Two new standards were published yesterday by W3C that cover various aspects of web service metadata. WS-Policy is one of the family of general mechanisms used to describe service requirements and capabilities. Policy attachments supplement the general mechanism to describe how policy is specifically tied to a service description language, such as WSDL. Finally, WS-Addressing Metadata explains how addressing concepts should appear in WSDL, how WSDL should appear in addresses, and how addressing is described through policy. Look for these standards to be supported in the upcoming Orcas release. You can get all of these specifications at the W3C site. Web Services Addressing 1.0 - Metadata Web Services Policy 1.5 - Framework Web Services Policy 1.5 - Attachment
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