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Enterprise Integration with WSO2 ESB by Prabath Siriwardena

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Service Chaining (Intermediate)

Service Chaining is one of the common and popular use case for an ESB to support. To cater for a request from the client, the ESB may have to call a chain of business services. This is different from the Scatter and Gather pattern we covered before. The Scatter and Gather EIP explains how to handle a scenario where the incoming request has to be handled by multiple recipients and each recipient will reply back to form an aggregated response. Service Chaining does more intelligent decision making and simply does which is very much similar to service orchestration.

Getting ready

Let's take TravelManagementService as an example. To cater a travel arrangement request from the client, TravelManagementService has to call ...

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