An example of implementation: MQSeries
Message mode communication and processing with MQSeries

MQSeries is an IBM product family that has been developing since 1993. This product range has met with great success, as it offers a response to needs that arose following the development of client/server and distributed systems. In fact, MQSeries is available on some twenty operating systems, ranging from IBM systems (MVS, VSE, OS/400, OS/2, AIX) to non-IBM systems such as Windows/NT, HP UX, SUN Solaris, DEC, Tandem, GIS Atlantis, etc. The most complete of these in terms of performance and functionality is the product running on MVS/ESA.

Its strengths include the provision of a common programming interface (API), a high level of functionality, message integrity, performance, etc.

The MQSeries family is built around the notion of a message manager, which is nothing other than a resource manager responsible for managing queues and their messages...