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3.1.6.7 MessageIDHistory Cleanup Timer Event

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When the MessageIDHistory Cleanup Timer (section 3.1.2.8) expires, the protocol MUST apply the following logic, where CURRENT_TIME represents the current system time. This value is the number of seconds elapsed since midnight (00:00:00), January 1, 1970 (UTC) according to the system clock.

  • For each MessageIDHistoryEntry ADM element instance rMessageIDHistoryEntry in the MessageIDHistoryTable ADM element, if rMessageIDHistoryEntry.TimeStamp is less than CURRENT_TIME minus the MessageIDHistory Cleanup Timer duration, the MessageIDHistoryEntry ADM element instance referenced by rMessageIDHistoryEntry MUST be deleted from the MessageIDHistoryTable ADM element.

  • If the MessageIDHistoryTable ADM element is not empty, the MessageIDHistory Cleanup Timer MUST be restarted.