Chapter 7. Exploring Asynchronous Integration
Overview
Asynchronous integration occurs when a number of processes integrate but do not lock for the time of the transaction on which they are integrated. In general, a caller makes a request of a server and then goes away and does its own thing. When the server finishes its part of the process, it sends the results back to the caller via a callback. This involves the caller and the server keeping information about each other in what is usually referred to as a session. It involves overhead on both sides, and as such, in large scale systems it requires careful design and usage.
In a typical scenario, asynchronous integration is appropriate where a request process takes a long period of time or if ...
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