Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Cousin(noun) one collaterally related more remotely than a brother or sister; especially, the son or daughter of an uncle or aunt. 2  Cousin(noun) a title formerly given by a king to a nobleman, particularly to those of the council. 3  Cousin(noun) allied; akin.
As everyone has explained MSMQ is used as a queue for messages. Messages can be wrapper for actual data, object and anything that you can serialize and send across the wire. MSMQ has it's own limitations. MSMQ 1.0 and MSMQ 2.0 had a 4MB message limit. This restriction was lifted off with MSMQ 3.0.
Overview to Apache ActiveMQ. Apache ActiveMQ is a message broker which fully implements the Java Messaging Service API 1.1.It can be used by programs written Java,C/C++,.NET,PHP etc.The list of supporting platforms and languages can be read from the ActiveMQ page.MS Example using Apache ActiveMQ. In this section we are looking into a JMS example,which involves two JMS clients.First client sends a message to a queue destination. The second client retrieves the message from the queue destination.