One common requirement for all MEPs is message durability; that is the ability to preserve the message under all conditions and make sure that a message will arrive where it is supposed to.
Microsoft Message Queuing service is a proven method to provide a queue for messages to reside inside until recipients are ready to pick them up. WCF offers implicit MSMQ integration through the NetMsmqBinding which is the topic of this article…
mohamad halabi's blog 