Question 3

Question

Currently, due to the increasing amount of concurrent access by service consumers, the runtime
performance of both the Client and Vendor services has worsened and has therefore reduced their
effectiveness as service composition members. Additionally, a review of the logic of both services
has revealed that some of the business rules used by the Client and Vendor services are actually the
same. What steps can be taken to improve performance and reduce redundant business rule logic?

Accepted Answer

The Rules Centralization pattern can be applied by extracting the business rule logic from the
Client and Vendor services and placing it into a new Rules service, thereby reducing the redundancy
of business rules logic. The Redundant Implementation pattern can then be applied to establish a
scalable Rules service that is capable of supporting concurrent access from many service consumers.

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