content-Type: multipart/signed; boundary="Apple-Mail=_6492C740-D013-415E-8DF7-CBDC3EC75DC4"; protocol="application/pgp-signature"; micalg=pgp-sha512 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\)) Date: Fri, 31 Jul 2020 04:34:17 -0400 In-Reply-To: <B8F9A780D330094D99AF023C5877DABAAD8AA01F@dggeml511-mbs.china.huawei.com> Cc: Christian Hopps <chopps@chopps.org>, Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, "netmod@ietf.org" <netmod@ietf.org>, "netmod-chairs@ietf.org" <netmod-chairs@ietf.org> To: Qin Wu <bill.wu@huawei.com> References: <B8F9A780D330094D99AF023C5877DABAAD8AA01F@dggeml511-mbs.china.huawei.com> X-Mailer: Apple Mail (2.3608.80.23.2.2) Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/cQ2pEJbBX6E-IidQyEa1raY9v8s> Subject: Re: [netmod] rfc6991bis: yang:longitude, yang:latitude, yang:postal-code, yang:country-code X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 31 Jul 2020 08:34:54 -0000 --Apple-Mail=_6492C740-D013-415E-8DF7-CBDC3EC75DC4 Content-Type: multipart/alternative; boundary="Apple-Mail=_D92F2F61-E0ED-4DDC-9ABE-106255BBF7FC" --Apple-Mail=_D92F2F61-E0ED-4DDC-9ABE-106255BBF7FC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 The point of the grouping is to not cut corners, and that it was vetted = by experts in the field. Just re-using some typedefs of lat/long/height = is not sufficient. You must also talk about the reference system which = defines the meaning of those values, and know what you are talking = about. It matters. Providing typedef's would suggest that it was OK to = just re-use those values alone, when in fact it is not. If you read = through the document you will see comparisons to other geographic = location specifications. None of them just define "lat/long" as decimal = degrees and call it done, as that is not sufficient. Why shouldn't the grouping be used as is here? Nothing says that the = software has to support every possible variation of data. Yes, the = grouping allows specifying many types of coordinates (e.g., on the = Moon), but that does not mean that the software that uses the grouping = has to actually support those inputs. In fact, If you look at the case we are talking about here, there's not = only no reason to be limiting the geo-location, it's literally the = use-case that drove me to create the grouping and its generality (i.e., = locating network elements for a telecom and its management system). Thanks, Chris. > On Jul 30, 2020, at 9:32 PM, Qin Wu <bill.wu@huawei.com> wrote: >=20 > Thanks Chris and Jurgen for clarification, > Chris, I am not sure I catch what you said. Does adding new typedef = for longtitude and latitude do harm to = draft-ietf-netmod-geo-location-05? > Type in my opinion is more reusable building block. >=20 > -Qin > =E5=8F=91=E4=BB=B6=E4=BA=BA: Christian Hopps [mailto:chopps@chopps.org = <mailto:chopps@chopps.org>] > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8831=E6=97=A5= 0:38 > =E6=94=B6=E4=BB=B6=E4=BA=BA: Juergen Schoenwaelder = <j.schoenwaelder@jacobs-university.de = <mailto:j.schoenwaelder@jacobs-university.de>> > =E6=8A=84=E9=80=81: Christian Hopps <chopps@chopps.org = <mailto:chopps@chopps.org>>; Qin Wu <bill.wu@huawei.com = <mailto:bill.wu@huawei.com>>; netmod@ietf.org <mailto:netmod@ietf.org>; = netmod-chairs@ietf.org <mailto:netmod-chairs@ietf.org> > =E4=B8=BB=E9=A2=98: Re: [netmod] rfc6991bis: yang:longitude, = yang:latitude, yang:postal-code, yang:country-code >=20 > I received specific external feedback from the geo experts to just use = a number instead of a type. I think they may have been thinking that it = would be easier to redefine the values meaning for different systems. >=20 > Thanks, > Chris. >=20 >=20 > On Jul 30, 2020, at 12:23 PM, Juergen Schoenwaelder = <j.schoenwaelder@jacobs-university.de = <mailto:j.schoenwaelder@jacobs-university.de>> wrote: >=20 > Looking in the I-Ds, I see that draft-ietf-netmod-geo-location-05 > defines a grouping geo-location. draft-ietf-teas-yang-te-topo-22 > has: >=20 > +--ro geolocation > +--ro altitude? int64 > +--ro latitude? geographic-coordinate-degree > +--ro longitude? geographic-coordinate-degree >=20 > You might simply use the grouping here that comes out of > draft-ietf-netmod-geo-location-05 - but then the grouping is > also a bit more complex than what you have. >=20 > Unfortunately, draft-ietf-netmod-geo-location-05 does not define > helper types. The latitude and longitude leafs are simply decimal64s > with all details spelled out inline: >=20 > leaf latitude { > type decimal64 { > fraction-digits 16; > } > units "decimal degrees"; > description > "The latitude value on the astronomical body. The > definition and precision of this measurement is > indicated by the reference-frame value."; > } > leaf longitude { > type decimal64 { > fraction-digits 16; > } > units "decimal degrees"; > description > "The longitude value on the astronomical body. The > definition and precision of this measurement is > indicated by the reference-frame."; > } >=20 > The teas document has >=20 > typedef geographic-coordinate-degree { > type decimal64 { > fraction-digits 8; > } > description > "Decimal degree (DD) used to express latitude and longitude > geographic coordinates."; > } >=20 > leaf latitude { > type geographic-coordinate-degree { > range "-90..90"; > } > description > "Relative position north or south on the Earth's surface."; > } >=20 > leaf longitude { > type geographic-coordinate-degree { > range "-180..180"; > } > description > "Angular distance east or west on the Earth's surface."; > } >=20 > Note also the differences in the precision. Obviously, > draft-ietf-netmod-geo-location-05 could have defined > helper types like >=20 > typedef latitude { > type decimal64 { > fraction-digits 16; > } > units "decimal degrees"; > description > "The latitude value on the astronomical body."; > } >=20 > typdef longitude { > type decimal64 { > fraction-digits 16; > } > units "decimal degrees"; > description > "The longitude value on the astronomical body. The > definition and precision of this measurement is > indicated by the reference-frame."; > } >=20 > and a bunch more