Chapter 6. The event processing network
If you have built castles in the air, your work need not be lost; that is where they should be. Now put the foundations under them.
Henry David Thoreau
The event processing network is the central concept in this book, and we start this chapter with a summary of the concept and the notation that we introduced in chapter 2 and then take a more detailed look. The EPN links two fundamental building blocks, the event producers of chapter 4 and the event consumers of chapter 5. It provides a way of modeling the processing that takes place between these producers and consumers. This intermediate processing is represented by three additional building blocks: event processing agents (EPAs), global state elements, ...
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