Re: [Isis-wg] New Version Notification for draft-ginsberg-isis-sbfd-discriminator-00.txt
"Les Ginsberg (ginsberg)" <ginsberg@cisco.com> Wed, 14 May 2014 15:23 UTC
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From: "Les Ginsberg (ginsberg)" <ginsberg@cisco.com>
To: Hannes Gredler <hannes@juniper.net>
Thread-Topic: [Isis-wg] New Version Notification for draft-ginsberg-isis-sbfd-discriminator-00.txt
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Date: Wed, 14 May 2014 15:22:54 +0000
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Subject: Re: [Isis-wg] New Version Notification for draft-ginsberg-isis-sbfd-discriminator-00.txt
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Hannes - Thanx for the comments. I don't see how your proposal solves the problem you are attempting to address. The sender of the S-BFD packet has no control over what interface is used to receive the packet on the target node. Associating it with a prefix will not help in that regard. Further, the potential use of multiple S-BFD discriminator values by a given node gets into an application area that we have deliberately avoided. One can imagine that S-BFD may want to use different discriminator values for much more than just different address families - in which case the mapping between a given discriminator and a given usage will not be addressed simply by associating the discriminator with an IPv4/IPv6 address. Such cases will no doubt be discussed within BFD WG as part of the S-BFD work - but at this point we really want to keep the IGP advertisements out of this area. Les > -----Original Message----- > From: Hannes Gredler [mailto:hannes@juniper.net] > Sent: Wednesday, May 14, 2014 7:08 AM > To: Les Ginsberg (ginsberg) > Cc: isis-wg@ietf.org; rtg-bfd@ietf.org > Subject: Re: [Isis-wg] New Version Notification for draft-ginsberg-isis-sbfd- > discriminator-00.txt > > hi les, > > making the S-BFD discriminator a sole node-property feels a bit coarse > for my taste. i'd rather carry this in a IP prefix advertisement, > such that i have more granular control *what* (particular links/loopback > etc.) > gets BFD-tested. also i'd would like that the receiver gets some idea what > address family (v4/v6) a S-BFD is related to. > > /hannes > > On May 8, 2014, at 4:48 PM, Les Ginsberg (ginsberg) wrote: > > > FYI - this new draft describes how to advertise S-BFD Discriminators using > IS-IS. > > > > Comments are welcomed. > > > > Les > > > > > > -----Original Message----- > > From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] > > Sent: Thursday, May 08, 2014 7:46 AM > > To: Mach Chen; Nobo Akiya (nobo); Mach Chen; Les Ginsberg (ginsberg); > Nobo Akiya (nobo); Les Ginsberg (ginsberg) > > Subject: New Version Notification for draft-ginsberg-isis-sbfd- > discriminator-00.txt > > > > > > A new version of I-D, draft-ginsberg-isis-sbfd-discriminator-00.txt > > has been successfully submitted by Les Ginsberg and posted to the > > IETF repository. > > > > Name: draft-ginsberg-isis-sbfd-discriminator > > Revision: 00 > > Title: Advertising S-BFD Discriminators in IS-IS > > Document date: 2014-05-08 > > Group: Individual Submission > > Pages: 5 > > URL: http://www.ietf.org/internet-drafts/draft-ginsberg-isis-sbfd- > discriminator-00.txt > > Status: https://datatracker.ietf.org/doc/draft-ginsberg-isis-sbfd- > discriminator/ > > Htmlized: http://tools.ietf.org/html/draft-ginsberg-isis-sbfd- > discriminator-00 > > > > > > Abstract: > > This document defines a means of advertising one or more S-BFD > > Discriminators using the IS-IS Router Capability TLV. > > > > > > > > > > > > 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 > > > > _______________________________________________ > > Isis-wg mailing list > > Isis-wg@ietf.org > > https://www.ietf.org/mailman/listinfo/isis-wg
- [Isis-wg] FW: New Version Notification for draft-… Les Ginsberg (ginsberg)
- Re: [Isis-wg] FW: New Version Notification for dr… Les Ginsberg (ginsberg)
- Re: [Isis-wg] FW: New Version Notification for dr… Sam Aldrin
- Re: [Isis-wg] FW: New Version Notification for dr… Les Ginsberg (ginsberg)
- Re: [Isis-wg] FW: New Version Notification for dr… Jeffrey Haas
- Re: [Isis-wg] FW: New Version Notification for dr… Jeffrey Haas
- Re: [Isis-wg] FW: New Version Notification for dr… Jeffrey Haas
- Re: [Isis-wg] New Version Notification for draft-… Hannes Gredler
- Re: [Isis-wg] New Version Notification for draft-… Hannes Gredler
- Re: [Isis-wg] New Version Notification for draft-… Les Ginsberg (ginsberg)
- Re: [Isis-wg] New Version Notification for draft-… Les Ginsberg (ginsberg)
- Re: [Isis-wg] New Version Notification for draft-… Hannes Gredler
- Re: [Isis-wg] New Version Notification for draft-… Hannes Gredler
- Re: [Isis-wg] New Version Notification for draft-… Les Ginsberg (ginsberg)
- Re: [Isis-wg] New Version Notification for draft-… Jeffrey Haas
- Re: [Isis-wg] New Version Notification for draft-… Les Ginsberg (ginsberg)
- Re: [Isis-wg] New Version Notification for draft-… Nobo Akiya (nobo)
- Re: [Isis-wg] New Version Notification for draft-… Hannes Gredler
- Re: [Isis-wg] New Version Notification for draft-… Nobo Akiya (nobo)
- Re: [Isis-wg] New Version Notification for draft-… Hannes Gredler
- Re: [Isis-wg] New Version Notification for draft-… Nobo Akiya (nobo)
- Re: [Isis-wg] New Version Notification for draft-… Mach Chen
- Re: [Isis-wg] New Version Notification for draft-… Mach Chen
- Re: [Isis-wg] New Version Notification for draft-… Les Ginsberg (ginsberg)
- Re: [Isis-wg] New Version Notification for draft-… Nobo Akiya (nobo)
- Re: [Isis-wg] New Version Notification for draft-… Mach Chen
- Re: [Isis-wg] New Version Notification for draft-… Hannes Gredler
- Re: [Isis-wg] New Version Notification for draft-… Gregory Mirsky
- Re: [Isis-wg] New Version Notification for draft-… Nobo Akiya (nobo)
- Re: [Isis-wg] New Version Notification for draft-… Gregory Mirsky
- Re: [Isis-wg] New Version Notification for draft-… Nobo Akiya (nobo)
- Re: [Isis-wg] New Version Notification for draft-… Mach Chen
- Re: [Isis-wg] New Version/Proposed isis-wg docume… Marc Binderberger
- Re: [Isis-wg] New Version/Proposed isis-wg docume… Les Ginsberg (ginsberg)