and used them to define the leafs. These types could > then have been reused in situations where the grouping in all its > details is not needed. >=20 > I am not entirely sure where draft-ietf-netmod-geo-location-05 is in > the WG process, the datatracker says "In WG Last Call, Revised I-D > Needed - Issue raised by WGLC" - so perhaps there is a chance to get > the inline type definitions factored out so that they can be reused. >=20 > I think this is something where the input from Chris Hopps and the > NETMOD chairs is important to determine the path forward. Since we > have an ietf-geo-location module, I would prefer to have common types > for location information defined there and not in yang-types. >=20 > /js >=20 > On Thu, Jul 30, 2020 at 04:02:51PM +0200, Juergen Schoenwaelder wrote: >=20 > But then perhaps draft-ietf-netmod-geo-location-05 needs to be updated > or you need to use a grouping. I think we should not have overlapping > work in different documents. >=20 > /js >=20 > On Thu, Jul 30, 2020 at 01:54:43PM +0000, Qin Wu wrote: >=20 > That is a good option, but draft-ietf-netmod-geo-location-05 only = define grouping, there is typedef for longitude and latitude, altitude. >=20 > -Qin > -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- > =E5=8F=91=E4=BB=B6=E4=BA=BA: Juergen Schoenwaelder = [mailto:j.schoenwaelder@jacobs-university.de = <mailto:j.schoenwaelder@jacobs-university.de>] > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8830=E6=97=A5= 21:32 > =E6=94=B6=E4=BB=B6=E4=BA=BA: Qin Wu <bill.wu@huawei.com = <mailto:bill.wu@huawei.com>> > =E6=8A=84=E9=80=81: netmod@ietf.org <mailto:netmod@ietf.org> > =E4=B8=BB=E9=A2=98: Re: [netmod] rfc6991bis: yang:longitude, = yang:latitude, yang:postal-code, yang:country-code >=20 > But there is draft-ietf-netmod-geo-location-05... What about using the = types defined in there? >=20 > /js >=20 > On Thu, Jul 30, 2020 at 01:28:17PM +0000, Qin Wu wrote: >=20 > See geolocation definition in draft-ietf-teas-yang-te-topo-22 which = defines longitude and latitude, altitude. > I know it is beneficial for future document to import these types from = rfc6991bis instead of from te topo model. >=20 > -Qin > -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6----- > =E5=8F=91=E4=BB=B6=E4=BA=BA: netmod [mailto:netmod-bounces@ietf.org = <mailto:netmod-bounces@ietf.org>] =E4=BB=A3=E8=A1=A8 Juergen = Schoenwaelder > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B47=E6=9C=8818=E6=97=A5= 3:16 > =E6=94=B6=E4=BB=B6=E4=BA=BA: netmod@ietf.org <mailto:netmod@ietf.org> > =E4=B8=BB=E9=A2=98: [netmod] rfc6991bis: yang:longitude, = yang:latitude, > yang:postal-code, yang:country-code >=20 > - It was suggested to add types for longitude, latitude, postal > code, country-code. Do we go there or do we leave these for other > modules to define? It seems such definitions should go into > draft-ietf-netmod-geo-location. >=20 > - Geo location is covered by draft-ietf-netmod-geo-location > (so do nothing). >=20 > - For country codes, there is ISO 3166, which defines two-letter, > three-letter, and numeric country codes. I assume people wanted > two-letter codes (as used in the DNS), i.e. they want DE and not > DEU. But note that it is GB and not UK, i.e., what we commonly > use in the DNS may not be exactly ISO 3166. (The devil is always > in the details.) >=20 > - For postal codes, it is unclear what the requirements are or what > a proper definition for postal codes is. It is not entirely clear > what the authoritative definition of the format of postal codes > is, perhaps the Universal Postal Union. >=20 > - Options: (i) do nothing or (ii) add a country code definition > only or (iii) add both a country code definition and a postal > code definition (which might be to some extend vague) >=20 > - Proposal: do nothing >=20 > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/ = <https://www.jacobs-university.de/>> >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org <mailto:netmod@ietf.org> > https://www.ietf.org/mailman/listinfo/netmod = <https://www.ietf.org/mailman/listinfo/netmod> >=20 > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/ = <https://www.jacobs-university.de/>> >=20 > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/ = <https://www.jacobs-university.de/>> >=20 > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://www.jacobs-university.de/ = <https://www.jacobs-university.de/>> --Apple-Mail=_D92F2F61-E0ED-4DDC-9ABE-106255BBF7FC Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">The = point of the grouping is to not cut corners, and that it was vetted by = experts in the field. Just re-using some typedefs of lat/long/height is = not sufficient. You must also talk about the reference system which = defines the meaning of those values, and know what you are talking = about. It matters. Providing typedef's would suggest that it was OK to = just re-use those values alone, when in fact it is not. If you read = through the document you will see comparisons to other geographic = location specifications. None of them just define "lat/long" as decimal = degrees and call it done, as that is not sufficient.<div class=3D""><br = class=3D""></div><div class=3D"">Why shouldn't the grouping be used as = is here? Nothing says that the software has to support every possible = variation of data. Yes, the grouping allows specifying many types of = coordinates (e.g., on the Moon), but that does not mean that the = software that uses the grouping has to actually support those = inputs.</div><div class=3D""><br class=3D""></div><div class=3D"">In = fact, If you look at the case we are talking about here, there's not = only no reason to be limiting the geo-location, it's literally the = use-case that drove me to create the grouping and its generality (i.e., = locating network elements for a telecom and its management = system).</div><div class=3D""><div class=3D""><br class=3D""></div><div = class=3D"">Thanks,</div><div class=3D"">Chris.