Re: [Idr] RtgDir review for draft-ietf-idr-bgp-prefix-sid-04
"Stefano Previdi (sprevidi)" <sprevidi@cisco.com> Thu, 09 March 2017 11:05 UTC
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From: "Stefano Previdi (sprevidi)" <sprevidi@cisco.com>
To: Christian Hopps <chopps@chopps.org>
Thread-Topic: RtgDir review for draft-ietf-idr-bgp-prefix-sid-04
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Date: Thu, 09 Mar 2017 11:05:41 +0000
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Cc: "idr@ietf.org" <idr@ietf.org>, "draft-ietf-idr-bgp-prefix-sid.all@ietf.org" <draft-ietf-idr-bgp-prefix-sid.all@ietf.org>, Routing ADs <rtg-ads@tools.ietf.org>
Subject: Re: [Idr] RtgDir review for draft-ietf-idr-bgp-prefix-sid-04
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Hi Chris, many thanks for your review. I applied all your comments and suggestions. See below. > On Mar 7, 2017, at 3:20 PM, Christian Hopps <chopps@chopps.org> wrote: > > > I have been selected as the Routing Directorate reviewer for this draft. The > Routing Directorate seeks to review all routing or routing-related drafts as > they pass through IETF last call and IESG review, and sometimes on special > request. The purpose of the review is to provide assistance to the Routing ADs. > For more information about the Routing Directorate, please see > http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir > > Although these comments are primarily for the use of the Routing ADs, it would > be helpful if you could consider them along with any other IETF Last Call > comments that you receive, and strive to resolve them through discussion or by > updating the draft. > > Document: draft-ietf-idr-bgp-prefix-sid-04 > Reviewer: Christian Hopps > Review Date: 2017-03-04 > IETF LC End Date: Unknown > Intended Status: Standards Track > > Summary: > ======== > > [x] This document is basically ready for publication, but has nits that > should be considered prior to publication. > > Comments: > ========= > > Draft is quite readable. > > Major Issues: > ============= > > No major issues found. > > Minor Issues: > ============= > > References normative vs informative. I'm not sure why some of the informative > aren't normative. For example the S-bit indicates that the router is capable of > processing the SRH which is defined by [I-D.ietf-6man-segment-routing-header] so > shouldn't this be a Normative reference? among the comments I received, it appeared that the flag in the ipv6 sid tlv is not needed so I changed the tlv format and removed the reference (also, the srh draft is still not in last call so I don’t want to have an extra delay on this one). > Additionally the Originator SRGB TLV > references [I-D.ietf-ospf-segment-routing-extensions] for the meaning of > multiple ranges (represented by the presence of multiple TLVs). I also removed the reference. > Advisory only: There are many cases of reserved fields being "SHOULD be 0 on > transmit and MUST be ignored on receive." Is it better to use MUST instead of > SHOULD here as that allows for better future-proofing? With "MUST be 0" you > could then count on the values being zero for devices that do not support a > future extension where the value is not zero. Of course future extensions could > always use another method to determine if the reserved field holds newly valid > values so this isn't that big a deal. fixed. > > Nits: > ===== > > By far there are more references to "nodes" than to "routers", but I think they > all refer to the same thing -- maybe pick one name. > > Section 4 1st paragraph: remove first sentence starting "The value field..." > > 2nd paragraph: Add "The" to "Following TLVs are defined." > > Section 4.3 2nd paragraph of description of SRGB (1st paragraph on page.8) uses > an unexpanded acronym SRTE. all fixed. Thanks. s.
- [Idr] RtgDir review for draft-ietf-idr-bgp-prefix… Christian Hopps
- Re: [Idr] RtgDir review for draft-ietf-idr-bgp-pr… Stefano Previdi (sprevidi)