MSMQ

MSMQ - Microsoft Message Queuing

• This provides One Way Communication between Client and Server.
• In Client System(where service is consumed), MSMQ component is installed and similarly MSMQ component is installed Server system(where service is hosted).
• As this is a One Way Communication, [Operation Contract] method should not have any return type and provide attribute IsOneWay = True
• In Real Time, this MSMQ channel is used for writing some exceptions into event files where response of the service is not needed for a request.
• MSMQ provides Offline Communication. Means even though service is down for a while, messages taken by client will not be lost instead it stored the message in Queue.
• When Service is not available, giving request to service from client will not throw any exception in MSMQ. If it is HTTP, it will throw an exception.