<br class=3D""><div><br = class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On Jul = 30, 2020, at 9:32 PM, Qin Wu <<a href=3D"mailto:bill.wu@huawei.com" = class=3D"">bill.wu@huawei.com</a>> wrote:</div><br = class=3D"Apple-interchange-newline"><div class=3D""><div = class=3D"WordSection1" style=3D"page: WordSection1; caret-color: rgb(0, = 0, 0); font-family: Helvetica; font-size: 16px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;"><div style=3D"margin: 0cm 0cm 0.0001pt; = font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, = sans-serif; color: rgb(31, 73, 125);" class=3D"">Thanks Chris and Jurgen = for clarification,<o:p class=3D""></o:p></span></div><div style=3D"margin:= 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: = Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">Chris, I am = not sure I catch what you said. Does adding new typedef for longtitude = and latitude do harm to draft-ietf-netmod-geo-location-05?<o:p = class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; = font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, = sans-serif; color: rgb(31, 73, 125);" class=3D"">Type in my opinion = is  more reusable building block.<o:p = class=3D""></o:p></span></div><div style=3D"margin: 0cm 0cm 0.0001pt; = font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Calibri, = sans-serif; color: rgb(31, 73, 125);" class=3D""><o:p = class=3D""> </o:p></span></div><div style=3D"margin: 0cm 0cm = 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: = Calibri, sans-serif; color: rgb(31, 73, 125);" class=3D"">-Qin<o:p = class=3D""></o:p></span></div><div class=3D""><div style=3D"border-style: = solid none none; border-top-width: 1pt; border-top-color: rgb(225, 225, = 225); padding: 3pt 0cm 0cm;" class=3D""><div style=3D"margin: 0cm 0cm = 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><b= class=3D""><span style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF= =E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA<sp= an lang=3D"EN-US" class=3D"">:</span></span></b><span lang=3D"EN-US" = style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91= , sans-serif;" class=3D""><span = class=3D"Apple-converted-space"> </span>Christian Hopps [<a = href=3D"mailto:chopps@chopps.org" style=3D"color: purple; = text-decoration: underline;" class=3D"">mailto:chopps@chopps.org</a>]<span= class=3D"Apple-converted-space"> </span><br class=3D""></span><b = class=3D""><span style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF= =E9=9B=85=E9=BB=91, sans-serif;" class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9= =97=B4<span lang=3D"EN-US" class=3D"">:</span></span></b><span = lang=3D"EN-US" style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9= =9B=85=E9=BB=91, sans-serif;" class=3D""><span = class=3D"Apple-converted-space"> </span>2020</span><span = style=3D"font-size: 11pt; font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91= , sans-serif;" class=3D"">=E5=B9=B4<span lang=3D"EN-US" = class=3D"">7</span>=E6=9C=88<span lang=3D"EN-US" = class=3D"">31</span>=E6=97=A5<span lang=3D"EN-US" class=3D""><span = class=3D"Apple-converted-space"> </span>0:38<br class=3D""></span><b = class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=BA<span lang=3D"EN-US" = class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span = class=3D"Apple-converted-space"> </span>Juergen Schoenwaelder = <<a href=3D"mailto:j.schoenwaelder@jacobs-university.de" = style=3D"color: purple; text-decoration: underline;" = class=3D"">j.schoenwaelder@jacobs-university.de</a>><br = class=3D""></span><b class=3D"">=E6=8A=84=E9=80=81<span lang=3D"EN-US" = class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span = class=3D"Apple-converted-space"> </span>Christian Hopps <<a = href=3D"mailto:chopps@chopps.org" style=3D"color: purple; = text-decoration: underline;" class=3D"">chopps@chopps.org</a>>; Qin = Wu <<a href=3D"mailto:bill.wu@huawei.com" style=3D"color: purple; = text-decoration: underline;" class=3D"">bill.wu@huawei.com</a>>;<span = class=3D"Apple-converted-space"> </span><a = href=3D"mailto:netmod@ietf.org" style=3D"color: purple; text-decoration: = underline;" class=3D"">netmod@ietf.org</a>;<span = class=3D"Apple-converted-space"> </span><a = href=3D"mailto:netmod-chairs@ietf.org" style=3D"color: purple; = text-decoration: underline;" class=3D"">netmod-chairs@ietf.org</a><br = class=3D""></span><b class=3D"">=E4=B8=BB=E9=A2=98<span lang=3D"EN-US" = class=3D"">:</span></b><span lang=3D"EN-US" class=3D""><span = class=3D"Apple-converted-space"> </span>Re: [netmod] rfc6991bis: = yang:longitude, yang:latitude, yang:postal-code, yang:country-code<o:p = class=3D""></o:p></span></span></div></div></div><div style=3D"margin: = 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" class=3D""><o:p = class=3D""> </o:p></span></div><div style=3D"margin: 0cm 0cm = 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" class=3D"">I received specific external = feedback from the geo experts to just use a number instead of a type. I = think they may have been thinking that it would be easier to redefine = the values meaning for different systems.<o:p = class=3D""></o:p></span></div><div class=3D""><div class=3D""><div = style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: = =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" class=3D""><o:p = class=3D""> </o:p></span></div></div><div class=3D""><div = style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: = =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" = class=3D"">Thanks,<o:p class=3D""></o:p></span></div></div><div = class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; = font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" = class=3D"">Chris.