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Subject: Re: [drinks] Rough Notes and AI list from the call on 1/27
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On 27.01.2011 18:19, Sumanth Channabasappa wrote:
> 
> - Syed provided a quick update on further changes. We had a discussion
> around the text related to the expansion of the TN Range w.r.t. the open
> numbering plan. Ken suggested alternative text. Further, Sumanth
> recommended that 'range' may not make sense with an 'open numbering
> plan'. 

That's one thing that I noticed, too: range and open numbering plans don't
mix. The TNPType is sufficient.

otmar
-- 
// Otmar Lendl <lendl@nic.at>, T: +43 1 5056416 - 33, F: - 933 //

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Subject: [drinks] My review of SPPP-03, part 2  (was:  Seeking volunteers for the protocol I-D)
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On 10.12.2010 10:31, Otmar Lendl wrote:
> On 03.11.2010 00:36, Sumanth Channabasappa wrote:
>>
>> Given this, we would like to request expert reviewers who can help the WG make progress on this I-D. 
> 
> .... to be continued.

I finally managed to read through the rest of the document.

Here are my comments:

Fist of all, the ordering in chapter 6 is messed up.

>    6.  Protocol Commands  . . . . . . . . . . . . . . . . . . . . . . 27
>      6.1.  Add Route Group Operation  . . . . . . . . . . . . . . . . 27
>      6.2.  Get Route Groups Operation . . . . . . . . . . . . . . . . 31
>      6.3.  Add Destination Group Operation  . . . . . . . . . . . . . 32
>      6.4.  Get Destination Groups Operation . . . . . . . . . . . . . 33
>      6.5.  Add Route Group Offer Operation  . . . . . . . . . . . . . 34
>      6.6.  Accept Route Group Offer Operation . . . . . . . . . . . . 36
>      6.7.  Reject Route Group Offer Operation . . . . . . . . . . . . 37
>      6.8.  Get Route Group Offers Operation . . . . . . . . . . . . . 38
>      6.9.  Public Identifier Operations . . . . . . . . . . . . . . . 40
>      6.10. Egress Route Operations  . . . . . . . . . . . . . . . . . 45
>      6.11. Add Route Record Operation . . . . . . . . . . . . . . . . 47
>      6.12. Get Route Records Operation  . . . . . . . . . . . . . . . 52
>      6.13. Delete Operation . . . . . . . . . . . . . . . . . . . . . 53

I'd go for:

>      6.13. Delete Operation . . . . . . . . . . . . . . . . . . . . . 53
>      6.3.  Add Destination Group Operation  . . . . . . . . . . . . . 32
>      6.4.  Get Destination Groups Operation . . . . . . . . . . . . . 33
>      6.9.  Public Identifier Operations . . . . . . . . . . . . . . . 40
>      6.11. Add Route Record Operation . . . . . . . . . . . . . . . . 47
>      6.12. Get Route Records Operation  . . . . . . . . . . . . . . . 52
>      6.5.  Add Route Group Offer Operation  . . . . . . . . . . . . . 34
>      6.1.  Add Route Group Operation  . . . . . . . . . . . . . . . . 27
>      6.2.  Get Route Groups Operation . . . . . . . . . . . . . . . . 31
>      6.6.  Accept Route Group Offer Operation . . . . . . . . . . . . 36
>      6.7.  Reject Route Group Offer Operation . . . . . . . . . . . . 37
>      6.8.  Get Route Group Offers Operation . . . . . . . . . . . . . 38
>      6.10. Egress Route Operations  . . . . . . . . . . . . . . . . . 45

(or the order used in the example section 7)

Page 29:

----
   o    peeringOrg: Set of zero or more peering organization IDs that
        have accepted an offer to receive this Route Group's
        information.
----

Would there be a point in also offering the list of peering orgs that you
have offered the route-group to?

----------

A more general question regarding all Add* requests:

---
   The AddDestGrpRqstType operation creates or overwrites a Destination
   Group object.  If a Destination Group with the given name and
   registrant ID (which together comprise the unique key for a
   Destination Group) does not exist, then the server MUST create the
   Destination Group.
---

What does SPPP say about the write permissions in the registry? The the EPP
world, registrars can only modify/delete objects that they themselves have
created. The only exception is the domain transfer operation.

While the BasicObjType guarantees that the registry keeps track of who
generated what, I'm a bit at loss on where that information is relevant.

