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Re: Proposal for generic MTOM format

From: Mark Nottingham <mark.nottingham@bea.com>
Date: Mon, 20 Oct 2003 12:30:45 -0700
Cc: "Xml-Dist-App@W3. Org" <xml-dist-app@w3.org>, Anish Karmarkar <Anish.Karmarkar@oracle.com>
To: noah_mendelsohn@us.ibm.com
Message-Id: <E6AED908-0333-11D8-82AF-00039396E15A@bea.com>


I can understand your concerns here as a matter of practice, but I 
wonder why it's necessary to embody them in the specification. There 
may be cases where getting things from the network are desirable, and I 
don't see any reason to preclude their use (whether or not that's a 
good idea for a particular application is another story, of course).


On Monday, October 20, 2003, at 12:11  PM, noah_mendelsohn@us.ibm.com 

> Anish Karamarkar writes:
>>> If we separate out section 3.2 as a part of
>>> the separate document which is not SOAP
>>> specific, isn't that the same as XInclude
>>> with parse="binary"?
> I don't think so.  My impression is that an XInclude can reference any 
> web
> resource, which is a quite weak contract packaging wise.  MTOM, as I
> understand it, says:  xbinc:Include must be replaced with the resource
> representation >>in the multipart MIME  stream in which the reference
> occurs<<.   In other words, I see the MTOM serialization (though not
> necessarily all embodiments of the abstract MTOM feature) as 
> specifically
> providing for data packaged together in a single stream.  Indeed, I 
> would
> argue that if we used generalized include in the MTOM serialization, it
> should be limited to representations carried in that serialization.  
> It is
> completely unacceptable to have to open a web connection to get these
> message parts.
> Perhaps this is a reason not to use generalized XInclude in MTOM?  In
> other words, if you really mean Web-scale XInclude, with the possible 
> need
> to open external connections, use generalized XInclude (if it gets to
> Rec.)  For local-only include use xbinc:Include?  I can see this either
> way, but I think its essential that we call out separately the case 
> where
> messages are self-contained.  Thanks!
> Noah
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> Noah Mendelsohn                              Voice: 1-617-693-4036
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Received on Monday, 20 October 2003 15:31:25 UTC

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