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Wednesday, September 19, 2007

W3C Last Call Working Draft for MTOM Policy Assertion

W3C's XML Protocol Working Group has released a First Public and Last
Call Working Draft for the "MTOM Serialization Policy Assertion 1.1"
specification. The Last Call period ends 15-October-2007. The
specification describes a domain-specific policy assertion that
indicates endpoint support of the optimized MIME multipart/related
serialization of SOAP messages defined in section 3 of the "SOAP
Message Transmission Optimization Mechanism (MTOM)" specification.
This policy assertion can be specified within a policy alternative
as defined in "Web Services Policy 1.5 - Framework (WS-Policy)" and
attached to a WSDL description as defined in "Web Services Policy
1.5 - Attachment (WS-PolicyAttachment)." For backwards compatibility,
the policy assertion can also be used in conjunction with the SOAP
1.1 Binding for MTOM 1.0 Member Submission. The document defined a
namespace URI: INFORMATION MTOM
describes an abstract feature and a concrete implementation of it for
optimizing the transmission and/or wire format of SOAP messages
(to optimize hop-by-hop exchanges between SOAP nodes).

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