some typical WAS HA architecture

For a typical WAS HA architecture, it’s sth like the following:

WTE(Caching Proxy)<—->ND (Network Dispatcher)<–>multiple IHS <—> WAS cluster (vertically cloned WAS) <–> DB2/MQ

Each one occupies a physical machine. Pretty expensive cost, multiple points of failure if not set up correctly, each one performs its own function.

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