<o:p class=3D""></o:p></span></div><div class=3D""><div = class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; = font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" = class=3D""><br class=3D""><br class=3D""><o:p = class=3D""></o:p></span></div><blockquote style=3D"margin-top: 5pt; = margin-bottom: 5pt;" class=3D""><div class=3D""><div style=3D"margin: = 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" class=3D"">On Jul 30, 2020, at 12:23 PM, = Juergen Schoenwaelder <<a = href=3D"mailto:j.schoenwaelder@jacobs-university.de" style=3D"color: = purple; text-decoration: underline;" = class=3D"">j.schoenwaelder@jacobs-university.de</a>> wrote:<o:p = class=3D""></o:p></span></div></div><div style=3D"margin: 0cm 0cm = 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" class=3D""><o:p = class=3D""> </o:p></span></div><div class=3D""><div style=3D"margin: = 0cm 0cm 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: = Menlo-Regular, serif;" class=3D"">Looking in the I-Ds, I see that = draft-ietf-netmod-geo-location-05<br class=3D"">defines a grouping = geo-location. draft-ietf-teas-yang-te-topo-22<br class=3D"">has:<br = class=3D""><br = class=3D"">         +--ro = geolocation<br = class=3D"">          &nb= sp; +--ro altitude?    int64<br = class=3D"">          &nb= sp; +--ro latitude? =    geographic-coordinate-degree<br = class=3D"">          &nb= sp; +--ro longitude?   geographic-coordinate-degree<br = class=3D""><br class=3D"">You might simply use the grouping here that = comes out of<br class=3D"">draft-ietf-netmod-geo-location-05 - but then = the grouping is<br class=3D"">also a bit more complex than what you = have.<br class=3D""><br class=3D"">Unfortunately, = draft-ietf-netmod-geo-location-05 does not define<br class=3D"">helper = types. The latitude and longitude leafs are simply decimal64s<br = class=3D"">with all details spelled out inline:<br class=3D""><br = class=3D"">          &nb= sp; leaf latitude {<br = class=3D"">          &nb= sp;   type decimal64 {<br = class=3D"">          &nb= sp;     fraction-digits 16;<br = class=3D"">          &nb= sp;   }<br = class=3D"">          &nb= sp;   units "decimal degrees";<br = class=3D"">          &nb= sp;   description<br = class=3D"">          &nb= sp;     "The latitude value on the astronomical = body. The<br = class=3D"">          &nb= sp;      definition and precision of this = measurement is<br = class=3D"">          &nb= sp;      indicated by the reference-frame = value.";<br = class=3D"">          &nb= sp; }<br = class=3D"">          &nb= sp; leaf longitude {<br = class=3D"">          &nb= sp;   type decimal64 {<br = class=3D"">          &nb= sp;     fraction-digits 16;<br = class=3D"">          &nb= sp;   }<br = class=3D"">          &nb= sp;   units "decimal degrees";<br = class=3D"">          &nb= sp;   description<br = class=3D"">          &nb= sp;     "The longitude value on the = astronomical body. The<br = class=3D"">          &nb= sp;      definition and precision of this = measurement is<br = class=3D"">          &nb= sp;      indicated by the = reference-frame.";<br = class=3D"">          &nb= sp; }<br class=3D""><br class=3D"">The teas document has<br = class=3D""><br class=3D"">    typedef = geographic-coordinate-degree {<br = class=3D"">        type = decimal64 {<br = class=3D"">          fra= ction-digits 8;<br = class=3D"">        }<br = class=3D"">        description<br = class=3D"">          "De= cimal degree (DD) used to express latitude and longitude<br = class=3D"">          &nb= sp;geographic coordinates.";<br class=3D"">    }<br = class=3D""><br class=3D"">    leaf latitude {<br = class=3D"">      type = geographic-coordinate-degree {<br = class=3D"">        range = "-90..90";<br class=3D"">      }<br = class=3D"">      description<br = class=3D"">        "Relative = position north or south on the Earth's surface.";<br = class=3D"">    }<br class=3D""><br = class=3D"">    leaf longitude {<br = class=3D"">      type = geographic-coordinate-degree {<br = class=3D"">        range = "-180..180";<br class=3D"">      }<br = class=3D"">      description<br = class=3D"">        "Angular = distance east or west on the Earth's surface.";<br = class=3D"">    }<br class=3D""><br class=3D"">Note = also the differences in the precision. Obviously,<br = class=3D"">draft-ietf-netmod-geo-location-05 could have defined<br = class=3D"">helper types like<br class=3D""><br = class=3D"">   typedef latitude {<br = class=3D"">     type decimal64 {<br = class=3D"">         fraction-= digits 16;<br class=3D"">     }<br = class=3D"">     units "decimal degrees";<br = class=3D"">     description<br = class=3D"">        "The latitude = value on the astronomical body.";<br class=3D"">   }<br = class=3D""><br class=3D"">   typdef longitude {<br = class=3D"">     type decimal64 {<br = class=3D"">         fraction-= digits 16;<br class=3D"">     }<br = class=3D"">     units "decimal degrees";<br = class=3D"">     description<br = class=3D"">       "The longitude = value on the astronomical body. The<br = class=3D"">        definition = and precision of this measurement is<br = class=3D"">        indicated by = the reference-frame.";<br class=3D"">   }<br class=3D""><br= class=3D"">and a bunch more and used them to define the leafs. These = types could<br class=3D"">then have been reused in situations where the = grouping in all its<br class=3D"">details is not needed.<br class=3D""><br= class=3D"">I am not entirely sure where = draft-ietf-netmod-geo-location-05 is in<br class=3D"">the WG process, = the datatracker says "In WG Last Call, Revised I-D<br class=3D"">Needed = - Issue raised by WGLC" - so perhaps there is a chance to get<br = class=3D"">the inline type definitions factored out so that they can be = reused.<br class=3D""><br class=3D"">I think this is something where the = input from Chris Hopps and the<br class=3D"">NETMOD chairs is important = to determine the path forward. Since we<br class=3D"">have an = ietf-geo-location module, I would prefer to have common types<br = class=3D"">for location information defined there and not in = yang-types.<br class=3D""><br class=3D"">/js<br class=3D""><br = class=3D"">On Thu, Jul 30, 2020 at 04:02:51PM +0200, Juergen = Schoenwaelder wrote:<br style=3D"caret-color: rgb(0, 0, 0); = font-variant-caps: normal; text-align: start; -webkit-text-stroke-width: = 0px; word-spacing: 0px;" class=3D""><br class=3D""></span><span = lang=3D"EN-US" class=3D""><o:p class=3D""></o:p></span></div><blockquote = style=3D"margin-top: 5pt; margin-bottom: 5pt;" class=3D""><div = style=3D"margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: = =E5=AE=8B=E4=BD=93;" class=3D""><span lang=3D"EN-US" style=3D"font-size: = 10.5pt; font-family: Menlo-Regular, serif;" class=3D"">But then perhaps = draft-ietf-netmod-geo-location-05 needs to be updated<br class=3D"">or = you need to use a grouping. I think we should not have overlapping<br = class=3D"">work in different documents.