These are just 2 of the 65 recommendations in an SEI report on testing the infrastructure, services, and end-to-end threads found in a service-oriented architecture (SOA) environments. The report discusses testing challenges (the implications of a lack of tools to automate testing of composites of individual web services, for instance) and details what to do in testing service-oriented system functionality and important qualities such as interoperability and security.
Read the report.
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