Chapter 14. Highly Available Messaging Deployment

Not all organizations see messaging as a mission-critical service or for some reason decide not to implement highly available messaging. This chapter reinforces why messaging is mission-critical and needs high availability. It addresses specific issues (pros and cons) with various high-availability architectures that customers have implemented as well as some of the caveats when planning and installing messaging in a high availability environment. These lessons have been learned the hard way at various customer's sites and are found nowhere else in the documentation or technical notes.

Every year we seem to rely more and more upon our email systems. Many of the reasons were outlined in the beginning ...

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