As I read the SPPP document, all registrars can enter data for all
registrants. There is no protection against malicious registrars changing
object submitted by another registrar. This, of course, makes the
"registrant A is now handled by registrar B instead of C" operation
unnecessary.

The phrase "...querying registrar has the authority to view." shows up a
few times, but I find nothing on visibility rules or permissions to change
objects.

Page 40
---
   SPPP identifies three types of Public Identifiers: telephone number
   (TN), email address, and the routing number (RN).  SPPP provides
   structures to manage a single TN, a contiguous range of TNs, and a TN
   prefix.
---

Please get rid of "email address". Use SIP URIs as examples.

Page 41
---
             If there is a conflict and a Public Identifier already
   exists in the Registry, the old entry will be replaced with the newly
   provisioned entry.  For the add or update operation, the destination
   group name is a mandatory parameter.  Not including a valid
   destination group name in the update request will cause the Registry
   to return an appropriate error.
---

This basically implies some sort of database integrity check (i.e. a
foreign key) on Add. This is good.

But: what about deletes? Can I remove an object that is referenced by some
other object? What if the referencing object is owned by another registrar?

Will the delete be rejected?
Will the delete cascade?
Will the system allow for inconsistencies in such a case?

---
   o    corInfo: corInfo is an optional parameter of type CORInfoType
        that allows the registrant organization to set forth a claim to
        be the carrier-of-record [see RFC 5067].
---

Does SPPP allow for any filtering on received routes based on the CORInfo
data? e.g.: "Please return only then Routes for a query if the TN is tagged
as COR in the matching DestGrp."

Page 43
---
   o    prefix: Optional attribute, when set to "true", indicates that
        the Open Number Plan applies to a given TN Range
---

As mentioned before: Range and ONPs don't mix.

See also http://www.ietf.org/mail-archive/web/drinks/current/msg00803.html

Page 45
---
6.10.  Egress Route Operations
---

WHY?

I can't remember whether I wrote about this before, but there is absolutely
no need to bother the registry with this.

This is something you might tell your resolution service. Egress routes are
only relevant to one registrant, so why put it in a shared database?

Page 49
---
                       The NSType object is comprised of the data
   elements necessary for a Name Server that points to another DNS
   server that contains the desired routing information.
---

I'm missing here two things:

* It's completely unstated that one should use ENUM to query the
nameservers returned here. Please make that explicit.

* It might be helpful to also include the ENUM Apex to be used. "e164.arpa"
is fine as the default, but why not add the option here to use something else?

Page 51
---
        <element name="type" type="spppb:IPType"/>
---

Wouldn't that be cleaner as an attribute and not a element?

i.e. instead of
  <ipAddr>
    <addr>1.2.3.4</addr>
    <type>IPv4<7type>
  </ipAddr>

use something like

  <ipAddr type="IPv4">1.2.3.4</ipAddr>

Yes, this is purely cosmetic.

---
  The NSType object is composed of the following elements:

   o    hostName: Fully qualified host name of the name server.

   o    ipAddr: Zero or more objects of type IpAddrType.  Each object
        holds an IP Address and the IP Address type, IPv4 or IP v6.
---

I don't like this. Either you give just the FQDN and let the DNS resolve
the rest, or just return the IP-Addresses. Doing both will lead to
inconsistencies with the real world DNS, generating confusion and debugging
hell.

On a more general level regarding route entries, I'm still waiting for
feedback on my proposal from
http://www.ietf.org/mail-archive/web/drinks/current/msg00766.html .

Page 62

junk 7.8

-------------

I hope this helps.

otmar
-- 
// Otmar Lendl <lendl@nic.at>, T: +43 1 5056416 - 33, F: - 933 //

From sumanth@cablelabs.com  Mon Feb 14 12:23:47 2011
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From: Sumanth Channabasappa <sumanth@cablelabs.com>
To: "Drinks@ietf.org" <Drinks@ietf.org>
Date: Mon, 14 Feb 2011 13:24:03 -0700
Thread-Topic: Rough Notes and AI list from the call on 2/10
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FYI...there was no call on 2/3.


