Scott Hanselman

SOAP with Attachments starting to make sense? - MTOM (Message Transmission Optimization Mechanism)

August 30, '04 Comments [1] Posted in ASP.NET | Web Services | XML
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It may make sense yet.  MTOM is a Candidate Recommendation - Omri breaks down the three specs.  This will be supported in WSE 3.0 and in Indigo, and appears to be the final and official way to do attachments with SOAP.  Only took four tries.

Omri explains why it took so many tries in this post from last year, and includes a series of examples that illustrate the DoInclude header and an inline encoded attachment as well as one outside the Envelope. 

He sums it up well (emphasis mine):

[The W3C's MTOM (which is based on PASwA) is] the attachments technology that we believe gives us an adequate interoperable solution for attaching large objects to SOAP messages, while still retaining the goodness of the XML Infoset, thereby enabling composition with other WS technologies such as WS-Security. [Omri Gazitt]

About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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Monday, 30 August 2004 19:40:42 UTC
"may make" not "make make" : )
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