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Method for load balancing of requests' processing of diameter servers

  • US 8,879,431 B2
  • Filed: 05/16/2012
  • Issued: 11/04/2014
  • Est. Priority Date: 05/16/2011
  • Status: Active Grant
First Claim
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1. A method of load balancing of requests between Diameter-enabled network devices, the method comprising:

  • processing, at a signal controller in communication with a first Diameter-enabled network device and a second Diameter-enabled network device, request handling capacity of at least the second Diameter-enabled network device;

    allocating, at the signal controller, one or more tokens for inbound requests from the first Diameter-enabled network device to the second Diameter-enabled network device;

    notifying the second Diameter-enabled network device of the one or more allocated tokens for handling a corresponding number of requests from the first Diameter-enabled network device;

    coordinating, at the signal controller, transmission of the corresponding number of requests from the first Diameter-enabled network device to the second Diameter-enabled network device via the signal controller;

    detecting, at the second Diameter-enabled network device, an overload condition in the second Diameter-enabled network device; and

    notifying the signal controller to allocate zero tokens to the second Diameter-enabled network device, wherein the signal controller does not send any further requests to the second Diameter-enabled network device.

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