Tuesday, October 12, 2010

Java Messaging Service (JMS)

What is Java Message Service ?
Before jumping in to the JMS directly , it is worth to get a back ground knowledge on where we use JMS. Lets get a bit understanding on messaging system.
We know people use email to communicate with each other. When we send an email to an address of another person , we are pretty sure that , the message will be delivered to that person , since all the stuff handled by email system. So email is commonly used human to human messaging system.

Here we basically consider about how different software applications can communicate with each other using messaging systems. In many business systems, it can be found application - to - application messaging systems and they are generally identified as Enterprise Messaging Systems or Message Oriented Middleware. (MOM)
Message-Oriented Middleware, can be used to transmit messages from one application to another across a network. These Enterprise Messaging Systems ensure that messages are properly distributed among applications. Apart from that Enterprise Messaging Systems provide ;
  • Fault tolerance
  • Load balancing
  • Scalability
  • Transactional support

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