What Is Message Queuing ?
Message Queuing
•Message
Queuing (aka MQ) is a way for applications running on
various platforms, at various times and various servers, to communicate with
each other across heterogeneous networks that may be temporarily off-line. It
provides a form of communication between applications without the hassle of
dealing with low-level communication interfaces/protocols.
•In a
queuing environment, messages between therefor only the queuing system must be available.
After the message is put in the queuing system, it is made available by the
queuing system to the receiving
application .
•Messages are stored in queues until an application is ready to
read and process them; this is an asynchronous communications method. A
synchronous method is also possible, using the Request-Reply mechanism
This is one of important technology of Application servers and enterprise applications.
Main features of Message queuing:
Main features of Message queuing:
•1.
There are no direct connections between programs.
•2.
Communication between programs can be time-independent.
•3.
Work can be carried out by small, self-contained programs.
•4.
Communication can be driven by events.
•5.
Applications can assign a priority to a message
•6.
Security.
7. Data integrity.
7. Data integrity.
•8.
Recovery support.
Tags: JMS, Message queuing, MQ, Weblogic, Webshpere
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