3.1.2.7 Order Ack Send Timer

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This session-specific timer regulates the amount of time that the protocol waits before sending an Order acknowledgment to the sender. This timer is started when a UserMessage Packet ([MS-MQMQ] section 2.2.20) containing a Transaction Header ([MS-MQMQ] section 2.2.20.5) is received. This timer is restarted when additional transactional messages are received and the time elapsed since the value of the LastOrderAckSendTime ADM element is less than the value of the MaximumOrderAckDelay ADM element.

The duration of this timer MUST be set to OrderAckTimeout.