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Proposal for linking MTOM section 4 to SOAP 1.2 HTTP binding

From: Marc Hadley <Marc.Hadley@Sun.COM>
Date: Wed, 10 Dec 2003 17:00:16 -0500
To: "Xml-Dist-App@W3. Org" <xml-dist-app@w3.org>
Message-id: <3D2D393D-2B5C-11D8-8828-0003937568DC@sun.com>
I took an action to propose a way to link section 4 in MTOM[1] to the 
existing SOAP 1.2 part 2 HTTP binding. I propose a replacement for one 
subsection to demonstrate the direction/approach I think we should 
adopt. If the WG likes this approach it could be extended to the rest 
of the section.

The existing section 4.3.1:

"4.3.1 Sending a SOAP message

When sending a SOAP message for which the Abstract Transmission 
Optimization Feature is enabled, the HTTP Transmission Optimization 
Feature optimizes the transmission of the message by serializing it 
using the MIFFY format (ref?). Unless otherwise stated, serializing a 
SOAP message infoset into the HTTP body MUST be semantically equivalent 
to performing the following steps separately, and in the order given.

   1. Serialize the SOAP Message into a MIME Multipart/Related packaging 
as described in the MIFFY format (ref?).
   2. Serialize the MIME Multipart/Related packaging into the HTTP body."

Suggested replacement:

"4.3.1 Sending a SOAP message

This section describes the pertubations to the SOAP 1.2 HTTP binding 
(see [xxx]), section 7.5.1 Behaviour of Requesting SOAP Node, that 
result from use of the MTOM feature. Only those aspects described below 
differ from the existing operation of the HTTP binding, all other 
aspects of its operation remain unchanged. Init

This section describes changes to SOAP 1.2 Part 2, section 
Init. When using the MTOM feature, the application/soap+xml 
serialization of a SOAP message is replaced by a MIFFY package[xx].

Table xx: HTTP Request Fields

| Field        | Value                             |
| Content-Type | mime/multipart-related            |
| header field |                                   |
| HTTP entity  | SOAP message serialized according |
| body         | to rules in MIFFY[xx]             |

The MIFFY package is constructed according to the MIFFY 
specification[xx] with the following restrictions:

   1. The package MUST use the mime/multipart-related serailization as 
described in section xxx of MIFFY[xx].
   2. Each optimization MUST generate exactly one extracted binary part 
in the resulting package. I.e. extracted binary parts MUST NOT be 
referenced with more than one miffy:Include in the SOAP message part.

Note: This does not preclude the MIFFY package from including 
additional parts not referenced with a miffy:Include. Such additional 
parts are not part of the SOAP message infoset are not included in the 
SOAP processing model."


[1] http://www.w3.org/mid/3FC37C1E.20201@crf.canon.fr

Marc Hadley <marc.hadley@sun.com>
Web Technologies and Standards, Sun Microsystems.

Received on Wednesday, 10 December 2003 17:00:21 UTC

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