Microsoft Message Queue Connection

About

Message Queuing (MSMQ) technology enables applications running at different times to communicate across heterogeneous networks and systems that may be temporarily offline. Applications send messages to queues and read messages from queues. The following illustration shows how a queue can hold messages that are generated by multiple sending applications and read by multiple receiving applications.

Source: https://msdn.microsoft.com/en-us/library/ms711472%28v=vs.85%29.aspx