IETF DRINKS DESIGN TEAM CALL=20
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
2/10/2011, 10:00a-10:30a (Eastern)/8:00a-8:30a (Mountain)
=20

Participants
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
- Ken Cartwright
- Syed Ali
- Manjul Maharishi

- Sumanth Channabasappa=20

      =20
ACTION ITEMS=20
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

[Ken, 2/15] Present an update t the I-D
[Authors, 2/15] Review and respond to Otmar's comments



AGENDA
=3D=3D=3D=3D=3D=3D
0. Notes from last time
1. Status update from the authors (use cases, protocol I-Ds)=20
2. Agenda for the next IETF=20
3. Other topics (e.g., open source project)


NOTES
=3D=3D=3D=3D=3D

0. Notes from last time
1. Status update from the authors (use cases, protocol I-Ds)=20
2. Agenda for the next IETF=20
3. Other topics (e.g., open source project)



1. Status update from the authors (use cases, protocol I-Ds)=20

- Syed indicated that he is done with the changes he had proposed last week
- Ken is going to update the I-D with a few more changes
- Otmar send across a detailed set of comments (thanks); the authors plan t=
o review and respond in the next few days.



2. TBD for the next IETF

- We discussed the following tentative agenda
 =20
          1/ WG status review (5 mts, WG chairs)
 =20
          2/ Protocol document - status, open issues, discussion (45 mts, D=
ocument Authors)
             Link      : http://tools.ietf.org/wg/drinks/draft-ietf-drinks-=
spprov/

          3/ Transport document - status, open issues, discussion (15 mts, =
Document Authors)
             Link      : http://tools.ietf.org/wg/drinks/draft-ietf-drinks-=
sppp-over-soap/

          4/ Proposed Next steps (10 mts)

          5/ Open Mic (10 mts)


- If there are no further comments on the WG we will submit this as the ten=
tative agenda



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FYI, and comments are welcome...







  IETF 80 - Prague, Czech Republic



          DATE : TBD

          TIME : TBD

          PLACE: TBD



          Personnel

          =3D=3D=3D=3D=3D=3D=3D=3D=3D



          WG Chairs:

          - Alexander Mayrhofer <alexander.mayrhofer@nic.at<mailto:alexande=
r.mayrhofer@nic.at>>

          - Sumanth Channabasappa <sumanth@cablelabs.com<mailto:sumanth@cab=
lelabs.com>>



          Area Directors:

          - Gonzalo Camarillo <gonzalo.camarillo@ericsson.com<mailto:gonzal=
o.camarillo@ericsson.com>>

          - Robert Sparks <rjsparks@nostrum.com<mailto:rjsparks@nostrum.com=
>>



          Mailing List

          - Address: drinks@ietf.org<mailto:drinks@ietf.org>

          - To Subscribe: https://www.ietf.org/mailman/listinfo/drinks

          - Archive: http://www.ietf.org/mail-archive/web/drinks/



          Jabber Chat:

          - Room Address: xmpp:drinks@jabber.ietf.org

          - Logs: http://jabber.ietf.org/logs/drinks/



          AGENDA

          =3D=3D=3D=3D=3D=3D



          0/ Welcome and Administrivia (5 mts)

             - Note well

             - Blue Sheets

             - Scribes

             - Agenda bashing

          1/ WG status review (5 mts, WG chairs)



          2/ Protocol document - status, open issues, discussion (45 mts, D=
ocument Authors)

             Link      : http://tools.ietf.org/wg/drinks/draft-ietf-drinks-=
spprov/



          3/ Transport document - status, open issues, discussion (15 mts, =
Document Authors)

             Link      : http://tools.ietf.org/wg/drinks/draft-ietf-drinks-=
sppp-over-soap/



          4/ Proposed Next steps (10 mts)



          5/ Open Mic (10 mts)










