# Ch11-Channel-Adapter-Abstraction

- [11.1 Channel Adapter Design Pattern](/en/ch11-channel-adapter-abstraction/11.1-channel-adapter-design-pattern.md)
- [11.2 Inbound Message Normalization](/en/ch11-channel-adapter-abstraction/11.2-inbound-message-normalization.md)
- [11.3 Outbound Message Adaptation](/en/ch11-channel-adapter-abstraction/11.3-outbound-message-adaptation.md)