Re: [Gen-art] [core] Review: draft-ietf-core-link-format-11

Cullen Jennings <fluffy@iii.ca> Wed, 18 April 2012 18:40 UTC

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From: Cullen Jennings <fluffy@iii.ca>
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Date: Wed, 18 Apr 2012 12:40:43 -0600
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References: <4F3D931C.1000101@nostrum.com> <4F3FFB16.6030502@joelhalpern.com> <78A0D3BA-5EFE-4AD7-ACD6-56196CB588CF@sensinode.com>
To: Zach Shelby <zach@sensinode.com>
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Cc: gen-art@ietf.org, core WG <core@ietf.org>
Subject: Re: [Gen-art] [core] Review: draft-ietf-core-link-format-11
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On Mar 8, 2012, at 5:55 AM, Zach Shelby wrote:

>> 
>> Major issues:
>>   What is the registration / collision avoidance strategy for resource type (rt) and interface description (if) values?  They are both defined as opaque strings which can happen to be URIs.  So there seems to be potential for collision.
> 
> There is definitely a possibility for collision for those two attributes, especially as there will be a mix of specifications that define specific values to be used, and developers using their own values. Currently while those are being defined in CoRE drafts we can avoid collisions, but when other WGs or SDOs start defining them...
> 
> We have deliberated on the idea of defining registries for rt= and if= values, but it has not been clear if that should be done in this document. Recently several CoRE drafts have been written that do specify well-known values for those fields, so it starts to become obvious that those registries would be useful. If I understand right, your recommendation would be that we define those registries in the IANA section of this document? I would be in favor of doing that.

Where are we on resolving topic? This is closely linked with the registry proposed in senml.