<br class=3D""><br = class=3D"">/js<br class=3D""><br class=3D"">On Thu, Jul 30, 2020 at = 01:54:43PM +0000, Qin Wu wrote:<br class=3D""><br class=3D""><o:p = class=3D""></o:p></span></div><blockquote style=3D"margin-top: 5pt; = margin-bottom: 5pt;" class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; = font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" class=3D"">That is a good option, but = draft-ietf-netmod-geo-location-05 only define grouping, there is typedef = for longitude and latitude, altitude.<span = class=3D"apple-converted-space"> </span><br class=3D""><br = class=3D"">-Qin<br class=3D"">-----</span><span style=3D"font-size: = 10.5pt;" class=3D"">=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6</span><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" class=3D"">-----<br class=3D""></span><span style=3D"font-size: = 10.5pt;" class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA</span><span lang=3D"EN-US"= style=3D"font-size: 10.5pt; font-family: Menlo-Regular, serif;" = class=3D"">: Juergen Schoenwaelder [<a = href=3D"mailto:j.schoenwaelder@jacobs-university.de" style=3D"color: = purple; text-decoration: underline;" = class=3D"">mailto:j.schoenwaelder@jacobs-university.de</a>]<span = class=3D"apple-converted-space"> </span><br class=3D""></span><span = style=3D"font-size: 10.5pt;" class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4= </span><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: = Menlo-Regular, serif;" class=3D"">: 2020</span><span style=3D"font-size: = 10.5pt;" class=3D"">=E5=B9=B4</span><span lang=3D"EN-US" = style=3D"font-size: 10.5pt; font-family: Menlo-Regular, serif;" = class=3D"">7</span><span style=3D"font-size: 10.5pt;" = class=3D"">=E6=9C=88</span><span lang=3D"EN-US" style=3D"font-size: = 10.5pt; font-family: Menlo-Regular, serif;" class=3D"">30</span><span = style=3D"font-size: 10.5pt;" class=3D"">=E6=97=A5</span><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" class=3D""><span = class=3D"Apple-converted-space"> </span>21:32<br = class=3D""></span><span style=3D"font-size: 10.5pt;" = class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=BA</span><span lang=3D"EN-US" = style=3D"font-size: 10.5pt; font-family: Menlo-Regular, serif;" = class=3D"">: Qin Wu <<a href=3D"mailto:bill.wu@huawei.com" = style=3D"color: purple; text-decoration: underline;" = class=3D"">bill.wu@huawei.com</a>><br class=3D""></span><span = style=3D"font-size: 10.5pt;" class=3D"">=E6=8A=84=E9=80=81</span><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" class=3D"">:<span class=3D"Apple-converted-space"> </span><a = href=3D"mailto:netmod@ietf.org" style=3D"color: purple; text-decoration: = underline;" class=3D"">netmod@ietf.org</a><br class=3D""></span><span = style=3D"font-size: 10.5pt;" class=3D"">=E4=B8=BB=E9=A2=98</span><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" class=3D"">: Re: [netmod] rfc6991bis: yang:longitude, = yang:latitude, yang:postal-code, yang:country-code<br class=3D""><br = class=3D"">But there is draft-ietf-netmod-geo-location-05... What about = using the types defined in there?<br class=3D""><br class=3D"">/js<br = class=3D""><br class=3D"">On Thu, Jul 30, 2020 at 01:28:17PM +0000, Qin = Wu wrote:<br class=3D""><br class=3D""><o:p = class=3D""></o:p></span></div><blockquote style=3D"margin-top: 5pt; = margin-bottom: 5pt;" class=3D""><div style=3D"margin: 0cm 0cm 0.0001pt; = font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" class=3D""><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" class=3D"">See geolocation definition in = draft-ietf-teas-yang-te-topo-22 which defines longitude and latitude, = altitude.<br class=3D"">I know it is beneficial for future document to = import these types from rfc6991bis instead of from te topo model.<br = class=3D""><br class=3D"">-Qin<br class=3D"">-----</span><span = style=3D"font-size: 10.5pt;" class=3D"">=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6= </span><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: = Menlo-Regular, serif;" class=3D"">-----<br class=3D""></span><span = style=3D"font-size: 10.5pt;" class=3D"">=E5=8F=91=E4=BB=B6=E4=BA=BA</span>= <span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: = Menlo-Regular, serif;" class=3D"">: netmod [<a = href=3D"mailto:netmod-bounces@ietf.org" style=3D"color: purple; = text-decoration: underline;" = class=3D"">mailto:netmod-bounces@ietf.org</a>]<span = class=3D"Apple-converted-space"> </span></span><span = style=3D"font-size: 10.5pt;" class=3D"">=E4=BB=A3=E8=A1=A8</span><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" class=3D""><span = class=3D"Apple-converted-space"> </span>Juergen Schoenwaelder<br = class=3D""></span><span style=3D"font-size: 10.5pt;" = class=3D"">=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4</span><span lang=3D"EN-US"= style=3D"font-size: 10.5pt; font-family: Menlo-Regular, serif;" = class=3D"">: 2020</span><span style=3D"font-size: 10.5pt;" = class=3D"">=E5=B9=B4</span><span lang=3D"EN-US" style=3D"font-size: = 10.5pt; font-family: Menlo-Regular, serif;" class=3D"">7</span><span = style=3D"font-size: 10.5pt;" class=3D"">=E6=9C=88</span><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" class=3D"">18</span><span style=3D"font-size: 10.5pt;" = class=3D"">=E6=97=A5</span><span lang=3D"EN-US" style=3D"font-size: = 10.5pt; font-family: Menlo-Regular, serif;" class=3D""><span = class=3D"Apple-converted-space"> </span>3:16<br = class=3D""></span><span style=3D"font-size: 10.5pt;" = class=3D"">=E6=94=B6=E4=BB=B6=E4=BA=BA</span><span lang=3D"EN-US" = style=3D"font-size: 10.5pt; font-family: Menlo-Regular, serif;" = class=3D"">:<span class=3D"Apple-converted-space"> </span><a = href=3D"mailto:netmod@ietf.org" style=3D"color: purple; text-decoration: = underline;" class=3D"">netmod@ietf.org</a><br class=3D""></span><span = style=3D"font-size: 10.5pt;" class=3D"">=E4=B8=BB=E9=A2=98</span><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" class=3D"">: [netmod] rfc6991bis: yang:longitude, = yang:latitude,<span class=3D"apple-converted-space"> </span><br = class=3D"">yang:postal-code, yang:country-code<br class=3D""><br = class=3D""> - It was suggested to add types for longitude, = latitude, postal<br class=3D"">   code, country-code. Do = we go there or do we leave these for other<br = class=3D"">   modules to define? It seems such = definitions should go into<br = class=3D"">   draft-ietf-netmod-geo-location.