On 22/09/2017 20:44, Liubing (Leo) wrote:
> Hi Dear all,
> 
> To response to the Chairs' calling, I'd like to firstly mention an existing 
> work, draft-carpenter-anima-ani-objectives, which belongs to the first 
> category as Sheng defined below:
>> Leveraging the Current ANI (GRASP, ACP & BRISK)
> 
> It is very specific technical details (just like "option names" in other 
> protocols) related to all ANI components (BRSKI, ACP and GRASP), but 
> necessary for interoperability.
> We used to have some discussion about whether to define these objectives in 
> each ANI component. But there is two problems as I see:
> 
> 1.      This draft defines an additional value for GRASP message syntax to 
> indicate transport-protocol. So far it is actually used for BRSKI to indicate 
> IP-in-IP encapsulation. However, from definition perspective, this value is 
> generic than BRSKI-specific, so I'm not very sure it is proper to defined it 
> in BRSKI.
> 
> 2.      Technically, it is ok to define each GRASP-objective in each ANI 
> document, but would it be a bit scattered?
> 
> In any case, I think the ANI objective content should reach consensus and be 
> published as soon as possible.
> Then, the problem again: shall we make it as a standalone draft, or 
> incorporate them into each ANI draft?

The first conclusion after the previous IETF was to add the objectives into the
corresponding drafts. That is in progress for BRSKI and ACP. For the "stable
connectivity" draft, it is not included in 
draft-ietf-anima-stable-connectivity-06
but it is also not clear what is needed. Toerless should comment, but I think
he believes that NOC services are expected to be discovered via DNS-SD
in non-ANIMA scenarios, so maybe the best approach is to bridge ANIMA based
discovery to DNS-SD somehow. I have done a little work on that topic**,
but we need some clarity on the requirements.

So in answer to your question, I think we can let the ani-objectives draft
expire, but we may need a new draft on the DNSSD aspect.

** At https://github.com/becarpenter/graspy, see AskDNSSD.py and GetDNSSD.py

Regards
     Brian

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