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Using Forwarded Calls
With call forwarding, a nested service can return a reply directly to an ATMI client without going through the first service that was called, thereby freeing the first service to handle other requests. This capability is useful when the first service is acting strictly as a delivery agent, without adding data to the reply returned by the nested service.
To facilitate call forwarding, a service called by a client uses the tpforward(3c) function to pass the request to another service Y. This is the only situation in which a BEA Tuxedo service can end a service call without calling tpreturn(3c).
Call forwarding is transparent to the client. In other words, the same client code is valid for service requests handled by one service and requests handled by more than one service.
Using Forwarded Calls
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Copyright © 2001 BEA Systems, Inc. All rights reserved.
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