[Fwd: Re: [Council] VOTE: JEP-0072 (SOAP Over XMPP)]

Matthew A. Miller linuxwolf at outer-planes.net
Tue Nov 30 09:32:10 CST 2004


Forwarding to list.

Hey Council-chair/JEP-editor, how about letting Mr. Fornio post directly 
for these discussions? (-:


-  LW

-------- Original Message --------
Subject: Re: [Council] VOTE: JEP-0072 (SOAP Over XMPP)
Date: Tue, 30 Nov 2004 15:48:20 +0100
From: Fabio Forno <fabio.forno at polito.it>
Organization: Politecnico di Torino
To: Matthew A. Miller <linuxwolf at outer-planes.net>
CC: Jabber Council discussion list <council at jabber.org>
References: <20041105233148.GA19788 at jabber.org> 
<41AB3B9A.1070006 at outer-planes.net>

Matthew A. Miller wrote:
> Overall, the JEP seems to follow both Jabber Tao and SOAP 1.0 faithfully.
> 
> However, the way attachments are handled gives me some concern.  I can 
> completely understand why it was done this way (reusing existing Jabber 
> protocol is usually a Good Thing), but having the requester start 
> transfers before the responder has decided it's going to accept the SOAP 
> request doesn't seem right.  It seems to me something like sipub[1] 
> (whether or not sipub is actually used) would be a better route, since 
> it allows the responder to trigger the file transfer from the requester.

Yep, I agree, there is a problem with attachments (file trasfer). The
first time I read your comment I wasn't getting the point, then thinking
about it I figured the following case. SOAP messages aren't simple point
to point messages, but they can pass many hops and be processed in the
meanwhile. While usually just the header is processed during the path,
the body and attachements are bound to the final hop.
Instead, accordingly to JEP72, the file should be offered directly to
the next hop and so on, though just a reference to the stream would be
better. My suggestion: change SHOULD with COULD and clarify better that
other mechanisms should be used when more appropriate, such as sipub.

-- 
Fabio Forno, Ph.D. - Research Assistant
Politecnico di Torino - Dip. Automatica e Informatica
C.so Duca degli Abruzzi 24 - 10129 Torino (Italy)
Phone: +39 011 2276 102 - JabberId: sciasbat at jabber.linux.it


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