Pierre,

Thanks for the updates.   Can you summarize?  Have the number of changes
become few enough in general to be practical?

Alia


On Thu, Oct 31, 2013 at 11:49 AM, Pierre Francois <[email protected]
> wrote:

> Stephane,
>
> Much progress on the topic has been made since that much preliminary
> Infocom paper.
> So here come more up-to-date reference points to compare:
>
> Graceful Convergence in Link-State IP Networks
> F. Clad, P. Mérindol, J.-J. Pansiot, P. Francois and O. Bonaventure
> In IEEE/ACM Transactions on Networking, 2013
>
> documents the most optimised algorithm known so far for the link shutdown
> case, with extensive simulation results and performance analysis.
>
>
> Graceful Router Updates for Link-State Protocols
> F. Clad, P. Mérindol, S. Vissicchio, J.-J. Pansiot and P. Francois
> In proceedings of IEEE ICNP 2013, Göttingen, Germany, October 2013
>
> provides an algorithm to do the same in the node shutdown case, smarter
> than doing one link after the other.
>
> Cheers,
>
> Pierre.
>
>
>
>
>
> On Oct 23, 2013, at 2:01 PM, [email protected] wrote:
>
> Hi,
>
> I would need more time to review your algo part. But anyway, could you
> explain the difference with some old public approach like the paper from
> Pierre, Mike and Olivier :
> http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.67.8263&rep=rep1&type=pdf
>
> Moreover I would be interested to see in your draft some simulation
> proving the metric list is quite low ...
> I can remember in the paper I'm referencing that the challenge was to
> compress the KMS list in order to prevent a very very long list which would
> not be applicable in a live network.
>
> Thanks
>
> Stephane
>
>
>
> -----Message d'origine-----
> De : [email protected] [mailto:[email protected]] De la part de
> Yangang
> Envoyé : lundi 21 octobre 2013 03:49
> À : [email protected]
> Cc : Zhangxudong (zhangxudong, VRP); Yangang
> Objet : Soliciting WG feedback and comments on
> draft-zxd-rtgwg-ordered-metric-adjustment-00
>
> Hi:
>
> We had submitted the a new draft:
> http://tools.ietf.org/html/draft-zxd-rtgwg-ordered-metric-adjustment-00,
> we want to discuss the micro-loop problem through another method. Your
> feedback and comments on the rtgwg mailing list are appreciated.
>
> Thanks,
> Rahul.Yan
>
> -----邮件原件-----
> 发件人: [email protected] [mailto:[email protected]]
> 发送时间: 2013年10月18日 15:47
> 收件人: Zhangxudong (zhangxudong, VRP); Yangang
> 主题: New Version Notification for
> draft-zxd-rtgwg-ordered-metric-adjustment-00.txt
>
>
> A new version of I-D, draft-zxd-rtgwg-ordered-metric-adjustment-00.txt
> has been successfully submitted by Xudong Zhang and posted to the
> IETF repository.
>
> Filename: draft-zxd-rtgwg-ordered-metric-adjustment
> Revision: 00
> Title:  Algorithm for Ordered Metric Adjustment
> Creation date: 2013-10-18
> Group:  Individual Submission
> Number of pages: 10
> URL:
> http://www.ietf.org/internet-drafts/draft-zxd-rtgwg-ordered-metric-adjustment-00.txt
> Status:
> http://datatracker.ietf.org/doc/draft-zxd-rtgwg-ordered-metric-adjustment
> Htmlized:
> http://tools.ietf.org/html/draft-zxd-rtgwg-ordered-metric-adjustment-00
>
>
> Abstract:
>   Upon link down event or link up event, each device in network
>   individually schedules route calculation.  Because of different
>   hardware capabilities and internal/external environments, the time to
>   update forwarding entries on these devices are disordered which can
>   cause a transient forwarding loop.  This document introduces a method
>   to prevent forwarding loop by adjusting link metric gradually for
>   several times.
>
>
>
>
>
> 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
>
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