<br = class=3D""><br class=3D""> - Geo location is covered by = draft-ietf-netmod-geo-location<br class=3D"">   (so do = nothing).<br class=3D""><br class=3D""> - For country codes, there = is ISO 3166, which defines two-letter,<br = class=3D"">   three-letter, and numeric country codes. I = assume people wanted<br class=3D"">   two-letter codes = (as used in the DNS), i.e. they want DE and not<br = class=3D"">   DEU. But note that it is GB and not UK, = i.e., what we commonly<br class=3D"">   use in the DNS = may not be exactly ISO 3166. (The devil is always<br = class=3D"">   in the details.)<br class=3D""><br = class=3D""> - For postal codes, it is unclear what the requirements = are or what<br class=3D"">   a proper definition for = postal codes is. It is not entirely clear<br = class=3D"">   what the authoritative definition of the = format of postal codes<br class=3D"">   is, perhaps the = Universal Postal Union.<br class=3D""><br class=3D""> - Options: = (i) do nothing or (ii) add a country code definition<br = class=3D"">   only or (iii) add both a country code = definition and a postal<br class=3D"">   code definition = (which might be to some extend vague)<br class=3D""><br class=3D""> -= Proposal: do nothing<br class=3D""><br class=3D"">--<span = class=3D"apple-converted-space"> </span><br class=3D"">Juergen = Schoenwaelder =           Jacobs = University Bremen gGmbH<br class=3D"">Phone: +49 421 200 3587 =         Campus Ring 1 | 28759 = Bremen | Germany<br class=3D"">Fax:   +49 421 200 3103 =         <<a = href=3D"https://www.jacobs-university.de/" style=3D"color: purple; = text-decoration: underline;" = class=3D"">https://www.jacobs-university.de/</a>><br class=3D""><br = class=3D"">_______________________________________________<br = class=3D"">netmod mailing list<br class=3D""><a = href=3D"mailto:netmod@ietf.org" style=3D"color: purple; text-decoration: = underline;" class=3D"">netmod@ietf.org</a><br class=3D""><a = href=3D"https://www.ietf.org/mailman/listinfo/netmod" style=3D"color: = purple; text-decoration: underline;" = class=3D"">https://www.ietf.org/mailman/listinfo/netmod</a><o:p = class=3D""></o:p></span></div></blockquote><div style=3D"margin: 0cm 0cm = 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: = Menlo-Regular, serif;" class=3D""><br class=3D"">--<span = class=3D"apple-converted-space"> </span><br class=3D"">Juergen = Schoenwaelder =           Jacobs = University Bremen gGmbH<br class=3D"">Phone: +49 421 200 3587 =         Campus Ring 1 | 28759 = Bremen | Germany<br class=3D"">Fax:   +49 421 200 3103 =         <<a = href=3D"https://www.jacobs-university.de/" style=3D"color: purple; = text-decoration: underline;" = class=3D"">https://www.jacobs-university.de/</a>><o:p = class=3D""></o:p></span></div></blockquote><div style=3D"margin: 0cm 0cm = 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: = Menlo-Regular, serif;" class=3D""><br class=3D"">--<span = class=3D"apple-converted-space"> </span><br class=3D"">Juergen = Schoenwaelder =           Jacobs = University Bremen gGmbH<br class=3D"">Phone: +49 421 200 3587 =         Campus Ring 1 | 28759 = Bremen | Germany<br class=3D"">Fax:   +49 421 200 3103 =         <<a = href=3D"https://www.jacobs-university.de/" style=3D"color: purple; = text-decoration: underline;" = class=3D"">https://www.jacobs-university.de/</a>><o:p = class=3D""></o:p></span></div></blockquote><div style=3D"margin: 0cm 0cm = 0.0001pt; font-size: 12pt; font-family: =E5=AE=8B=E4=BD=93;" = class=3D""><span lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: = Menlo-Regular, serif;" class=3D""><br class=3D"">--<span = class=3D"apple-converted-space"> </span><br class=3D"">Juergen = Schoenwaelder =           Jacobs = University Bremen gGmbH<br class=3D"">Phone: +49 421 200 3587 =         Campus Ring 1 | 28759 = Bremen | Germany<br class=3D"">Fax:   +49 421 200 3103 =         <</span><span = lang=3D"EN-US" class=3D""><a href=3D"https://www.jacobs-university.de/" = style=3D"color: purple; text-decoration: underline;" class=3D""><span = style=3D"font-size: 10.5pt; font-family: Menlo-Regular, serif;" = class=3D"">https://www.jacobs-university.de/</span></a></span><span = lang=3D"EN-US" style=3D"font-size: 10.5pt; font-family: Menlo-Regular, = serif;" = class=3D"">></span></div></div></blockquote></div></div></div></div></d= iv></div></blockquote></div><br class=3D""></div></div></body></html>= --Apple-Mail=_D92F2F61-E0ED-4DDC-9ABE-106255BBF7FC-- 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Message-Id: <em2c50a677-100a-4d39-852b-15039c35b7b2@vanguard> Reply-To: "Jonathan Hansford" <jonathan@hansfords.net> User-Agent: eM_Client/8.0.2951.0 Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="------=_MB95C3909A-F37C-43F1-A0DD-008636592B59" X-AuthUser: jonathan@hansfords.net Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/mpKJyKHxGMjMFtV4qTYguOETwHM> Subject: [netmod] Review of draft-wwx-netmod-event-yang-09 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Fri, 31 Jul 2020 11:29:12 -0000 --------=_MB95C3909A-F37C-43F1-A0DD-008636592B59 Content-Type: text/plain; format=flowed; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, Most of my comments are editorial and to date only address up to the end=20 of Section 2: Page 1 Could the Abstract be simplified to: This document defines a YANG data model for Event Condition Action (ECA) policy management. The ECA policy YANG module provides the ability to delegate some