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nk=3Dpurple><div class=3DWordSection1><p class=3DMsoPlainText>FYI, and comm=
ents are welcome&#8230;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <o:p></o:=
p></p><p class=3DMsoPlainText><o:p>&nbsp;</o:p></p><p class=3DMsoPlainText>=
<o:p>&nbsp;</o:p></p><p class=3DMsoPlainText><o:p>&nbsp;</o:p></p><p class=
=3DMsoPlainText>&nbsp; IETF 80 - Prague, Czech Republic<o:p></o:p></p><p cl=
ass=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <=
o:p></o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;DATE : TBD<o:p></o:p></p><p class=3DMsoPlainText>&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TIME : TBD<o:p></o:p></=
p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp; PLACE: TBD<o:p></o:p></p><p class=3DMsoPlainText><o:p>&nbsp;</o:p></p=
><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp; Personnel<o:p></o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p>=
<p class=3DMsoPlainText><o:p>&nbsp;</o:p></p><p class=3DMsoPlainText>&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; WG Chairs:<o:p></o:p></p><=
p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p; - Alexander Mayrhofer &lt;<a href=3D"mailto:alexander.mayrhofer@nic.at">=
alexander.mayrhofer@nic.at</a>&gt;<o:p></o:p></p><p class=3DMsoPlainText>&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - Sumanth Channabasapp=
a &lt;<a href=3D"mailto:sumanth@cablelabs.com">sumanth@cablelabs.com</a>&gt=
;<o:p></o:p></p><p class=3DMsoPlainText><o:p>&nbsp;</o:p></p><p class=3DMso=
PlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Area Direc=
tors: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <o:p></o:p></p><p class=3DMsoPla=
inText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- Gonzal=
o Camarillo &lt;<a href=3D"mailto:gonzalo.camarillo@ericsson.com">gonzalo.c=
amarillo@ericsson.com</a>&gt;<o:p></o:p></p><p class=3DMsoPlainText>&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - Robert Sparks &lt;<a href=
=3D"mailto:rjsparks@nostrum.com">rjsparks@nostrum.com</a>&gt;<o:p></o:p></p=
><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <o:p></o:p></p><=
p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;Mailing List<o:p></o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - Address: <a href=3D"mailto:drinks@=
ietf.org">drinks@ietf.org</a><o:p></o:p></p><p class=3DMsoPlainText>&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - To Subscribe: <a href=3D"=
https://www.ietf.org/mailman/listinfo/drinks">https://www.ietf.org/mailman/=
listinfo/drinks</a><o:p></o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; - Archive: <a href=3D"http://www.ietf=
.org/mail-archive/web/drinks/">http://www.ietf.org/mail-archive/web/drinks/=
</a><o:p></o:p></p><p class=3DMsoPlainText><o:p>&nbsp;</o:p></p><p class=3D=
MsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Jabber =
Chat:<o:p></o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp; - Room Address: xmpp:drinks@jabber.ietf.org<o:p></o=
:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp; - Logs: <a href=3D"http://jabber.ietf.org/logs/drinks/">http://j=
abber.ietf.org/logs/drinks/</a><o:p></o:p></p><p class=3DMsoPlainText>&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <o:p></o:p></p><p class=3DMsoPlainTex=
t>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AGENDA<o:p></=
o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp; =3D=3D=3D=3D=3D=3D<o:p></o:p></p><p class=3DMsoPlainText><o:p>&=
nbsp;</o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
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ass=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp; - Note well<o:p></o:p></p><p class=3DMsoPlainText>&nbsp;&n=
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:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;1/ WG status review (5 mts, WG chairs)<o:p></o:p></p><p cla=
ss=3DMsoPlainText>&nbsp; <o:p></o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2/ Protocol document - sta=
tus, open issues, discussion (45 mts, Document Authors)<o:p></o:p></p><p cl=
ass=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp; Link&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : <a href=3D"http://too=
ls.ietf.org/wg/drinks/draft-ietf-drinks-spprov/">http://tools.ietf.org/wg/d=
rinks/draft-ietf-drinks-spprov/</a><o:p></o:p></p><p class=3DMsoPlainText><=
o:p>&nbsp;</o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp; 3/ Transport document - status, open issues, discus=
sion (15 mts, Document Authors)<o:p></o:p></p><p class=3DMsoPlainText>&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Link&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; : <a href=3D"http://tools.ietf.org/wg/drinks/dr=
aft-ietf-drinks-sppp-over-soap/">http://tools.ietf.org/wg/drinks/draft-ietf=
-drinks-sppp-over-soap/</a><o:p></o:p></p><p class=3DMsoPlainText><o:p>&nbs=
p;</o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; 4/ Proposed Next steps (10 mts)<o:p></o:p></p><p class=3DMs=
oPlainText><o:p>&nbsp;</o:p></p><p class=3DMsoPlainText>&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5/ Open Mic (10 mts)<o:p></o:p></p><p c=
lass=3DMsoPlainText><o:p>&nbsp;</o:p></p><p class=3DMsoPlainText><o:p>&nbsp=
;</o:p></p><p class=3DMsoPlainText><o:p>&nbsp;</o:p></p><p class=3DMsoPlain=
Text><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span style=3D'font-size:12.=
0pt'><o:p>&nbsp;</o:p></span></p></div></body></html>=

