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Subject: [Sidrops] sidrops - New Meeting Session Request for IETF 107
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A new meeting session request has just been submitted by Nathalie Trenaman, a Secretary of the sidrops working group.


---------------------------------------------------------
Working Group Name: SIDR Operations
Area Name: Operations and Management Area
Session Requester: Nathalie Trenaman

Number of Sessions: 1
Length of Session(s):  1.5 Hours
Number of Attendees: 70
Conflicts to Avoid: 
 Chair Conflict:  6man idr grow lsvr rtgwg lsr mpls pim spring v6ops




People who must be present:
  Keyur Patel
  Chris Morrow
  Warren &quot;Ace&quot; Kumari

Resources Requested:

Special Requests:
  
---------------------------------------------------------


From nobody Mon Jan  6 16:52:35 2020
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Subject: [Sidrops] I-D Action: draft-ietf-sidrops-signed-tal-04.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the SIDR Operations WG of the IETF.

        Title           : RPKI Signed Object for Trust Anchor Keys
        Authors         : Carlos Martinez
                          George G. Michaelson
                          Tim Bruijnzeels
                          Rob Austein
	Filename        : draft-ietf-sidrops-signed-tal-04.txt
	Pages           : 16
	Date            : 2020-01-06

Abstract:
   Trust Anchor Locators (TALs) [I-D.ietf-sidrops-https-tal] are used by
   Relying Parties in the RPKI to locate and validate Trust Anchor
   certificates used in RPKI validation.  This document defines an RPKI
   signed object for Trust Anchor Keys (TAK), that can be used by Trust
   Anchors to signal their set of current keys and the location(s) of
   the accompanying CA certiifcates to Relying Parties, as well as
   changes to this set in the form of revoked keys and new keys, in
   order to support both planned and unplanned key rolls without
   impacting RPKI validation.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-sidrops-signed-tal/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-sidrops-signed-tal-04
https://datatracker.ietf.org/doc/html/draft-ietf-sidrops-signed-tal-04

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-sidrops-signed-tal-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 Thu Jan  9 03:46:14 2020
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Date: Thu, 9 Jan 2020 12:46:09 +0100
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Subject: [Sidrops] Clarification of draft-ietf-sidrops-aspa-verification-03
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Hi all,

Reading through draft-ietf-sidrops-aspa-verification-03 left me with
some questions. I have not followed the entire evolution of this
document, so apologies if I nag about things that have been discussed
before.  Especially with regards to the actual validation steps, I (or
rather we, there has been a lot of discussion in our office) think we
might be missing or misinterpreting some parts, and I'd like to get on
the same page before diving into details.

With regards to the upstream/downstream and allowing one Invalid to
occur in the 'chain' so to say, we picture it as follows:


                             +-----+
                    +--------> AS2 +--------+
                    |        +-----+        |
                 +-----+                 +--v--+
        +------->+ AS1 |                 | AS3 +--------+
        |        +-----+                 +--^--+        |
     +-----+                                         +--v--+
     | AS0 |                                         | AS4 |
     +-----+                                         +-----+
                                                        |
                                                     +--v--+
                                                     | AS5 |
                                                     +-----+


Say, we are AS5, receiving an announcement with AS_PATH 4 3 2 1 0 , thus
AS0 being the originating AS. The upstream part is AS0 -> AS1 -> AS2,
the downstream part is AS2 -> AS3 -> AS4 . (Correct?)

Then looking at the diagrams in the draft, there is an I++ when this
allowed Invalid is observed. Does that mean that the relation between
the ASes just after the upstream/downstream point (thus, whether AS2 is
a provider of AS3) is not checked? If so, is that on purpose, and how
does it not break the validation chain?


Hopefully someone can clarify whether we are on the right track of
understanding these concepts.


Thanks,
 luuk


From nobody Tue Jan 14 07:04:54 2020
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From: Alexander Azimov <a.e.azimov@gmail.com>
Date: Tue, 14 Jan 2020 18:04:34 +0300
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To: Luuk Hendriks <luuk@nlnetlabs.nl>
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Subject: Re: [Sidrops] Clarification of draft-ietf-sidrops-aspa-verification-03
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--0000000000009ed3be059c1ae97c
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Hi Luuk,

In the terms of the draft AS0->AS1->AS2 is an upstream path, while AS3->AS4
is a downstream path.
The invalid state of (AS2, AS3) pair triggers the change of the
'direction', but the following downstream path verification procedure is
not applicable to (AS3, AS2) since it can be a peering link, that's why I++
is used.

