You can use intermediary nodes with Web Services Atomic Transactions (WS-AT) or Web Services Business Activities (WS-BA) to support the exchange of associated requests across firewalls and outside the WebSphere® Application Server domain. You configure WebSphere Application Server to use an intermediary node by specifying the external endpoint URL information for the intermediary node in each server that is accessed through the intermediary.
Configure the intermediary to listen on a specific port for protocol messages and to route these messages to the specific WebSphere Application Server instance that you want to enable. See the related information for an example configuration where an IBM® HTTP server is the intermediary.
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