Integration domain level: Mediation layer

The mediation layer is part of the integration domain level and is responsible for forwarding information. It includes the most important functionality of the integration domain. Its main task is to ensure the reliable forwarding of information to business components in the process layer, or directly to building blocks in the collection/distribution layer. In more complex scenarios, the information forwarding process can be enhanced by information transformation and filtering, and so on.

Responsibility

The responsibility of the mediation layer is to forward information.

Concepts and methods

The basic requirements for the implementation of the mediation layer are listed in the following table, along with where in the book to find more information.

Requirement	Section of Chapter 1
Messaging, publish/subscribe, message brokers, and messaging infrastructure	Messaging Publish/subscribe Message broker Messaging infrastructure
ESB	Enterprise...