Date: 29th March 2018


Relevant Service Measures - CSPC/S Round Trip Times



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Relevant Service Measures - CSPC/S Round Trip Times


  1. The Relevant Service Measures for the CSPC/S in respect of the Code Performance Measures on Target Response Times measure the Round Trip Time across the SM WAN for Test HAN Interface Commands.

  2. The Round Trip Time, for an individual Test HAN Interface Command, shall be measured as the total time taken for:

  1. a Test HAN Interface Command to be delivered from the DCC WAN Gateway Interface to a commissioned Communications Hub within the Coverage Area; and

  2. then delivered back to the DCC WAN Gateway Interface.

  1. For each Performance Measurement Period, the CSP shall attempt to deliver an equal number of Test HAN Interface Commands with a minimum total of an average of 0.5 Test HAN Interface Commands per commissioned Communications Hub within the Region.

  2. The Test HAN Interface Commands will measured against 3 target Round Trip Times:

  1. a RTT2 target Round Trip Time of 22 hours;

  2. a RTT3 target Round Trip Time of 2 hours; and

  3. a RTT4 target Round Trip Time of 25 seconds.

  1. Test HAN Interface Commands shall be distributed equally, within a margin of error agreed with the DCC, across:

  1. all days within the Performance Measurement Period;

  2. each hour in any one calendar day; and

  3. all Access Nodes.

  1. Any Test HAN Interface Command for which no response is received back, within an upper limit as agreed between DCC and the DCC Service Provider, will not be included and shall be subject to other message loss measures in accordance with the CSP performance monitoring approach.

  2. The Service Level Requirement and Target Response Time exclude the time spent within the HAN.

  3. The Service Level in respect of each Performance Measurement Period (p) and each CSPC/S Relevant Service Measure shall be;

Where:


= number of Test HAN Interface Commands successfully delivered with a Round Trip Time that met the Target Response Time

= the number of Test HAN Interface Commands successfully delivered.


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