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Subject: [NEW ISSUE] binding.ws should REQUIRE support for WS-Policy



Raiser:                Mike Edwards

Target:                sca-wsbinding-1.1-spec-cd03-rev3.doc

Description:

The current binding.ws specification makes no normative statements which relate to WS-Policy.

However, there are clearly parts of the specification that do relate to WS-Policy and it also the case that
for Web services, WS-Policy is the defined policy language.

I believe that the binding.ws specification should make a definite statement about support for WS-Policy
as a policy language.

Note that this does not imply a requirement for the support of any specific concrete policies that might be
expressed in the WS-Policy language.  It does imply that a binding.ws implementation cannot fail merely
because it encounters WS-Policy constructs.  It also implies that IF a binding.ws instance seeks to advertise
policies then it must do so using WS-Policy.

Proposal:

Add a normative statement that a binding.ws implementation must support the WS-Policy specification:

This support takes the following forms:

a) accepting WS-Policy statements in supplied WSDLs
b) advertising applied policies in generated WSDLs
c) accepting WS-Policy statements in PolicySets
d) for the purposes of policy matching between references and services, the binding.ws implementation
must follow the policy intersection rules of WS-Policy

The support DOES NOT imply that a binding.ws implementation must support any particular concrete policy
expressed using WS-Policy.

Detailed text:

Add a new section 2.10, as follows:

2.10 Support for WS-Policy specification

A binding.ws implementation MUST support the WS-Policy specification and MUST:
a) accept WS-Policy statement in any supplied WSDLs
b) advertise any policies applied to a service using the WS-Policy language
c) accept WS-Policy statements in SCA policySets
d) use the WS-Policy policy intersection rules when matching policies between a reference and a service
[BWS20038]

Note that the requirements relating to WS-Policy do not mandate that the binding.ws implementation has to
support any specific concrete policies.  The requirements are that the WS-Policy language itself must be
supported and that the presence of WS-Policy constructs cannot be used to reject an SCA artifact.
 


Yours,  Mike.

Strategist - Emerging Technologies, SCA & SDO.
Co Chair OASIS SCA Assembly TC.
IBM Hursley Park, Mail Point 146, Winchester, SO21 2JN, Great Britain.
Phone & FAX: +44-1962-818014    Mobile: +44-7802-467431  
Email:  mike_edwards@uk.ibm.com





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