Enterprise Integration Patterns

Enterprise Integration Patterns is a book by Gregor Hohpe and Bobby Woolf which describes 65 patterns for the use of enterprise application integration and message-oriented middleware in the form of a pattern language. == The integration (messaging) pattern language == The pattern language presented in the book consists of 65 patterns structured into 9 categories, which largely follow the flow of a message from one system to the next through channels, routing, and transformations.

Source: Wikipedia — Enterprise Integration Patterns (CC BY-SA 4.0)