Understanding high availability with WebSphere MQ

This article helps you understand the pros and cons of the possible high availability solutions and will help you decide which solution is right for you.

Mark Hiscock (mark.hiscock@us.ibm.com), Software Engineer, EMC

Mark Hiscock joined IBM in 1999 while studying at the same time for his Computer Science degree. He has worked in the Hursley Park Laboratory in the United Kingdom testing IBM's middleware suite of applications from WebSphere MQ Everyplace to WebSphere Business Integration Message Brokers. He now works as a customer scenarios tester for WebSphere MQ and WebSphere Business Integration Message Brokers, basing his testing on real world customer scenarios.



Simon Gormley (sgormley@uk.ibm.com), Software Engineer, EMC

Simon Gormley joined IBM in 2000 as a software engineer, and works at the Hursley Park Laboratory in the United Kingdom. He is currently working in the WebSphere MQ and WebSphere Business Integration Brokers test team, and focusing on recreating customer scenarios to form the basis of tests.



11 July 2005 (First published 11 May 2005)

This article helps you understand the pros and cons of the possible high availability solutions and will help you decide which solution is right for you.

With an ever increasing dependence on IT infrastructure to perform critical business processes, the availability of this infrastructure is becoming more important. The failure of an IT infrastructure results in large financial losses. The solution to this problem is careful planning to ensure that the IT system is resilient to any hardware, software, local, or system wide failure. This capability is termed "resilience computing", which addresses the following topics:

  • High availability
  • Fault tolerance
  • Disaster recovery
  • Scalability
  • Reliability
  • Workload balancing and stress

This article addresses the most fundamental concept of resilience computing, high availability. It explains how you can easily configure and achieve high availability using IBM's enterprise messaging product, WebSphere® MQ V5.3 and later.

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