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Y.1564 is an Ethernet Service Activation Test (SAM) methodology. It is an ITU-T
standard for turning up, installing and troubleshooting Ethenet-based services. It is the
only standard test methodology that allows for complete validation of Ethernet Service-Level
agreements (SLAs) in a single test. ITU-T Y.1564 is designed around three key objectives:
- To serve as a network Service Level Agreement (SLA) validation tool, ensuring that a service meets its guaranteed performance settings in a controlled test time.
- To ensure that all services carried by the network meet their SLA objectives at their maximum committed rate, proving that under maximum load, networks can support all the traffic as designed.
- To perform medium and long-term service testing, confirming that network elements can properly carry all services while under stress during a soaking period.
ITU-T Y.1564 defines an out-of-service test methodology to assess the proper configuration and performance of an Ethernet service prior to customer notification and delivery.