WebSphere brand IBM WebSphere IP Multimedia Subsystem Connector, Version 6.2

Clustered installation of IBM WebSphere Diameter Enabler Component

IBM® WebSphere® Diameter Enabler Component utilizes horizontal and vertical clustering capabilities provided with WebSphere Application Server Network Deployment. Using clustering techniques, you can achieve a high-availability system environment.

Scaling may be vertical only, horizontal only, or a combination. For both horizontal and vertical clusters, each server must have a unique OriginHostName and a unique HostIpAddress and port number pair.

Horizontal cluster

Horizontal clusters are servers on separate physical servers. Each server must have a unique IP address. Each server may be configured to listen on the same port number. 3868 is the recommended port number because the RFC references that port for Diameter connections.

Vertical cluster

Vertical clusters are application servers on the same physical server. Each application server may have the same IP address. The IP address and TCP port combination must be unique for every cluster member. If the IP address is the same for two or more vertical cluster members, the port must be different.

Before beginning a clustered installation, the following tasks must be complete:

For the Diameter Enabler clustered installation procedure, the documentation assumes you have already created a deployment manager profile and federated all nodes into the deployment manager cell. For this installation path, you install and configure Diameter Enabler base. Then, you create the cluster and install the Web services applications into the cluster.

Additionally, you must have a proxy server for Diameter Enabler. Additional information for the proxy server is referenced when you create the cluster in the procedure.

The high-level steps for the clustered installation procedure are as follows:




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