Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator Id)
Tony Li <tony.li@tony.li> Fri, 14 May 2010 02:04 UTC
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Date: Thu, 13 May 2010 19:03:29 -0700
From: Tony Li <tony.li@tony.li>
To: 李振强 <lizhenqiang@chinamobile.com>, "Les Ginsberg (ginsberg)" <ginsberg@cisco.com>, Dave Katz <dkatz@juniper.net>
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Cc: "bruno.decraene@orange-ftgroup.co" <bruno.decraene@orange-ftgroup.com>, "isis-wg@ietf.org" <isis-wg@ietf.org>, "weifang@chinamobile.com" <weifang@chinamobile.com>
Subject: Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator Id)
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Still stuck: https://datatracker.ietf.org/idst/status.cgi?passed_filename=draft-ietf-isis -purge-tlv-00 Our Beloved Chair is responsible for informing the secretariat that this was accepted by the group. Tony On 5/13/10 6:49 PM, "李振强" <lizhenqiang@chinamobile.com> wrote: > Yes, we accepted this as a WG draft. I submitted the 00 version 50 days ago. > Due to the initial version checking, I did not get any further information > till now. > Anybody know who is responsible for the initial version checking? Where should > I go to check the and move the status forward? Thanks. > > Best Regards, > > > > > Zhenqiang Li > 13911635816 > Department of Network Technology > China Mobile Research Institute > 2010-05-14 > > > > 发件人: Les Ginsberg (ginsberg) > 发送时间: 2010-05-14 09:23:45 > 收件人: Tony Li; Dave Katz > 抄送: lizhenqiang@chinamobile.com; Jie Dong; bruno.decraene@orange-ftgroup.co; > isis-wg@ietf.org; weifang@chinamobile.com > 主题: RE: [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator Id) > > Folks - > > Any reason why > > draft-ietf-isis-purge-tlv-01 > > (or at least the 00 version allegedly submitted some time back) is not > posted? We did accept this as a WG doc did we not?? > > Les > >> -----Original Message----- >> From: Tony Li [mailto:tony.li@tony.li] >> Sent: Friday, April 23, 2010 4:50 PM >> To: Dave Katz; Les Ginsberg (ginsberg) >> Cc: lizhenqiang@chinamobile.com; Jie Dong; bruno.decraene@orange- >> ftgroup.co; isis-wg@ietf.org; weifang@chinamobile.com >> Subject: Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator Id) >> >> >> So I have aversion (perhaps irrational ;-) to overloading semantics >> into the length field. So I've actually added the flag. >> >> I've also addressed a number of comments, both on list and privately, >> so this is worth a full read. >> >> Comments? >> >> Tony >> >> >> >> On 4/23/10 10:57 AM, "Dave Katz" <dkatz@juniper.net > wrote: >> >>> This seems to make sense so long as the absence of the neighbor > field >>> unambiguously says that the inserting system is also the originator >> of >>> the purge (otherwise you need a flag.) >>> >>> --Dave >>> >>> On Apr 22, 2010, at 2:39 PM, Les Ginsberg (ginsberg) wrote: >>> >>>> One other suggestion. >>>> >>>> The usefulness of the extensions defined in this draft depend upon >>>> the extent to which they are deployed - which no doubt will take >>>> considerable time under the best of circumstances. It seems that we >>>> could enhance the usefulness of the extensions even in the case of >>>> partial deployment by allowing an IS which supports these > extensions >>>> to add the new TLV to purges it receives that do not include the > new >> TLV. >>>> It could include both its own system ID (to identify who added the >>>> TLV) and the system ID of the neighbor from whom the empty purge > was >>>> received. While this is not guaranteed to pinpoint the source of > the >>>> purge, it would at least provide a pointer to the portion of the >>>> network in which the purge originated. >>>> >>>> So the TLV would then look like: >>>> >>>> TLV - code to be assigned by IANA >>>> Length - Either (1 * systemid length) or (2 *system ID length) > Value >>>> - System ID of the system inserting the TLV (Required) System ID of >>>> the system from which the purge was received (Optional) >>>> >>>> ??? >>>> >>>> Les >>>> >>>>> -----Original Message----- >>>>> From: isis-wg-bounces@ietf.org [mailto:isis-wg-bounces@ietf.org] > On >>>>> Behalf Of Tony Li >>>>> Sent: Wednesday, April 21, 2010 11:39 PM >>>>> To: Les Ginsberg (ginsberg); lizhenqiang@chinamobile.com; Jie > Dong; >>>>> bruno.decraene@orange-ftgroup.co; isis-wg@ietf.org; >>>>> weifang@chinamobile.com >>>>> Subject: Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator Id) >>>>> >>>>> >>>>> Hi Les, >>>>> >>>>>> But hopefully we can comment on 01 anyway?? :-) >>>>> >>>>> Of course! ;-) >>>>> >>>>>> I don't see the need for Section 3. It was interesting discussion >>>>>> material while we were debating the merits of making this a WG >>>>> document, >>>>>> but I think it has drawbacks when it is included in what is >>>>>> intended >>>>> to >>>>>> become a standards document. >>>>> >>>>> Well, the point was to help document some of the field failures >> that >>>>> we've seen and motivate the changes. >>>>> >>>>>> In the second set of three points, only the first (which > documents >>>>> the >>>>>> lamentable purge on checksum error experience) has value. The > last >>>>> two >>>>>> are anecdotal and could be translated as "there are some weird >> bugs >>>>> out >>>>>> there". Interesting - but unnecessary. The first point could be >>>>>> mentioned in the introduction as part of the justification for > the >>>>>> protocol extensions - but I think even that is unnecessary. >>>>> >>>>> True, but without the background, these changes would seem like >>>>> something straight out of the Oort cloud. >>>>> >>>>> Compromise: condense the text and move to the introduction? >>>>> >>>>> >>>>>> In Section 5 I would like to see language which says "hostname > TLV >>>>>> SHOULD only be used in addition to the system ID TLV". As every > IS >>>>> MUST >>>>>> have a unique systemID but hostnames are optional I would prefer >>>> that >>>>> if >>>>>> an implementation chooses to include the extra info in the purge >>>> that >>>>>> the system ID ALWAYS be there. (This is unenforceable of course) >>>>> >>>>> >>>>> Works for me. Other folks? >>>>> >>>>> >>>>>> I think there needs to be language which makes clear that the >>>> absence >>>>> or >>>>>> presence of this additional information has no impact on the >>>>> acceptance >>>>>> of a purged LSP as valid i.e. no changes to the operation of the >>>>> Update >>>>>> process are introduced by this draft. >>>>> >>>>> >>>>> Can't hurt. I'm certain that this will break some conformance >>>>> testers regardless. >>>>> >>>>> Any other comments? >>>>> >>>>> Tony >>>>> >>>>> >>>>> _______________________________________________ >>>>> Isis-wg mailing list >>>>> Isis-wg@ietf.org >>>>> https://www.ietf.org/mailman/listinfo/isis-wg >>>> _______________________________________________ >>>> Isis-wg mailing list >>>> Isis-wg@ietf.org >>>> https://www.ietf.org/mailman/listinfo/isis-wg >>>> >>>
- [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator… bruno.decraene
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Jie Dong
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… bruno.decraene
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… bruno.decraene
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Jie Dong
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Tony Li
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… lizhenqiang
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Tony Li
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Tony Li
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… mike shand
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… lizhenqiang
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… lizhenqiang
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Dave Katz
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Tony Li
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Tony Li
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Dave Katz
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Les Ginsberg (ginsberg)
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Tony Li
- Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Origin… Christian Hopps