WebSphere Embedded JMS server and WebSphere MQ high availability
In IBM WAS Network Deployment V5.1, you can create appserver clusters for scalability and high availability. However, WebSphere itself doesn't provide MDB and messaging high availability.
It is possible to make IBM WAS Network Deployment V5.1 messaging and MDBs highly available for local and remote queue manager failures and appserver failures to ensure messaging is timely processed once and only once.
In this chapter, we discuss several HA approaches (hardware clustering and software clustering, MQ clustering, and a combination of all) for both the WebSphere Embedded JMS server and external WebSphere MQ.
The content of this chapter has not changed since the previous version of this redbook.
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