=D1=87=D1=82, 9 =D1=8F=D0=BD=D0=B2. 2020 =D0=B3. =D0=B2 14:46, Luuk Hendrik=
s <luuk@nlnetlabs.nl>:

> Hi all,
>
> Reading through draft-ietf-sidrops-aspa-verification-03 left me with
> some questions. I have not followed the entire evolution of this
> document, so apologies if I nag about things that have been discussed
> before.  Especially with regards to the actual validation steps, I (or
> rather we, there has been a lot of discussion in our office) think we
> might be missing or misinterpreting some parts, and I'd like to get on
> the same page before diving into details.
>
> With regards to the upstream/downstream and allowing one Invalid to
> occur in the 'chain' so to say, we picture it as follows:
>
>
>                              +-----+
>                     +--------> AS2 +--------+
>                     |        +-----+        |
>                  +-----+                 +--v--+
>         +------->+ AS1 |                 | AS3 +--------+
>         |        +-----+                 +--^--+        |
>      +-----+                                         +--v--+
>      | AS0 |                                         | AS4 |
>      +-----+                                         +-----+
>                                                         |
>                                                      +--v--+
>                                                      | AS5 |
>                                                      +-----+
>
>
> Say, we are AS5, receiving an announcement with AS_PATH 4 3 2 1 0 , thus
> AS0 being the originating AS. The upstream part is AS0 -> AS1 -> AS2,
> the downstream part is AS2 -> AS3 -> AS4 . (Correct?)
>
> Then looking at the diagrams in the draft, there is an I++ when this
> allowed Invalid is observed. Does that mean that the relation between
> the ASes just after the upstream/downstream point (thus, whether AS2 is
> a provider of AS3) is not checked? If so, is that on purpose, and how
> does it not break the validation chain?
>
>
> Hopefully someone can clarify whether we are on the right track of
> understanding these concepts.
>
>
> Thanks,
>  luuk
>
> _______________________________________________
> Sidrops mailing list
> Sidrops@ietf.org
> https://www.ietf.org/mailman/listinfo/sidrops
>


--=20
Best regards,
Alexander Azimov

--0000000000009ed3be059c1ae97c
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<div dir=3D"ltr">Hi Luuk,<div><br></div><div>In the terms of the draft AS0-=
&gt;AS1-&gt;AS2 is an upstream path, while AS3-&gt;AS4 is a downstream path=
.<br></div><div>The invalid state of (AS2, AS3) pair triggers the change of=
 the &#39;direction&#39;, but the following downstream path verification pr=
ocedure is not applicable to (AS3, AS2) since it can be a peering link, tha=
t&#39;s why I++ is used.</div></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">=D1=87=D1=82, 9 =D1=8F=D0=BD=D0=B2. 2020 =D0=
=B3. =D0=B2 14:46, Luuk Hendriks &lt;<a href=3D"mailto:luuk@nlnetlabs.nl">l=
uuk@nlnetlabs.nl</a>&gt;:<br></div><blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding=
-left:1ex">Hi all,<br>
<br>
Reading through draft-ietf-sidrops-aspa-verification-03 left me with<br>
some questions. I have not followed the entire evolution of this<br>
document, so apologies if I nag about things that have been discussed<br>
before.=C2=A0 Especially with regards to the actual validation steps, I (or=
<br>
rather we, there has been a lot of discussion in our office) think we<br>
might be missing or misinterpreting some parts, and I&#39;d like to get on<=
br>
the same page before diving into details.<br>
<br>
With regards to the upstream/downstream and allowing one Invalid to<br>
occur in the &#39;chain&#39; so to say, we picture it as follows:<br>
<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0+-----+<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 +----=
----&gt; AS2 +--------+<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 |=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 +-----+=C2=A0 =C2=A0 =C2=A0 =C2=A0 |<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0+-----+=C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0+--v--+<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 +-------&gt;+ AS1 |=C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0| AS3 +--------+<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 |=C2=A0 =C2=A0 =C2=A0 =C2=A0 +-----+=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0+--^--+=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 |<br>
=C2=A0 =C2=A0 =C2=A0+-----+=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0+--v--+<br>
=C2=A0 =C2=A0 =C2=A0| AS0 |=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0| AS4 |<br>
=C2=A0 =C2=A0 =C2=A0+-----+=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0+-----+<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 |<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0+--v--+<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0| AS5 |<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0+-----+<br>
<br>
<br>
Say, we are AS5, receiving an announcement with AS_PATH 4 3 2 1 0 , thus<br=
>
AS0 being the originating AS. The upstream part is AS0 -&gt; AS1 -&gt; AS2,=
<br>
the downstream part is AS2 -&gt; AS3 -&gt; AS4 . (Correct?)<br>
<br>
Then looking at the diagrams in the draft, there is an I++ when this<br>
allowed Invalid is observed. Does that mean that the relation between<br>
the ASes just after the upstream/downstream point (thus, whether AS2 is<br>
a provider of AS3) is not checked? If so, is that on purpose, and how<br>
does it not break the validation chain?<br>
<br>
<br>
Hopefully someone can clarify whether we are on the right track of<br>
understanding these concepts.<br>
<br>
<br>
Thanks,<br>
=C2=A0luuk<br>
<br>
_______________________________________________<br>
Sidrops mailing list<br>
<a href=3D"mailto:Sidrops@ietf.org" target=3D"_blank">Sidrops@ietf.org</a><=
br>
<a href=3D"https://www.ietf.org/mailman/listinfo/sidrops" rel=3D"noreferrer=
" target=3D"_blank">https://www.ietf.org/mailman/listinfo/sidrops</a><br>
</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"=
 class=3D"gmail_signature"><div dir=3D"ltr">Best regards,<div>Alexander Azi=
mov</div></div></div>

--0000000000009ed3be059c1ae97c--


From nobody Wed Jan 15 19:29:05 2020
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Subject: [Sidrops] I-D Action: draft-ietf-sidrops-signed-tal-05.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the SIDR Operations WG of the IETF.

