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The number of telephony ports and the maximum number of simultaneous calls that an MPP server can handle depend on many factors, including the hardware characteristics of the MPP server and the complexity of the applications that the Avaya Experience Portal system is running. For assistance in sizing your MPP server capacity and setting the correct value for the Maximum Simultaneous Calls parameter for each MPP server, contact your Avaya Services representative or Avaya Business Partner.
When configuring your Avaya Experience Portal system, make sure that you have enough MPP servers to handle the telephony ports that you purchase. Ideally, you should have enough reserve capacity so that when one MPP server goes out of service, all of your telephony ports can be handled by the remaining MPP servers. You must have enough MPP servers so that the sum of the maximum simultaneous calls is larger than the number of configured ports.
For example, if your Avaya Experience Portal system needs to handle 400 simultaneous calls, you must purchase 400 telephony port licenses and configure a sufficient number of MPP servers to run that many simultaneous calls.
If your Avaya Services representative or Avaya Business Partner determines that each one of your MPP servers can handle a maximum of 100 simultaneous calls, you could configure:
4 MPP servers, each with the Maximum Simultaneous Calls parameter set to 100. When Avaya Experience Portal initializes, it distributes the 400 available telephony ports across the 4 servers so that each server is running at the maximum capacity of 100 calls each and the entire system can process 400 simultaneous calls. In this configuration there is no failover capability. If an MPP goes out of service, Avaya Experience Portal cannot reassign the ports because the other 3 servers are already running 100 simultaneous calls. This means that the total number of simultaneous calls the system can handle drops to 300.
5 MPP servers, each with the Maximum Simultaneous Calls parameter set to 100. When Avaya Experience Portal initializes, it distributes the 400 available telephony ports across the 5 servers so that each server is assigned 80 telephony ports and the entire system can process 400 simultaneous calls. In this configuration, if an MPP goes out of service, Avaya Experience Portal can reassign the 80 ports to the other 4 servers, bringing those 4 servers up to their maximum capacity of 100 ports. The entire system remains capable of processing 400 simultaneous calls.
For more information about capacity and scalability specification, see Avaya Experience Portal Overview and Specification.