--_000_76AC5FEF83F1E64491446437EA81A61F7D20AFF4D0srvxchg_--

From sumanth@cablelabs.com  Thu Feb 17 08:40:42 2011
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From: Sumanth Channabasappa <sumanth@cablelabs.com>
To: "Drinks@ietf.org" <Drinks@ietf.org>
Date: Thu, 17 Feb 2011 09:41:10 -0700
Thread-Topic: Rough Notes and AI list from the call on 2/17
Thread-Index: AcvOwXUR1TTVry5/RpurZ9VChz+7Qw==
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IETF DRINKS DESIGN TEAM CALL=20
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
2/17/2011, 10:00a-10:30a (Eastern)/8:00a-8:30a (Mountain)
=20
Participants
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
- Ken Cartwright
- Manjul Maharishi

- Sumanth Channabasappa=20


ACTION ITEMS=20
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
[Authors, 2/19] Submit the current revision of the I-Ds


AGENDA
=3D=3D=3D=3D=3D=3D
0. Notes from last time
1. Status update from the authors (use cases, protocol I-Ds)=20
2. Agenda for the next IETF=20
3. Other topics (e.g., open source project)


NOTES
=3D=3D=3D=3D=3D
0. Notes from last time
- We did not these notes

1. Status update from the authors (use cases, protocol I-Ds)=20
- Syed and Ken have an updated I-D; however this does not address Otmar's r=
ecent comments
- Sumanth suggested that we submit this version, and follow-up with Otmar's=
 comments -- participants agreed
- Sumanth also requested the authors - who have been busy with other commit=
ments - to address open comments (i.e., Otmar's email) as soon as possible


2. Agenda for the next IETF=20
- Sumanth has sent across a tentative agenda last week
- The participants are fine with this


3. Other topics
- None




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From: Sumanth Channabasappa <sumanth@cablelabs.com>
To: Otmar Lendl <lendl@nic.at>, "drinks@ietf.org" <drinks@ietf.org>
Date: Thu, 17 Feb 2011 10:12:37 -0700
Thread-Topic: [drinks] My review of SPPP-03, part 2  (was:  Seeking volunteers for the protocol I-D)
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Thanks, Otmar. While the authors have been preoccupied, they hope to review=
 and respond over the next few days. They did indicate that their current I=
-D updates (that they plan to submit) do not address your comments.=20

- S

-----Original Message-----
From: drinks-bounces@ietf.org [mailto:drinks-bounces@ietf.org] On Behalf Of=
 Otmar Lendl
Sent: Thursday, February 10, 2011 4:52 AM
To: drinks@ietf.org
Subject: [drinks] My review of SPPP-03, part 2 (was: Seeking volunteers for=
 the protocol I-D)

On 10.12.2010 10:31, Otmar Lendl wrote:
> On 03.11.2010 00:36, Sumanth Channabasappa wrote:
>>
>> Given this, we would like to request expert reviewers who can help the W=
G make progress on this I-D.=20
>=20
> .... to be continued.

I finally managed to read through the rest of the document.

Here are my comments:

Fist of all, the ordering in chapter 6 is messed up.

>    6.  Protocol Commands  . . . . . . . . . . . . . . . . . . . . . . 27
>      6.1.  Add Route Group Operation  . . . . . . . . . . . . . . . . 27
>      6.2.  Get Route Groups Operation . . . . . . . . . . . . . . . . 31
>      6.3.  Add Destination Group Operation  . . . . . . . . . . . . . 32
>      6.4.  Get Destination Groups Operation . . . . . . . . . . . . . 33
>      6.5.  Add Route Group Offer Operation  . . . . . . . . . . . . . 34
>      6.6.  Accept Route Group Offer Operation . . . . . . . . . . . . 36
>      6.7.  Reject Route Group Offer Operation . . . . . . . . . . . . 37
>      6.8.  Get Route Group Offers Operation . . . . . . . . . . . . . 38
>      6.9.  Public Identifier Operations . . . . . . . . . . . . . . . 40
>      6.10. Egress Route Operations  . . . . . . . . . . . . . . . . . 45
>      6.11. Add Route Record Operation . . . . . . . . . . . . . . . . 47
>      6.12. Get Route Records Operation  . . . . . . . . . . . . . . . 52
>      6.13. Delete Operation . . . . . . . . . . . . . . . . . . . . .=20
> 53

