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Transaction processing monitor or TP

What is a transaction processing (TP) monitor?

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A program that monitors a transaction as it passes from one stage in a process to the other. The TP monitor’s main purpose is to make sure that the transaction processes completely or, if an error takes place to take appropriate actions.

TP monitors are especially important in three-tier architectures that employ load balancing because a transaction may be forwarded to any of many servers. However, many TP monitors handle all the load balancing operations, forwarding transactions to different servers mainly based on their availability.

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