Y.1731 Ethernet OAM Ethernet Operation, Administration and Management
Round Trip Frame Delay Variation – is implemented using Frame Delay
measurement, being calculated as the difference between minimal and average (updated
each 1-minute using 60 samples collected in the minute) result. Provided in microsec
units.
For TL1 only - ML units supports configurable thresholds per each type of counter, causes
notification to be sent when any threshold is crossed.
For SNMP only - in addition to raw data of Y.1731 counters, ML units provides additional
Service Availability parameter (MEF10.2) reported for current and previous day, using
configurable via SNMP Service Availability and Unavailability criteria (by FLR %). Service
Availability result (as per MEF10.2) is normalized to configurable via SNMP Service
Availability Objective (by FLR %) criteria.
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