As companies seek benefits from service-oriented architecture (SOA), implementers struggle with the fundamental mismatch between the logical data organization that a service should expose, and the diverse and chaotic nature of data in its current physical form. The solution to this dilemma is a data abstraction layer. Data abstraction hides the complexity of the back-end data sources while providing a common information model, which is better organized to meet the needs of the architecture.

 

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