JNDI and Clustering
To achieve better scalability and high availability, J2EE services, including EJB servers and naming services, can be clustered. Clustering is when a set of identical services or components is started so that the system can be more fault-tolerant and also balance the load across the redundant services. We will only briefly mention clustering of JNDI services in this section.
→ For more of a general discussion on clustering concepts and EJB, see Chapter 22, “EJB Clustering Concepts.”
Because JNDI can also be considered a limited resource and is a point of failure for an enterprise application, the JNDI service can also be clustered.
Clustering is very dependent on the vendor implementation. Each EJB server might have different ...
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