Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhcpv6-slaac-problem
Brian E Carpenter <brian.e.carpenter@gmail.com> Tue, 05 November 2013 15:35 UTC
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Date: Wed, 06 Nov 2013 04:35:01 +1300
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: Mikael Abrahamsson <swmike@swm.pp.se>
References: <201310211245.r9LCj0B29668@ftpeng-update.cisco.com> <alpine.DEB.2.02.1311050427070.26054@uplift.swm.pp.se> <CAJE_bqcsqpeERWmgaC5xW9J_zpBJYCGeVzQmF7y2Ki3jG+AVag@mail.gmail.com> <alpine.DEB.2.02.1311051251410.26054@uplift.swm.pp.se> <15A60E31-DAD1-4E72-8E27-52868FAF9203@cisco.com> <alpine.DEB.2.02.1311051519120.26054@uplift.swm.pp.se>
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Cc: Ole Troan <ot@cisco.com>, "v6ops@ietf.org" <v6ops@ietf.org>, 神明達哉 <jinmei@wide.ad.jp>, "draft-liu-bonica-v6ops-dhcpv6-slaac-problem@tools.ietf.org" <draft-liu-bonica-v6ops-dhcpv6-slaac-problem@tools.ietf.org>
Subject: Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhcpv6-slaac-problem
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On 06/11/2013 03:21, Mikael Abrahamsson wrote: > On Tue, 5 Nov 2013, Ole Troan wrote: > >>> Yes, I know this is about address configuration. I am still curious >>> if all OSes keep the /64 interface route when A changes to 0 (or is 0 >>> to begin with). If you feel this is out of scope that's fine, then my >>> curiosity will stay unanswered. >> >> in the nit-picking department, wouldn't that really be the L flag? > > Well, my question was for L=1, A=1, A=1 -> A=0, and A=0 cases. In case > the implementor got the addressing generation mixed up with the route > stuff. > > Are there test suites for all this stuff that implementors can use? What > should come out of this eventually is a document where all > states/transitions should be tested and the document should say exactly > what is the expected behaviour. >From yesterday's discussion, the outcomes seem a little more complicated than that. 1. I think the problem statement as it stands (with the English cleaned up) is a very useful document with two audiences: a) the IETF, including 6man, because it points to ambiguity in our specs; b) the operator community, because it warns of some very specific operational (mis)behaviours with currently deployed code. Because of b) I think it needs to become an RFC quite soon. 2. Then (probably as a separate document) we need an analysis of which problems are a result of a) implementation errors, which the IETF can document but not fix; b) differing interpretations of MAYs and SHOULDs (Fred's point), where the IETF could consider BCP guidance to implementors; c) errors or ambiguities in the standards, which 6man should fix. Brian
- [v6ops] new draft: draft-liu-bonica-v6ops-dhcpv6-… fred
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… Mikael Abrahamsson
- [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//RE: n… Liubing (Leo)
- [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//RE: n… Liubing (Leo)
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mikael Abrahamsson
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mikael Abrahamsson
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mikael Abrahamsson
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Ole Troan (otroan)
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Nick Hilliard
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Wuyts Carl
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… sthaug
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… sthaug
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Wuyts Carl
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Liubing (Leo)
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Nick Hilliard
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… 神明達哉
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Lorenzo Colitti
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mikael Abrahamsson
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… 神明達哉
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Nick Hilliard
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Victor Kuarsingh
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mikael Abrahamsson
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Lorenzo Colitti
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Sander Steffann
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Tore Anderson
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Victor Kuarsingh
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Arturo Servin
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Victor Kuarsingh
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Ted Lemon
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Xing Li
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Xing Li
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Gert Doering
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Lorenzo Colitti
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Xing Li
- [v6ops] Comments on draft-sun-v6ops-openv6-addres… meng.wei2
- Re: [v6ops] Comments on draft-sun-v6ops-openv6-ad… Qiong
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Alexandru Petrescu
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… james woodyatt
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Gert Doering
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Ted Lemon
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… james woodyatt
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Lorenzo Colitti
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Andrew Yourtchenko
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Tim Chown
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Tim Chown
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Ted Lemon
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Lorenzo Colitti
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Lorenzo Colitti
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Alexandru Petrescu
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Andrew Yourtchenko
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Andrew Yourtchenko
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Weil, Jason
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Ted Lemon
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Andrew Yourtchenko
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Lorenzo Colitti
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Weil, Jason
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… 神明達哉
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Andrew Yourtchenko
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Brian Haberman
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Andrew Yourtchenko
- [v6ops] Link layer lossage [DHCPv6/SLAAC Make Hos… Brian E Carpenter
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Nick Hilliard
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Nick Hilliard
- Re: [v6ops] Link layer lossage [DHCPv6/SLAAC Make… Nick Hilliard
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Andrew Yourtchenko
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Nick Hilliard
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Andrew Yourtchenko
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Nick Hilliard
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Ray Hunter
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Lorenzo Colitti
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Weil, Jason
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Nick Hilliard
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Mark ZZZ Smith
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Nick Hilliard
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Andrew Yourtchenko
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Ted Lemon
- Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//R… Ted Lemon
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… Mikael Abrahamsson
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… 神明達哉
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… Mikael Abrahamsson
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… Ole Troan
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… Mikael Abrahamsson
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… Brian E Carpenter
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… Liubing (Leo)
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… Liubing (Leo)
- Re: [v6ops] new draft: draft-liu-bonica-v6ops-dhc… 神明達哉