Re: [Anima-bootstrap] peer and domain [was BRSKI State Machine]

Brian E Carpenter <brian.e.carpenter@gmail.com> Thu, 20 October 2016 19:56 UTC

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To: Michael Richardson <mcr+ietf@sandelman.ca>, "Michael Behringer (mbehring)" <mbehring@cisco.com>
References: <c41c231f3906477f97f1641617de025e@XCH-RCD-006.cisco.com> <6E2BF711-B34F-40E3-9543-CEB3A9BD89DC@cisco.com> <71f23615-511f-e087-dc32-a041c295de9c@gmail.com> <0EEC961F-D08D-4E35-8736-5CA7515090A2@cisco.com> <56fba332c2744d0aa5ab48189722e175@XCH-RCD-006.cisco.com> <11334.1476977650@obiwan.sandelman.ca>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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Date: Fri, 21 Oct 2016 08:56:05 +1300
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Cc: "Max Pritikin (pritikin)" <pritikin@cisco.com>, "anima-bootstrap@ietf.org" <anima-bootstrap@ietf.org>
Subject: Re: [Anima-bootstrap] peer and domain [was BRSKI State Machine]
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On 21/10/2016 04:34, Michael Richardson wrote:
> 
> Michael Behringer (mbehring) <mbehring@cisco.com> wrote:
>     > Right now we really specify the same thing in both BRSKI and ACP
>     > drafts. First of all, I think we should be VERY clear that we don't
>     > want *two* mechanisms to discover a proxy or an ACP neighbour. We want
>     > a single protocol to do this. (I think we agree up to here).
> 
> I don't think I agree.
> 
> I'm also pretty unclear how to feed the ACP adjacency table easily from the
> entire GRASP discovery process, including the TCP based reply mechanism, and
> doing this on the insecured underlying network...
> 
> Perhaps if we had a new M_ANNOUNCE or something that was suitable for
> multicasting, and which elicited no reply, that would be fine. It duplicates
> the part of mDNS that we found useful.
> 
> Essentially it's just [M_NOOP, ["announce", stuff]]

It can be [M_FLOOD,,,,["I talk ACP",,,,,stuff]]

GRASP seems to be pretty versatile, even without new message formats.

   Brian