Re: [spring] New Version Notification for draft-dukes-spring-srv6-overhead-analysis-00.txt
Vasilenko Eduard <vasilenko.eduard@huawei.com> Tue, 30 June 2020 07:20 UTC
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From: Vasilenko Eduard <vasilenko.eduard@huawei.com>
To: Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org>, "Darren Dukes (ddukes)" <ddukes=40cisco.com@dmarc.ietf.org>, SPRING WG <spring@ietf.org>
Thread-Topic: New Version Notification for draft-dukes-spring-srv6-overhead-analysis-00.txt
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Date: Tue, 30 Jun 2020 07:20:40 +0000
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Subject: Re: [spring] New Version Notification for draft-dukes-spring-srv6-overhead-analysis-00.txt
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Hi Guru, In my humble opinion statement that something compressed is not a new data plane could be a little wrong. Genesis of the solution (all solutions comes from extension capabilities of IPv6) could only permit to tell that it is "the same protocol", or more precise "extension of the same protocol". But if new forwarding table (with shorter labels) should be created in PFE - then it is probably new data plane. It occupies separate resources in data plane. Eduard From: spring [mailto:spring-bounces@ietf.org] On Behalf Of Ron Bonica Sent: 30 июня 2020 г. 5:59 To: Darren Dukes (ddukes) <ddukes=40cisco.com@dmarc.ietf.org>; SPRING WG <spring@ietf.org> Subject: Re: [spring] New Version Notification for draft-dukes-spring-srv6-overhead-analysis-00.txt Darren, The 6man WG is responsible for exactly one data plane. That is, IPv6. IPv6 is extensible. So, new Routing headers and Options can be defined without creating a new data plane. That's the whole idea of IPv6 extensibility. Do you believe new data planes were created when the following were defined: - The NIMROD Routing header - They Type 2 Routing header - The RPL Routing header - The Segment Routing Header Also, the bullets under discussion have little to do with an "SRv6 Network Programming Overhead Analysis". If your real goal is holistic comparison of SRm6 and draft-filfilscheng-srv6-srh-comp-sl-eng, I would be glad to work with you on that. But a holistic comparison should probably have representation from both sides. Otherwise, it is mere marketing. Ron Juniper Business Use Only From: Darren Dukes (ddukes) <ddukes=40cisco.com@dmarc.ietf.org<mailto:ddukes=40cisco.com@dmarc.ietf.org>> Sent: Monday, June 29, 2020 9:33 PM To: Ron Bonica <rbonica@juniper.net<mailto:rbonica@juniper.net>>; SPRING WG <spring@ietf.org<mailto:spring@ietf.org>> Subject: Re: New Version Notification for draft-dukes-spring-srv6-overhead-analysis-00.txt [External Email. Be cautious of content] Hi Ron. Thanks for reading the document. You say about section 5: > Also, many of the things that you say in that > bullet list are blatantly false. For example, > SRm6 does not introduce a new data plane. > In is extremely orthodox IPv6. SRm6 uses IPv6 for transport and it introduces a dataplane that maps 32 or 16 bit identifiers to a behavior and IPv6 address. Every SRm6 node must use this new dataplane implementation. This is correct. I believe the bullets I listed are relevant when holistically considering the proposals. Sincerely, Darren ________________________________ From: Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org<mailto:rbonica=40juniper.net@dmarc.ietf.org>> Sent: Saturday, June 27, 2020 7:44:47 PM To: Darren Dukes (ddukes) <ddukes@cisco.com<mailto:ddukes@cisco.com>>; SPRING WG <spring@ietf.org<mailto:spring@ietf.org>> Subject: RE: New Version Notification for draft-dukes-spring-srv6-overhead-analysis-00.txt Darren, Your draft purports to be an "SRv6 Network Programming Overhead Analysis". As such, it should address overhead analysis and avoid: · Topics that are orthogonal to overhead analysis · The appearance of attempting to position one compression strategy over another for reasons other than overhead So, I recommend that you make the following changes to Section 5: · The sentence "The mapping proposal, [I-D.bonica-spring-sr-mapped-six], does not bring any compression benefit compared to SRv6-native compression methods [I-D.filsfilscheng-spring-srv6-srh-comp-sl-enc]" gives the appearance