        Title           : RPKI Signed Object for Trust Anchor Keys
        Authors         : Carlos Martinez
                          George G. Michaelson
                          Tom Harrison
                          Tim Bruijnzeels
                          Rob Austein
	Filename        : draft-ietf-sidrops-signed-tal-05.txt
	Pages           : 16
	Date            : 2020-01-15

Abstract:
   A Trust Anchor Locator (TAL) [I-D.ietf-sidrops-https-tal] is used by
   Relying Parties (RP) in the RPKI to locate and validate a Trust
   Anchor (TA) CA certificate used in RPKI validation.  This document
   defines an RPKI signed object for a set of Trust Anchor Keys (TAK),
   that can be used by TA creators and publishers to signal their set of
   current keys and the location(s) of the accompanying CA certificates
   to RPs, as well as changes to this set in the form of revoked keys
   and new keys, in order to support both planned and unplanned key
   rolls without impacting RPKI validation.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-sidrops-signed-tal/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-sidrops-signed-tal-05
https://datatracker.ietf.org/doc/html/draft-ietf-sidrops-signed-tal-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-sidrops-signed-tal-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/


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Date: Tue, 21 Jan 2020 09:05:53 +0100
From: Luuk Hendriks <luuk@nlnetlabs.nl>
To: Alexander Azimov <a.e.azimov@gmail.com>
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Subject: Re: [Sidrops] Clarification of draft-ietf-sidrops-aspa-verification-03
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Hi Alexander, all,

On Tue 14 Jan 2020, 18:04, Alexander Azimov wrote:
> In the terms of the draft AS0->AS1->AS2 is an upstream path, while AS3->AS4
> is a downstream path.
> The invalid state of (AS2, AS3) pair triggers the change of the
> 'direction', but the following downstream path verification procedure is
> not applicable to (AS3, AS2) since it can be a peering link, that's why I++
> is used.

Thanks for clarifying, it seems that we did interpret those parts of the draft
correctly then. But we are still wondering whether skipping the check after the
direction change is introducing a problem. (Again, this might be us not having
much operational experience with actual routing, so please bear with me..)


What if a bad actor, AS9, inserts itself in the path like this:

                             +-----+
                    +--------> AS2 +--------+
                    |        +--+--+        |
                 +-----+        |        +--v--+
        +------->+ AS1 |        | +----->| AS3 +--------+
        |        +-----+        | |      +--^--+        |
     +-----+                  +-v-+-+                +--v--+
     | AS0 |                  | AS9 |                | AS4 |
     +-----+                  +-----+                +-----+
                                                        |
                                                     +--v--+
                                                     | AS5 |
                                                     +-----+

No valid (AS2, AS9) ASPA is found, so we assume it is a peering link (the
I++). Direction is changed, so continuing, (AS3, AS9) and (AS4, AS3) are
checked. Now, if and only if any of these yield Invalid, the final result will
be Invalid. Otherwise, the result will be Valid or Unknown, even though there is
a malicious AS in the path. In other words, is the draft in its current revision
beneficial without (close to) 100% adoption?
Or, is this situation not considered a problem in reality due to the longer
AS_PATH and thus a lower preference anyway?


Thanks,
 luuk


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From: Christopher Morrow <christopher.morrow@gmail.com>
Date: Thu, 30 Jan 2020 13:26:18 -0500
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To: Zhuangshunwan <zhuangshunwan@huawei.com>
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Subject: Re: [Sidrops] WGLC draft-ietf-sidrops-rp-06 ends 12/17/2019
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Howdy! time flew, but this LC did not :(
I believe we believe this should move forward, so let's get a write up
off to the IESG! :)

-chris

On Thu, Dec 19, 2019 at 7:47 PM Zhuangshunwan <zhuangshunwan@huawei.com> wr=
ote:
>
> I support publication.
>
> Thanks,
> Shunwan
>
>
> -----Original Message-----
> From: Sidrops [mailto:sidrops-bounces@ietf.org] On Behalf Of Christopher =
Morrow
> Sent: Wednesday, December 04, 2019 9:13 AM
> To: SIDROps Chairs <sidrops-chairs@ietf.org>; SIDR Operations WG <sidrops=
@ietf.org>; sidrops-ads@ietf.org
> Subject: [Sidrops] WGLC draft-ietf-sidrops-rp-06 ends 12/17/2019
>
> howdy folks!
> The authors of  draft-ietf-sidrops-rp have made some changes related to p=
revious comments/questions/etc and would like to move the document along pr=
ovided issues are properly addressed. Let's take a 2wk period to read and r=
eview, comment and raise concerns if there are any remaining.
>
> Thanks!
> -chris
> co-chairperson
>
> _______________________________________________
> Sidrops mailing list
> Sidrops@ietf.org
> https://www.ietf.org/mailman/listinfo/sidrops