I'd go for:

>      6.13. Delete Operation . . . . . . . . . . . . . . . . . . . . . 53
>      6.3.  Add Destination Group Operation  . . . . . . . . . . . . . 32
>      6.4.  Get Destination Groups Operation . . . . . . . . . . . . . 33
>      6.9.  Public Identifier Operations . . . . . . . . . . . . . . . 40
>      6.11. Add Route Record Operation . . . . . . . . . . . . . . . . 47
>      6.12. Get Route Records Operation  . . . . . . . . . . . . . . . 52
>      6.5.  Add Route Group Offer Operation  . . . . . . . . . . . . . 34
>      6.1.  Add Route Group Operation  . . . . . . . . . . . . . . . . 27
>      6.2.  Get Route Groups Operation . . . . . . . . . . . . . . . . 31
>      6.6.  Accept Route Group Offer Operation . . . . . . . . . . . . 36
>      6.7.  Reject Route Group Offer Operation . . . . . . . . . . . . 37
>      6.8.  Get Route Group Offers Operation . . . . . . . . . . . . . 38
>      6.10. Egress Route Operations  . . . . . . . . . . . . . . . . .=20
> 45

(or the order used in the example section 7)

Page 29:

----
   o    peeringOrg: Set of zero or more peering organization IDs that
        have accepted an offer to receive this Route Group's
        information.
----

Would there be a point in also offering the list of peering orgs that you h=
ave offered the route-group to?

----------

A more general question regarding all Add* requests:

---
   The AddDestGrpRqstType operation creates or overwrites a Destination
   Group object.  If a Destination Group with the given name and
   registrant ID (which together comprise the unique key for a
   Destination Group) does not exist, then the server MUST create the
   Destination Group.
---

What does SPPP say about the write permissions in the registry? The the EPP=
 world, registrars can only modify/delete objects that they themselves have=
 created. The only exception is the domain transfer operation.

While the BasicObjType guarantees that the registry keeps track of who gene=
rated what, I'm a bit at loss on where that information is relevant.

As I read the SPPP document, all registrars can enter data for all registra=
nts. There is no protection against malicious registrars changing object su=
bmitted by another registrar. This, of course, makes the "registrant A is n=
ow handled by registrar B instead of C" operation unnecessary.

The phrase "...querying registrar has the authority to view." shows up a fe=
w times, but I find nothing on visibility rules or permissions to change ob=
jects.

Page 40
---
   SPPP identifies three types of Public Identifiers: telephone number
   (TN), email address, and the routing number (RN).  SPPP provides
   structures to manage a single TN, a contiguous range of TNs, and a TN
   prefix.
---

Please get rid of "email address". Use SIP URIs as examples.

Page 41
---
             If there is a conflict and a Public Identifier already
   exists in the Registry, the old entry will be replaced with the newly
   provisioned entry.  For the add or update operation, the destination
   group name is a mandatory parameter.  Not including a valid
   destination group name in the update request will cause the Registry
   to return an appropriate error.
---

This basically implies some sort of database integrity check (i.e. a foreig=
n key) on Add. This is good.

But: what about deletes? Can I remove an object that is referenced by some =
other object? What if the referencing object is owned by another registrar?

Will the delete be rejected?
Will the delete cascade?
Will the system allow for inconsistencies in such a case?

---
   o    corInfo: corInfo is an optional parameter of type CORInfoType
        that allows the registrant organization to set forth a claim to
        be the carrier-of-record [see RFC 5067].
---

Does SPPP allow for any filtering on received routes based on the CORInfo d=
ata? e.g.: "Please return only then Routes for a query if the TN is tagged =
as COR in the matching DestGrp."

Page 43
---
   o    prefix: Optional attribute, when set to "true", indicates that
        the Open Number Plan applies to a given TN Range
---

As mentioned before: Range and ONPs don't mix.

See also http://www.ietf.org/mail-archive/web/drinks/current/msg00803.html

Page 45
---
6.10.  Egress Route Operations
---

WHY?

I can't remember whether I wrote about this before, but there is absolutely=
 no need to bother the registry with this.

This is something you might tell your resolution service. Egress routes are=
 only relevant to one registrant, so why put it in a shared database?

