IBM Message Queue Interface
IBM Message Queue Interface is a network communication technology developed by IBM in March 1992. This technology allows independent and possibly non-concurrent applications on a distributed system to communicate with each other. Message Queue Interface is available for both IBM and non-IBM applications. There are two parts to message queueing: Messages are strings of binary data that have a meaning to the participating programs. As in other communications protocols, storage, routing, and delivery information is added to the message before transmission and stripped from the message after reception. Message queues are objects that store messages in an application. A Queue Manager is a system service that provides an Application Programming Interface for the message queue and transfers messages to another queue manager through one-way message channels. There are several advantages to this technology: Messages do not depend on packet-based transmissions, such as TCP/IP. Parts of a message can be sent over several channels at the same time, speeding the transmission of larger files. Messages get delivered once and once only, which assists with reliability. IBM WebSphere MQ, previously known as MQSeries, is a suite of products which provide MQI technology. See also: Message Oriented Middleware
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