ESB and Messaging

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Integrating Service-Oriented Business Rule Execution with an Enterprise Service Bus

Key Points

  • Many ESB implementations require complex business rules to be integrated across several disparate systems
  • Rule execution occurs only on the Business Rule Server(s)
  • Rule execution can scale-out with demand by spreading load across a server farm
  • A single, generic, rule-processing endpoint can be reused for many different types of messages for many different business problems
  • XML or JSON state is passed in the request and the response usually contains modified state and/or related messaging
  • In scale-out and high-availability scenarios, a load balancer can be used to spread message requests across a farm of servers
  • InRule can be used to call back into other resources exposed by the service bus


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