Re: [apps-discuss] New Version Notification for draft-shelby-exi-registration-01.txt

Ned Freed <ned.freed@mrochek.com> Tue, 24 April 2012 01:16 UTC

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Date: Mon, 23 Apr 2012 18:14:36 -0700
From: Ned Freed <ned.freed@mrochek.com>
In-reply-to: "Your message dated Mon, 23 Apr 2012 16:05:30 -0600" <4F95D22A.6060500@stpeter.im>
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To: Peter Saint-Andre <stpeter@stpeter.im>
Cc: Cullen Jennings <fluffy@iii.ca>, "apps-discuss@ietf.org application-layer protocols" <apps-discuss@ietf.org>
Subject: Re: [apps-discuss] New Version Notification for draft-shelby-exi-registration-01.txt
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> On 4/23/12 2:28 PM, Carsten Bormann wrote:
> > My 5-line summary is:

> Thanks for the summary!

> > 1) EXI may or may not be a content-encoding in its schemaless form, but we don't care about that, we use EXI schema-informed mode.
> >
> > 2) +exi is considered undesirable for schema-informed EXI.
> > So we should go to an EXI specific media type, let's call that -exi.
> >
> > This means three media types for SenML
> >
> > application/senml+json
> > application/senml+xml
> > application/senml-exi
> >
> > The third media type would in particular nail down the way EXI is used in schema-informed mode.

> Although it's not beautiful, I can see why we've ended up at #3 and it
> seems like the least-worst solution at this point.

I have to agree. For better or worse, we didn't think about this case when the
architecture was designed. And as we all know, adding mandatory-to-implement
information fields after the fact doesn't work very well (if at all). So this
is where we end up.

				Ned