network management functions to the=20 server which can take simple and instant action when a trigger condition=20 on the system state is met. Page 3 1. Introduction 1st bullet should end in a semi-colon, not a period 2nd bullet: s/large amount/large amounts 3rd bullet: s/can not/cannot s/disconnected from/not connected to 4th bullet: s/devices needs/devices need s/hundeds/hundreds I think a comma after "notifications" would make it easier to=20 parse the sentence which should end in a period, not a semi-colon Either s/network management function/the network management function Or s/network management function/network management functions s/server monitor/server to monitor Is it a service or the server that is providing continuous=20 performance monitoring? s/monitoring and detect defects and failures and/monitoring, detect=20 defects and failures, and s/a ECA Policy/an ECA Policy The second sentence of the penultimate paragraph on page 3 is too=20 long, confusing and unstructured. It needs re-writing. Page 4 2.1. Terminology Might it be worth including definitions from RFC3198 "Terminology for= =20 Policy-Based Management" as well, either to explain how this Internet=20 Draft aligns or where it deviates? For example: o Policy Decision Point (PDP) o Policy Enforcement Point (PEP) o provisioned policy It seems to me this Internet Draft provides support for provisioned=20 policies where the server is both the PDP and the PEP. Neither "Implicit policy variable" nor "Explicit policy variable" are= =20 defined in RFC3460, though it does introduce (but not formally define)=20 the following terms. Be good to properly align with the terms in the=20 RFC: o "Implicit PolicyVariable", "Implicitly bound policy variable" and=20 "Implicitly defined policy variable" o "Explicitly bound policy variable" and "Explicitly defined policy=20 variable" Event: The definition of "Event" is a direct lift from RFC5277, so=20 shouldn't it just be included it in the list of predefined terms?=20 However, it appears the term that is actually used in the Internet Draft=20 is "Notification" (in the definitions of Server Event and Datastore=20 Event) and, since "Event" is such an overloaded term, it may be better=20 to define "Notification". Event Stream is used in this Internet Draft, where "Stream" is=20 defined in RFC5277. Condition: s/cause/causes Action: s/Updates or invocations/Update or invocation ECA Event: Is something missing in this definition, should there be a period=20 after "processing", or should "Derived" not have a capital "D"? s/extensible list/an extensible list Datastore Event: s/for a/for which a Self Monitoring: I find it confusing that "Self Monitoring"=20 encompasses both monitor and control. Self Healing: s/discovery, and correction/discovery and correction s/actions/Actions s/system/the system Policy Variable (PV): It is rather confusing that this Internet Draft= =20 both uses the definition of "policy variable" from RFC3460 and has its=20 own definition. Should we just rely on capitalisation to determine which=20 is meant? Jonathan --------=_MB95C3909A-F37C-43F1-A0DD-008636592B59 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html><head> <style id=3D"css_styles">=20 blockquote.cite { margin-left: 5px; margin-right: 0px; padding-left: 10px;= padding-right:0px; border-left: 1px solid #cccccc } blockquote.cite2 {margin-left: 5px; margin-right: 0px; padding-left: 10px;= padding-right:0px; border-left: 1px solid #cccccc; margin-top: 3px; padding= -top: 0px; } a img { border: 0px; } li[style=3D'text-align: center;'], li[style=3D'text-align: center; '], li[s= tyle=3D'text-align: right;'], li[style=3D'text-align: right; '] { list-sty= le-position: inside;} body { font-family: Segoe UI; font-size: 12pt; }=20 .quote { margin-left: 1em; margin-right: 1em; border-left: 5px #ebebeb soli= d; padding-left: 0.3em; } </style> </head> <body><div>Hi,<br /><br />Most of my comments are editorial and to date onl= y address up to the end of Section 2:<br /><br />Page 1<br /><br />=C2=A0 = =C2=A0Could the Abstract be simplified to:<br />=C2=A0 =C2=A0=C2=A0 =C2=A0= This document defines a YANG data model for Event Condition Action<br />=C2= =A0 =C2=A0=C2=A0 =C2=A0(ECA) policy management.=C2=A0 The ECA policy YANG m= odule provides the<br />=C2=A0 =C2=A0=C2=A0 =C2=A0ability to delegate some= network management functions to the server<br />=C2=A0 =C2=A0=C2=A0 =C2=A0w= hich can take simple and instant action when a trigger condition on<br />= =C2=A0 =C2=A0=C2=A0 =C2=A0the system state is met.<br /><br />Page 3<br /><= br />=C2=A0 =C2=A01. Introduction<br /><br />=C2=A0 =C2=A01st bullet should = end in a semi-colon, not a period<br /><br />=C2=A0 =C2=A02nd bullet:<br /= >=C2=A0 =C2=A0=C2=A0 =C2=A0s/large amount/large amounts<br /><br />=C2=A0 = =C2=A03rd bullet:<br />=C2=A0 =C2=A0=C2=A0 =C2=A0s/can not/cannot<br /><br = />=C2=A0 =C2=A0=C2=A0 =C2=A0s/disconnected from/not connected to<br /><br= />=C2=A0 =C2=A04th bullet:<br />=C2=A0 =C2=A0=C2=A0 =C2=A0s/devices needs/d= evices need<br /><br />=C2=A0 =C2=A0=C2=A0 =C2=A0s/hundeds/hundreds<br /><b= r />=C2=A0 =C2=A0=C2=A0 =C2=A0I think a comma after "notifications" would m= ake it easier to parse the sentence which should end in a period, not a sem= i-colon<br /><br />=C2=A0 =C2=A0Either<br />=C2=A0 =C2=A0=C2=A0 =C2=A0s/net= work management function/the network management function<br />=C2=A0 =C2=A0= Or<br />=C2=A0 =C2=A0=C2=A0 =C2=A0s/network management function/network man= agement functions <br /><br />=C2=A0 =C2=A0s/server monitor/server to monit= or<br /><br />=C2=A0 =C2=A0Is it a service or the server that is providing= continuous performance monitoring?<br /><br />=C2=A0 =C2=A0s/monitoring and = detect defects and failures and/monitoring, detect defects and failures, a= nd<br /><br />=C2=A0 =C2=A0s/a ECA Policy/an ECA Policy<br /><br />=C2=A0 = =C2=A0The second sentence of the penultimate paragraph on page 3 is too lo= ng, confusing and unstructured. It needs re-writing.