Re: [Idr] [internet-drafts@ietf.org: I-D Action: draft-haas-idr-extended-experimental-00.txt]
Jeffrey Haas <jhaas@pfrc.org> Mon, 07 November 2016 15:23 UTC
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Date: Mon, 07 Nov 2016 10:26:16 -0500
From: Jeffrey Haas <jhaas@pfrc.org>
To: Marco Marzetti <marco@lamehost.it>
Message-ID: <20161107152616.GB25256@pfrc.org>
References: <20161031205515.GA25507@pfrc.org> <5818E126.2090202@foobar.org> <20161101185759.GA23458@pfrc.org> <CAO367rUUHO5zDLMzeLYbka_04k7WyFrw6BM83tyJeM4rZ8RZKQ@mail.gmail.com>
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Subject: Re: [Idr] [internet-drafts@ietf.org: I-D Action: draft-haas-idr-extended-experimental-00.txt]
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Marco, On Sun, Nov 06, 2016 at 08:23:36PM +0100, Marco Marzetti wrote: > On Tue, Nov 1, 2016 at 7:58 PM, Jeffrey Haas <jhaas@pfrc.org> wrote: > > > > > A feature such as this one, perhaps extended with a per-attribute form of > > draft-ietf-idr-bgp-attribute-announcement along with enough information to > > figure out when filtering wasn't done could provide some safety. > > > > The related changes to this proposal would be to simply add the 4-octets of > > the attribute announcement scoping and potentially the attaching AS. > > However, given even such vendor features are likely to need to work in an > > inter-as fashion, generating scopes of containment become tricky. > > > > > I have always wondered if we should add and N bit to > draft-ietf-idr-bgp-attribute-announcement to limit the advertisements to > neighbor ASes only. Such a thing was discussed among the authors of the attribute-announcement draft. What this would mean is such a bit would need to be set and then automatically reset into the M-bits (C+A) at the next boundary. The general challenges about what to do when intervening routers did not understand the header remain. -- Jeff
- [Idr] [internet-drafts@ietf.org: I-D Action: draf… Jeffrey Haas
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Jakob Heitz (jheitz)
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Peter Hessler
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Jared Mauch
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Jeffrey Haas
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Nick Hilliard
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … heasley
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Jeffrey Haas
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Jeffrey Haas
- [Idr] New Version Notification for lizhenqiang@chinamobile.com
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Dongjie (Jimmy)
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Jeffrey Haas
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Dongjie (Jimmy)
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Marco Marzetti
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Colin Petrie
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Jeffrey Haas
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … John G. Scudder
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … Jeffrey Haas
- Re: [Idr] [internet-drafts@ietf.org: I-D Action: … John G. Scudder