Re: [Isis-wg] New Version Notification for draft-ginsberg-isis-sbfd-discriminator-00.txt
Hannes Gredler <hannes@juniper.net> Wed, 14 May 2014 15:27 UTC
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From: Hannes Gredler <hannes@juniper.net>
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Date: Wed, 14 May 2014 17:26:52 +0200
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To: "Les Ginsberg (ginsberg)" <ginsberg@cisco.com>
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Subject: Re: [Isis-wg] New Version Notification for draft-ginsberg-isis-sbfd-discriminator-00.txt
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On May 14, 2014, at 5:22 PM, Les Ginsberg (ginsberg) wrote: > 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. well it would help first endpoint discovery and pinning down BFD traffic to particular line card. > 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. > i am just saying 1 discriminator seems overly restrictive to me and having support for more-than 1 would be a good idea to start with; >> -----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)