Re: New Version Notification for draft-bonica-6man-comp-rtg-hdr-11.txt
Gyan Mishra <hayabusagsm@gmail.com> Mon, 17 February 2020 15:32 UTC
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From: Gyan Mishra <hayabusagsm@gmail.com>
Date: Mon, 17 Feb 2020 10:32:25 -0500
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Subject: Re: New Version Notification for draft-bonica-6man-comp-rtg-hdr-11.txt
To: Chris Bowers <chrisbowers.ietf@gmail.com>
Cc: 6man WG <ipv6@ietf.org>, Julian Lucek <jlucek=40juniper.net@dmarc.ietf.org>, Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org>
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+1 I agree it makes sense for the WG to adopt the draft. It provides a solid solution to issues with MSD(maximum sid depth) that exist and plagues both SR-MPLS and SRv6. One of major issues with SR-MPLS is that as long as cSPF constraint based IGP path is used you don’t run into MSD issues. However, if SR-TE is employed with ERO-explicit route object you run into trouble with MSD and the source routed path results in an PCALC error - and the path cannot be instantiated. With SRv6 the problem with MSD is exacerbated since SRv6 can natively source route a TE ERO path using SRH routing header type 4. So all paths instantiated can result in SID depth issues. For both existing SR options you almost have to use a centralized PCE controller based architecture - as with distributed and hybrid scenarios can be problematic with static ERO instantiation. Static ERO is the main goal of Sping Segment Routing and not a dynamic cSPF ERO. This draft also provides an alternative source routing option to use case for RH0 which has security vulnerabilities. Verizon as Tier 1 SP is very interested in testing CRH as it addresses major pitfalls with Segment Routing. Gyan On Mon, Feb 17, 2020 at 9:14 AM Chris Bowers <chrisbowers.ietf@gmail.com> wrote: > +1 I think it makes sense for the WG to adopt this draft. > > Chris > > On Mon, Feb 17, 2020 at 5:58 AM Julian Lucek <jlucek= > 40juniper.net@dmarc.ietf.org> wrote: > >> +1 >> >> >> >> 6man should adopt this draft because: >> >> >> >> (i) It has been around for a year >> >> (ii) It has been implemented on experimental code versions: LINUX Server >> (software-based forwarding) and MX series router (ASIC-based forwarding) >> >> (iii) It has had some experimental deployments, as well as Liquid, in >> some other, as yet unnamed, networks >> >> >> >> Julian >> >> >> >> *From: *ipv6 <ipv6-bounces@ietf.org> on behalf of Andrew Alston < >> Andrew.Alston@liquidtelecom.com> >> *Date: *Monday, 17 February 2020 at 11:45 >> *To: *Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org>, 6man WG < >> ipv6@ietf.org> >> *Subject: *RE: New Version Notification for >> draft-bonica-6man-comp-rtg-hdr-11.txt >> >> >> >> As a co-author of this document, I fully support this change. We have >> stated many times that we have a need for this technology – and in fact >> have done significant work internally to use this technology – inclusive of >> tests to steer traffic between asn’s and other things. >> >> >> >> Thanks Ron for the work on this. >> >> >> >> Andrew >> >> >> >> >> >> *From:* ipv6 <ipv6-bounces@ietf.org> *On Behalf Of *Ron Bonica >> *Sent:* Monday, 17 February 2020 03:56 >> *To:* 6man WG <ipv6@ietf.org> >> *Subject:* FW: New Version Notification for >> draft-bonica-6man-comp-rtg-hdr-11.txt >> >> >> >> Folks, >> >> Over the last several weeks, customers who have no interest in Segment >> Routing have expressed interest in the CRH. So, we have updated the CRH >> draft, removing all references to Segment Routing and letting it stand >> alone as an IPv6 Routing header. >> >> While Segment Routing may one day be a user of the CRH, it will not be >> the only user. >> >> Please review this document as a stand-alone piece of work. >> >> Ron >> >> >> >> Juniper Business Use Only >> >> -----Original Message----- >> From: internet-drafts@ietf.org <internet-drafts@ietf.org> >> Sent: Sunday, February 16, 2020 7:46 PM >> To: Ron Bonica <rbonica@juniper.net>; Ning So <ning.so@ril.com>; Andrew >> Alston <andrew.alston@liquidtelecom.com>; Ning So <Ning.So@ril.com>; >> Tomonobu Niwa <to-niwa@kddi.com>; Andrew Alston < >> Andrew.Alston@liquidtelecom.com>; Yuji Kamite <y.kamite@ntt.com> >> Subject: New Version Notification for >> draft-bonica-6man-comp-rtg-hdr-11.txt >> >> >> A new version of I-D, draft-bonica-6man-comp-rtg-hdr-11.txt >> has been successfully submitted by Ron Bonica and posted to the IETF >> repository. >> >> Name: draft-bonica-6man-comp-rtg-hdr >> Revision: 11 >> Title: The IPv6 Compressed Routing Header (CRH) >> Document date: 2020-02-16 >> Group: Individual Submission >> Pages: 16 >> URL https://tools.ietf.org/html/draft-bonica-6man-comp-rtg-hdr-11 >> <https://urldefense.com/v3/__https:/tools.ietf.org/html/draft-bonica-6man-comp-rtg-hdr-11__;!!NEt6yMaO-gk!XkLwpNbt_lW0zdMC3zBSxB88VXWxHgJ8TnckKpe9_FSeDWas7BKUD1BH05HFYzWY$> >> Status: https://datatracker.ietf.org/doc/draft-bonica-6man-comp-rtg-hdr/ >> <https://urldefense.com/v3/__https:/datatracker.ietf.org/doc/draft-bonica-6man-comp-rtg-hdr/__;!!NEt6yMaO-gk!XkLwpNbt_lW0zdMC3zBSxB88VXWxHgJ8TnckKpe9_FSeDWas7BKUD1BH0w3nJEqm$> >> Htmlized: https://tools.ietf.org/html/draft-bonica-6man-comp-rtg-hdr-11 >> <https://urldefense.com/v3/__https:/tools.ietf.org/html/draft-bonica-6man-comp-rtg-hdr-11__;!!NEt6yMaO-gk!XkLwpNbt_lW0zdMC3zBSxB88VXWxHgJ8TnckKpe9_FSeDWas7BKUD1BH05HFYzWY$> >> Htmlized: >> https://datatracker.ietf.org/doc/html/draft-bonica-6man-comp-rtg-hdr >> <https://urldefense.com/v3/__https:/datatracker.ietf.org/doc/html/draft-bonica-6man-comp-rtg-hdr__;!!NEt6yMaO-gk!XkLwpNbt_lW0zdMC3zBSxB88VXWxHgJ8TnckKpe9_FSeDWas7BKUD1BH0_p5lJrd$> >> Diff: >> Abstract: >> This document defines two new Routing header types. Collectively, >> they are called the Compressed Routing Headers (CRH). Individually, >> they are called CRH-16 and CRH-32. >> >> >> >> >> 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. >> >> The IETF Secretariat >> -------------------------------------------------------------------- >> IETF IPv6 working group mailing list >> ipv6@ietf.org >> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 >> <https://urldefense.com/v3/__https:/www.ietf.org/mailman/listinfo/ipv6__;!!NEt6yMaO-gk!XkLwpNbt_lW0zdMC3zBSxB88VXWxHgJ8TnckKpe9_FSeDWas7BKUD1BH01zTmF8y$> >> -------------------------------------------------------------------- >> -------------------------------------------------------------------- >> IETF IPv6 working group mailing list >> ipv6@ietf.org >> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 >> -------------------------------------------------------------------- >> > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > ipv6@ietf.org > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- > -- Gyan Mishra Network Engineering & Technology Verizon Silver Spring, MD 20904 Phone: 301 502-1347 Email: gyan.s.mishra@verizon.com
- FW: New Version Notification for draft-bonica-6ma… Ron Bonica
- RE: New Version Notification for draft-bonica-6ma… Andrew Alston
- Re: New Version Notification for draft-bonica-6ma… Julian Lucek
- Re: FW: New Version Notification for draft-bonica… Xing Li
- Re: FW: New Version Notification for draft-bonica… Melchior Aelmans
- Re: New Version Notification for draft-bonica-6ma… Chris Bowers
- Re: New Version Notification for draft-bonica-6ma… Gyan Mishra
- Re: New Version Notification for draft-bonica-6ma… Srihari Sangli
- Re: New Version Notification for draft-bonica-6ma… John Scudder
- Re: New Version Notification for draft-bonica-6ma… Krzysztof Grzegorz Szarkowicz
- Re: New Version Notification for draft-bonica-6ma… Sander Steffann
- Re: New Version Notification for draft-bonica-6ma… Tony Przygienda
- RE: New Version Notification for draft-bonica-6ma… Bilal Shahid
- RE: New Version Notification for draft-bonica-6ma… Jeffrey (Zhaohui) Zhang
- Re: FW: New Version Notification for draft-bonica… Tom Herbert
- Re: FW: New Version Notification for draft-bonica… Jeff Tantsura
- Re: FW: New Version Notification for draft-bonica… Fernando Gont
- Re: New Version Notification for draft-bonica-6ma… Jordan Head
- RE: FW: New Version Notification for draft-bonica… Ron Bonica