# Message Bus **Message Bus** in a nutshell is a pattern that enables communication between various components of a system by acting as an intermediary for exchanging messages. Message Bus Architecture is based on the principle of decoupling different components of a system by using a message broker for communication. And that is what Ylem is perfectly made for. Typically Message Bus implements one of the following models: * [Publish-subscribe](https://docs.ylem.co/use-cases/messaging-patterns/publish-subscribe-channel) * [Point-to-point](https://docs.ylem.co/use-cases/messaging-patterns/point-to-point-channel) Click on the links above :point\_up: to read about how both patterns can be implemented with Ylem.