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Re: [xmpp] [Gen-art] Gen-ART review for draft-ietf-xmpp-websocket-07

"Romascanu, Dan (Dan)" <dromasca@avaya.com> Tue, 08 July 2014 15:49 UTC

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From: "Romascanu, Dan (Dan)" <dromasca@avaya.com>
To: Dave Cridland <dave@cridland.net>
Thread-Topic: [xmpp] [Gen-art] Gen-ART review for draft-ietf-xmpp-websocket-07
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Date: Tue, 08 Jul 2014 15:49:19 +0000
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Cc: "draft-ietf-xmpp-websocket.all@tools.ietf.org" <draft-ietf-xmpp-websocket.all@tools.ietf.org>, "gen-art@ietf.org" <gen-art@ietf.org>, Jari Arkko <jari.arkko@piuha.net>, "xmpp@ietf.org" <xmpp@ietf.org>
Subject: Re: [xmpp] [Gen-art] Gen-ART review for draft-ietf-xmpp-websocket-07
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Hi Dave,

An implementor of RFC 6120 does not know that the XMPP over Websockets binding option exists at all. It did not exist by the time 6120 was written, so of course, they can do without it. Now that the binding exist, the option should be visible IMO.

The language you use in the I-D actually seems to support this:

> The WebSocket
> XMPP sub-protocol deviates from the standard method of constructing and using
> XML streams as defined in [RFC6120] by adopting the message framing provided by
> WebSocket to delineate the stream open and close headers, stanzas, and other
> top-level stream elements.

Regards,

Dan


From: Dave Cridland [mailto:dave@cridland.net]
Sent: Tuesday, July 08, 2014 6:30 PM
To: Romascanu, Dan (Dan)
Cc: Jari Arkko; draft-ietf-xmpp-websocket.all@tools.ietf.org; gen-art@ietf.org; xmpp@ietf.org
Subject: Re: [xmpp] [Gen-art] Gen-ART review for draft-ietf-xmpp-websocket-07

On 8 July 2014 10:06, Romascanu, Dan (Dan) <dromasca@avaya.com<mailto:dromasca@avaya.com>> wrote:
Hi Jari,

The authors actually responded - see http://www.ietf.org/mail-archive/web/gen-art/current/msg10306.html.

They pushed back on my #1 - I am still not convinced by their argument (as the protocol does change by adding a different mapping) but I would not block the document for this purpose.
The proposed changes for the rest are fine.

I genuinely don't understand why adding an additional binding should require an Updates.

I understand "Updates" to be an indicator that implementors of (in this case) RFC 6120 would need to read this document as well, and I don't believe that to be the case.

In particular, implementors of RFC 6120 don't need to care about this document unless they *also* want to do XMPP over Websockets, in the same way that implementors of Websockets don't need to care about this document unless they *also* want to send XMPP over them.

Of course, readers of this document are required to read both RFC 6120 and the Websockets spec, but that's what Normative References are for.

Dave.

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