8.3. Summary
Metadata is a key ingredient for implementing the application and data transparency that is necessary for a successful EAI project. Directory services provide a procedural interface for applications to store and retrieve metadata, and share that metadata globally. JNDI is a Java API that allows our applications to treat multiple directory service implementations identically, and thereby, facilitate the development of federated directory services.
Also in this chapter you saw that there's tremendous synergy between XML as a way to represent and store metadata, and directory and naming services use of metadata. This relationship is so synergistic, that we were able to demonstrate in this chapter how to build a naming and directory ...
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