Using Policies to Manage Composite Web Services

When no single Web service can fulfil a user's request, providers often turn to composite Web services. However, developing a composite Web service is not simple and deploying the composition specification at runtime consists of several processes. Developers and deployers of composite Web services can use policies in various scenarios, from the announcement of Web services to the compatibility between Web services and composite Web services. Mapping guidelines for a Web service's behavior to policies can ensure an individual Web service's smooth engagement into a composite Web service