Page 49
---
                       The NSType object is comprised of the data
   elements necessary for a Name Server that points to another DNS
   server that contains the desired routing information.
---

I'm missing here two things:

* It's completely unstated that one should use ENUM to query the nameserver=
s returned here. Please make that explicit.

* It might be helpful to also include the ENUM Apex to be used. "e164.arpa"
is fine as the default, but why not add the option here to use something el=
se?

Page 51
---
        <element name=3D"type" type=3D"spppb:IPType"/>
---

Wouldn't that be cleaner as an attribute and not a element?

i.e. instead of
  <ipAddr>
    <addr>1.2.3.4</addr>
    <type>IPv4<7type>
  </ipAddr>

use something like

  <ipAddr type=3D"IPv4">1.2.3.4</ipAddr>

Yes, this is purely cosmetic.

---
  The NSType object is composed of the following elements:

   o    hostName: Fully qualified host name of the name server.

   o    ipAddr: Zero or more objects of type IpAddrType.  Each object
        holds an IP Address and the IP Address type, IPv4 or IP v6.
---

I don't like this. Either you give just the FQDN and let the DNS resolve th=
e rest, or just return the IP-Addresses. Doing both will lead to inconsiste=
ncies with the real world DNS, generating confusion and debugging hell.

On a more general level regarding route entries, I'm still waiting for feed=
back on my proposal from http://www.ietf.org/mail-archive/web/drinks/curren=
t/msg00766.html .

Page 62

junk 7.8

-------------

I hope this helps.

otmar
--
// Otmar Lendl <lendl@nic.at>, T: +43 1 5056416 - 33, F: - 933 // _________=
______________________________________
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	Title           : Session Peering Provisioning Protocol
	Author(s)       : J. Mule, et al.
	Filename        : draft-ietf-drinks-spprov-04.txt
	Pages           : 97
	Date            : 2011-02-18

This document defines a protocol for provisioning session
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Provider data stores.  The provisioned data is typically used by
various network elements for session peering.

This document describes the Session Peering Provisioning Protocol
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Filename:        draft-ietf-drinks-spprov
Revision:        04
Title:           Session Peering Provisioning Protocol
Creation_date:   2011-02-17
WG ID:           drinks
Number_of_pages: 97

Abstract:
This document defines a protocol for provisioning session
establishment data into Session Data Registries and SIP Service
Provider data stores.  The provisioned data is typically used by
various network elements for session peering.

This document describes the Session Peering Provisioning Protocol
used by clients to provision registries.  The document provides a set
of guiding principles for the design of this protocol including
extensibility and independent transport definitions, a basic data
model and an XML Schema Document.



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Filename:        draft-ietf-drinks-sppp-over-soap
Revision:        02
Title:           SPPP Over SOAP and HTTP
Creation_date:   2011-02-17
WG ID:           drinks
Number_of_pages: 17

Abstract:
The Session Peering Provisioning Protocol (SPPP) is an XML protocol
that exists to enable the provisioning of session establishment data
into Session Data Registries or SIP Service Provider data stores.
Sending XML data structures over Simple Object Access Protocol (SOAP)
and HTTP(s) is a widely used, de-facto standard for messaging between
elements of provisioning systems.  Therefore the combination of SOAP
and HTTP(s) as a transport for SPPP is a natural fit.  The obvious
benefits include leveraging existing industry expertise, leveraging
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provisioning systems can be more easily integrated with this
protocol.  This document describes the specification for transporting
SPPP XML structures over SOAP and HTTP(s).



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	Title           : SPPP Over SOAP and HTTP
	Author(s)       : K. Cartwright
	Filename        : draft-ietf-drinks-sppp-over-soap-02.txt
	Pages           : 17
	Date            : 2011-02-18

The Session Peering Provisioning Protocol (SPPP) is an XML protocol
that exists to enable the provisioning of session establishment data
into Session Data Registries or SIP Service Provider data stores.
Sending XML data structures over Simple Object Access Protocol (SOAP)
and HTTP(s) is a widely used, de-facto standard for messaging between
elements of provisioning systems.  Therefore the combination of SOAP
and HTTP(s) as a transport for SPPP is a natural fit.  The obvious
benefits include leveraging existing industry expertise, leveraging
existing standards, and a higher probability that existing
provisioning systems can be more easily integrated with this
protocol.  This document describes the specification for transporting
SPPP XML structures over SOAP and HTTP(s).

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