December 2008
Intermediate to advanced
863 pages
18h 32m
English

Service Layers (143) establishes a general means of organizing the services within an inventory into logical groups. Each layer is based on a type of service and therefore represents a set of services that conform to this type. These types correspond to industry classifications referred to as service models.
Following are the three most common service models:
• Utility Service Model– A type of service that provides generic processing logic that is not classified as business logic (as explained in the upcoming Business Logic and Agnostic ...
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