Re: [Gen-art] Gen-ART Review of draft-ietf-l2vpn-vpls-mcast-reqts-05

Christian Vogt <christian.vogt@nomadiclab.com> Mon, 04 August 2008 10:53 UTC

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From: Christian Vogt <christian.vogt@nomadiclab.com>
To: Yuji KAMITE <y.kamite@ntt.com>
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Cc: l2vpn-chairs@tools.ietf.org, draft-ietf-l2vpn-vpls-mcast-reqts@tools.ietf.org, 'Ron Bonica' <rbonica@juniper.net>, 'Gen-ART Mailing List' <gen-art@ietf.org>, 'Jari Arkko' <jari.arkko@piuha.net>, 'Tim Polk' <tim.polk@nist.gov>, 'Mark Townsley' <townsley@cisco.com>, 'yuichiro wada' <wada.yuichiro@lab.ntt.co.jp>
Subject: Re: [Gen-art] Gen-ART Review of draft-ietf-l2vpn-vpls-mcast-reqts-05
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Yuji -

> To address your comment, I propose to add a new  parragraph below in
> this section (after 4st paragraph). I think your question was if this
> requirement has benefit or not, so I'm trying to clarify that.
>
> "   This policy will benefit customers.   Some customers would like to
> detect failure soon at CE side and restore full   connectivity by
> switching over to their backup line,   rather than to keep poor half
> connectivity (i.e., either unicast or multicast being in fail).   Even
> if either unicast or multicast is kept alive, it is just
> disadvantageous   to the customer's application protocols which need
> both traffic.   Fate-sharing policy contributes to preventing such a
> complicated situation."

Yes, this is great.  If you add this text to the document, it will be
more clear to the reader why you enforce fate sharing.

Thanks!

- Christian


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