Message Channels

A message channel is a one-way link. It connects two queue managers via message channel agents (MCAs). Its purpose is to transfer messages from one queue manager to another. Message channels are not required by the client server environment. More information on message channels can be found in the WebSphere MQ Intercommunication

Figure 4. Message channels between two queue managers
Queue manager, System A, connected to queue manager, System B, via two Message channels.