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Techniques for load balancing over a cluster of subscriber-aware application servers

  • US 20070165622A1
  • Filed: 01/17/2006
  • Published: 07/19/2007
  • Est. Priority Date: 01/17/2006
  • Status: Active Grant
First Claim
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1. A method for distributing traffic from an end node in a packet switched network to a cluster of service gateway nodes that host subscriber-aware application servers, comprising the steps of:

  • receiving a control plane message for supporting data plane traffic from a particular subscriber;

    determining a particular service gateway node among the cluster of service gateway nodes based on policy-based routing (PBR) for the data plane traffic from the particular subscriber; and

    sending a message based on the control plane message to a control plane process on the particular service gateway node, whereby data plane traffic and control plane traffic from the same subscriber are directed to one or more related gateway nodes of the cluster of service gateway nodes.

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