RE: [Bug 6463] New: Attaching Policy to WS-Mex GetMetadata

There is a simple, natural solution - embed a WSDL (using MEX in an EPR) that specifies binding/port information for the MetadataExchange portType at http://www.w3.org/2009/09/ws-mex/metadataexchange.wsdl and attach policy expressions to bindings, as appropriate. This is specifically covered by some prose in the current version of WS-MetadataExchange draft [1]:

"In particular, the mechanisms described in 7 Metadata in Endpoint References allow issuers of endpoint references to include sufficient protocol binding information to allow requesters to issue a Get request against a metadata resource, or a Get Metadata request against a service endpoint, in order to retrieve all the information needed to use the service."

Proposal: close issue 6463 without any action!

[1] http://www.w3.org/TR/2009/WD-ws-metadata-exchange-20090924/#Bootstrapping-Metadata-Retrieval 

Regards,

Asir S Vedamuthu
Microsoft Corporation

-----Original Message-----
From: public-ws-resource-access-notifications-request@w3.org [mailto:public-ws-resource-access-notifications-request@w3.org] On Behalf Of bugzilla@wiggum.w3.org
Sent: Wednesday, January 21, 2009 6:45 AM
To: public-ws-resource-access-notifications@w3.org
Subject: [Bug 6463] New: Attaching Policy to WS-Mex GetMetadata


http://www.w3.org/Bugs/Public/show_bug.cgi?id=6463

           Summary: Attaching Policy to WS-Mex GetMetadata
           Product: WS-Resource Access
           Version: PR
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: MetadataExchange
        AssignedTo: public-ws-resource-access-notifications@w3.org
        ReportedBy: katy_warr@uk.ibm.com


We should consider clarifying or recommending how policy should be associated
with a WS-MetadataExchange GetMetadata request.  ('Policy' might be existing
policies such as WS-SecurityPolicy or potential new assertions, as described in
issue 6406 here: http://www.w3.org/Bugs/Public/show_bug.cgi?id=6406).

A GetMetadata operation's policy cannot be attached within the Web service
endpoint's WSDL because:
In order for a client to establish the WS-Mex GetMetadata policy, it would need
to issue a GetMetadata(WSDL) request at the web service endpoint...but in order
to issue a GetMetadata request at the endpoint it would need to establish the
WS-Mex GetMetadata policy...

The issue here is: what is the correct way to bootstrap the bootstrap (without
entering an infinite loop)?


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Received on Monday, 2 November 2009 01:37:53 UTC