of author bias. Please replaces it with a neutral sentence like, "The two proposals [I-D.filsfilscheng-spring-srv6-srh-comp-sl-enc] [I-D.bonica-spring-sr-mapped-six] provide similar compression. · You say that " The SRm6 proposal does have several deficiencies however, including:".... None of these have anything to do with overhead analysis. They don't belong in this document. · Also, many of the things that you say in that bullet list are blatantly false. For example, SRm6 does not introduce a new data plane. In is extremely orthodox IPv6. Ron Juniper Business Use Only From: spring <spring-bounces@ietf.org<mailto:spring-bounces@ietf.org>> On Behalf Of Darren Dukes (ddukes) Sent: Saturday, June 27, 2020 1:22 AM To: SPRING WG <spring@ietf.org<mailto:spring@ietf.org>> Subject: [spring] Fw: New Version Notification for draft-dukes-spring-srv6-overhead-analysis-00.txt [External Email. Be cautious of content] Hello SPRING working group There has been lots of work done in SPRING to develop, combine and refine methods of reducing the overhead of the SRv6 SRH. We have some good submissions of requirements, framework analysis but no direct comparisons of different methods. This draft kicks off that conversation with a simple analysis comparing SRv6 native compression available via draft-filsfilscheng-spring-srv6-srh-comp-sl-enc vs the mapped SRm6 proposal draft-bonica-spring-sr-mapped-six. Thanks Darren ________________________________ From: internet-drafts@ietf.org<mailto:internet-drafts@ietf.org> <internet-drafts@ietf.org<mailto:internet-drafts@ietf.org>> Sent: Saturday, June 27, 2020 1:00 AM To: Darren Dukes (ddukes) <ddukes@cisco.com<mailto:ddukes@cisco.com>> Subject: New Version Notification for draft-dukes-spring-srv6-overhead-analysis-00.txt A new version of I-D, draft-dukes-spring-srv6-overhead-analysis-00.txt has been successfully submitted by Darren Dukes and posted to the IETF repository. Name: draft-dukes-spring-srv6-overhead-analysis Revision: 00 Title: SRv6 Network Programming Overhead Analysis Document date: 2020-06-27 Group: Individual Submission Pages: 9 URL: https://www.ietf.org/internet-drafts/draft-dukes-spring-srv6-overhead-analysis-00.txt<https://urldefense.com/v3/__https:/www.ietf.org/internet-drafts/draft-dukes-spring-srv6-overhead-analysis-00.txt__;!!NEt6yMaO-gk!XQ30Nxg22KtJi8ikwlkNqwrZPkBjF4IixztGJYkMVwpqxc8PEt_xKQSRjEj0Z_T4$> Status: https://datatracker.ietf.org/doc/draft-dukes-spring-srv6-overhead-analysis/<https://urldefense.com/v3/__https:/datatracker.ietf.org/doc/draft-dukes-spring-srv6-overhead-analysis/__;!!NEt6yMaO-gk!XQ30Nxg22KtJi8ikwlkNqwrZPkBjF4IixztGJYkMVwpqxc8PEt_xKQSRjOMg93gm$> Htmlized: https://tools.ietf.org/html/draft-dukes-spring-srv6-overhead-analysis-00<https://urldefense..com/v3/__https:/urldefense...com/v3/__https:/tools.ietf..org/html/draft-dukes-spring-srv6-overhead-analysis-00__;!!NEt6yMaO-gk!XQ30Nxg22KtJi8ikwlkNqwrZPkBjF4IixztGJYkMVwpqxc8PEt_xKQSRjH9AbgoR$__;!!NEt6yMaO-gk!QrTNpOov227mx78vk0QW9dUiezD-3jNSo7hrwU5wJzCSX8FX6z6L4BIiAYtsAIIb$> Htmlized: https://datatracker.ietf.org/doc/html/draft-dukes-spring-srv6-overhead-analysis<https://urldefense..com/v3/__https:/urldefense...com/v3/__https:/datatracker.ietf.org/doc/html/draft-dukes-spring-srv6-overhead-analysis__;!!NEt6yMaO-gk!XQ30Nxg22KtJi8ikwlkNqwrZPkBjF4IixztGJYkMVwpqxc8PEt_xKQSRjOjtZl8r$__;!!NEt6yMaO-gk!QrTNpOov227mx78vk0QW9dUiezD-3jNSo7hrwU5wJzCSX8FX6z6L4BIiAXN2pMyI$> Abstract: SRv6 network programming provides the framework for the best compression of an IPv6 header within an SR domain. This document provides the analysis to illustrate this fact. The IETF Secretariat
- [spring] Fw: New Version Notification for draft-d… Darren Dukes (ddukes)
- Re: [spring] New Version Notification for draft-d… Ron Bonica
- Re: [spring] New Version Notification for draft-d… Gyan Mishra
- Re: [spring] New Version Notification for draft-d… Gyan Mishra
- Re: [spring] New Version Notification for draft-d… James Guichard
- Re: [spring] New Version Notification for draft-d… Gyan Mishra
- Re: [spring] New Version Notification for draft-d… Darren Dukes (ddukes)
- Re: [spring] New Version Notification for draft-d… Ron Bonica
- Re: [spring] New Version Notification for draft-d… Vasilenko Eduard
- Re: [spring] New Version Notification for draft-d… Ron Bonica