Working drafts for the v. 1.5 Web Services Policy

October 2, 2006

The Web Services Policy Working Group has released updated Working Drafts of Web Services Policy 1.5. The framework provides a general purpose model and corresponding syntax to describe the various policies of entities in a Web services-based platform.

The Web Services Policy Framework version 1.5 defines a base set of constructs that can be used and extended by other Web services specifications to describe a broad range of service requirements and capabilities.

The goal of Web Services Policy 1.5 - Framework is to provide the mechanisms needed to enable Web services applications to specify policy information. Specifically, this specification defines the following:

1) An XML Infoset called a policy expression that contains domain-specific, Web Service policy information.

2) A core set of constructs to indicate how choices and/or combinations of domain-specific policy assertions apply in a Web services environment.

The Web Services Policy 1.5 is a framework is designed to work with the general Web services framework, including WSDL service descriptions [ WSDL 1.1 , WSDL 2.0 Core Language ].

It also includes UDDI service registrations [ UDDI API 2.0 , UDDI Data Structure 2.0 , UDDI 3.0 ].

The Web Services Policy 1.5 - Attachment defines two general-purpose mechanisms for associating policies with the subjects to which they apply; the policies may be defined as part of existing metadata about the subject or the policies may be defined independently and associated through an external binding to the subject.

To enable Web Services Policy to be used with existing Web service technologies, this specification describes the use of these general-purpose mechanisms with WSDL and UDDI.

Specifically, this specification defines the following:

a) How to reference policies from WSDL definitions

b) How to associate policies with deployed Web service endpoints

c) How to associate policies with UDDI entities

Source: Web Services.org

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