Difference between reliable messaging and reliable sessions in WCF

Difference between reliable messaging and reliable sessions in WCF

S.No	Reliable messaging	Reliable sessions
1	Reliable messaging is concerned with ensuring that messages are delivered exactly once.	Reliable session provides a context for sending and receiving a series of reliable messages.

Summary:

Reliable sessions have a dependency on reliable messaging.

We have to use reliable messaging to provide an end-to-end reliable session between a client application and a service.

So finally, both are different but related concepts.