Chapter 22. Versioning Message Schemas
22.2 XML Schema and WSDL Target Namespaces
22.4 Flexible Schema Versioning (Using Optional Components)
22.5 Loose Schema Versioning (Using Wildcards)
No part of the Web service contract demands as much versioning-related attention as the XML Schema definitions that form the basis of input, output, and fault messages. Introducing changes to existing type definitions and data structures used by WSDL message definitions can be relatively simple and uneventful, or it can produce a ripple effect across consumers that (especially with agnostic services) can impose ...
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