Re: [Anima] Use of M_FLOOD for discovery of Proxy

Brian E Carpenter <brian.e.carpenter@gmail.com> Sun, 18 June 2017 19:53 UTC

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From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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Date: Mon, 19 Jun 2017 07:53:17 +1200
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Subject: Re: [Anima] Use of M_FLOOD for discovery of Proxy
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On 19/06/2017 04:58, Michael Richardson wrote:
> 
> Toerless Eckert <tte@cs.fau.de> wrote:
>     > 2. If we send the M_FLOOD for BRSKI and ACP periodicially once every 30 seconds,
>     > i don't think that we should be worried about sending one instead of two packets.
> 
>     > From grasp-13 it seems that i can only put a single grasp-message into a single
>     > UDP packets. And i can only put a single objective into a single grasp-message.
> 
> Because we can announce multiple objectives.
> 
>     > I don't think i want a single objective to announce both ACP and BRSKI. Those
>     > are features of two different ASA. How would i implement this.
> 
> It would be a feature of the single, unpriviledged DULL instance.
> That instance would be configured by some larger intent.
> 
> If a node doesn't want to announce itself as a proxy, it would omit that
> objective.
> 
> As for implementation, I've done it. It's a question of about a page of C
> code (given a cbor library), or about ten lines of ruby. Probably a similar
> number of lines of python.

I'm thinking that if we want to make a tiny extension to GRASP syntax for
this special purpose, we can do so in the BRSKI document. That's yet another
benefit of using CBOR.

    Brian