<br /><br />Page 4<br /= ><br />=C2=A0 =C2=A02.1. Terminology<br /><br />=C2=A0 =C2=A0Might it be wo= rth including definitions from RFC3198 "Terminology for Policy-Based Manage= ment" as well, either to explain how this Internet Draft aligns or where it = deviates? For example:<br /><br />=C2=A0 =C2=A0o=C2=A0 Policy Decision Poi= nt (PDP)<br /><br />=C2=A0 =C2=A0o=C2=A0 Policy Enforcement Point (PEP)<br= /><br />=C2=A0 =C2=A0o=C2=A0 provisioned policy<br /><br />=C2=A0 =C2=A0It= seems to me this Internet Draft provides support for provisioned policies w= here the server is both the PDP and the PEP.<br /><br />=C2=A0 =C2=A0Neithe= r "Implicit policy variable" nor=C2=A0"Explicit policy variable" are define= d in RFC3460, though it does introduce (but not formally define) the follow= ing terms. Be good to properly align with the terms in the RFC:<br /><br />= =C2=A0 =C2=A0o=C2=A0 "Implicit PolicyVariable", "Implicitly bound policy va= riable" and "Implicitly defined policy variable"<br /><br />=C2=A0 =C2=A0o= =C2=A0 "Explicitly bound policy variable" and "Explicitly defined policy va= riable"<br /><br />=C2=A0 =C2=A0Event: The definition of "Event" is a direc= t lift from RFC5277, so shouldn't it just be included it in the list of pre= defined terms? However, it appears the term that is actually used in the In= ternet Draft is "Notification" (in the definitions of Server Event and Data= store Event) and, since "Event" is such an overloaded term, it may be bette= r to define "Notification".<br /><br />=C2=A0 =C2=A0Event Stream is used in = this Internet Draft, where "Stream" is defined in RFC5277.<br /><br />=C2= =A0 =C2=A0Condition: s/cause/causes<br /><br />=C2=A0 =C2=A0Action: s/Updat= es or invocations/Update or invocation<br /><br />=C2=A0 =C2=A0ECA Event:<b= r /><br />=C2=A0 =C2=A0=C2=A0 =C2=A0Is something missing in this definition= , should there be a period after "processing", or should "Derived" not have = a capital "D"?<br /><br />=C2=A0 =C2=A0=C2=A0 =C2=A0s/extensible list/an e= xtensible list<br /><br />=C2=A0 =C2=A0Datastore Event: s/for a/for which a= <br /><br />=C2=A0 =C2=A0Self Monitoring: I find it confusing that "Self Mo= nitoring" encompasses both monitor and control.<br /><br />=C2=A0 =C2=A0Sel= f Healing:<br /><br />=C2=A0 =C2=A0=C2=A0 =C2=A0s/discovery, and correction= /discovery and correction<br /><br />=C2=A0 =C2=A0=C2=A0 =C2=A0s/actions/Ac= tions<br /><br />=C2=A0 =C2=A0=C2=A0 =C2=A0s/system/the system<br /><br />= =C2=A0 =C2=A0Policy Variable (PV): It is rather confusing that this Interne= t Draft both uses the definition of "policy variable" from RFC3460 and has= its own definition. Should we just rely on capitalisation to determine whic= h is meant?<br /><br />Jonathan<br /></div> </body></html> --------=_MB95C3909A-F37C-43F1-A0DD-008636592B59-- From nobody Fri Jul 31 19:52:03 2020 Return-Path: <rrahman@cisco.com> X-Original-To: netmod@ietfa.amsl.com Delivered-To: netmod@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 337D53A109F for <netmod@ietfa.amsl.com>; Fri, 31 Jul 2020 19:52:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.619 X-Spam-Level: X-Spam-Status: No, score=-9.619 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com 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Received: from localhost (anna.jacobs.jacobs-university.de [10.50.218.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by hermes.jacobs-university.de (Postfix) with ESMTPS id 1363C200E4; Sat, 1 Aug 2020 07:39:07 +0200 (CEST) Date: Sat, 1 Aug 2020 07:39:06 +0200 From: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> To: "Reshad Rahman (rrahman)" <rrahman=40cisco.com@dmarc.ietf.org> Cc: "netmod@ietf.org" <netmod@ietf.org> Message-ID: <20200801053906.n5cnacpzrknhkrnc@anna.jacobs.jacobs-university.de> Reply-To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de> Mail-Followup-To: "Reshad Rahman (rrahman)" <rrahman=40cisco.com@dmarc.ietf.org>, "netmod@ietf.org" <netmod@ietf.org> References: <E0547418-ACC4-4D92-8BA6-080A55B536AC@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <E0547418-ACC4-4D92-8BA6-080A55B536AC@cisco.com> X-Clacks-Overhead: GNU Terry Pratchett Content-Transfer-Encoding: quoted-printable Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/NjucCi_55IVjVsYOh84IAKANh6I> Subject: Re: [netmod] Follow-up: impact of changing an import statement X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list <netmod.ietf.org> List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe> List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/> List-Post: <mailto:netmod@ietf.org> List-Help: <mailto:netmod-request@ietf.org?subject=help> List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe> X-List-Received-Date: Sat, 01 Aug 2020 05:39:13 -0000 On Sat, Aug 01, 2020 at 02:51:54AM +0000, Reshad Rahman (rrahman) wrote: > WG, >=20 > Following up from the discussions during NETMOD meeting on Thursday. On= e of the main open topics is what to do when an import stmt is changed, f= or example >=20 > 1. Module A (1.0.0) imports module B using =E2=80=9C2.0.0 or derived= =E2=80=9D. There is no version 3+ for module B so module A uses 2.Y.Z > 2. A new revision 3.0.0 of module B is created AND there is a change= in module A to import module B using =E2=80=9C3.0.0 or derived=E2=80=9D. What does "2.0.0 or derived" mean? Does it mean (i) any module >=3D 2.0.0 or does it mean (ii) any (module >=3D 2.0.0 && < 3.0.0)? =20 > Authors/contributors have discussed 2 options and right now we don=E2=80= =99t have unanimity: >=20 > 1. Option A: depending on the impact on the importing module A, the = import-stmt is deemed BC or NBC. E.g. if the only NBC change in the impo= rted module is to a type which the importing module does NOT use, that=E2= =80=99s a BC change for the importing module. > 2. Option B: consider the import-stmt change as a BC change and reso= lve this elsewhere e.g. YANG-Packages or YANG-Library. Whether a change is BC or not always depends on which definitions have changed, how they have changed, and how these definitions are used. So the answer very likely must be option 1. Option 2 also seems to push the problem elsewhere (packages, library) without providing the details. /js --=20 Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/>