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Forwarding data packets using a service-based forwarding policy

  • US 9,942,152 B2
  • Filed: 03/25/2014
  • Issued: 04/10/2018
  • Est. Priority Date: 03/25/2014
  • Status: Active Grant
First Claim
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1. A computer-implemented method for forwarding a data packet in a service network, comprising:

  • sending, to a network controller, a capability of a first servicing node associated with a service address;

    sending, to the network controller, a collection of statistics data related to the capability;

    receiving an updated forwarding policy;

    receiving, from a client device of a plurality of client devices, the data packet having the service address associated with the first servicing node, the first servicing node selectively forwarding data packets to a first plurality of servers;

    identifying a classification rule of the updated forwarding policy using the service address, the classification rule including first information associated with the first servicing node and second information associated with a second servicing node, the second servicing node selectively forwarding other data packets to a second plurality of servers, the second information comprising a condition for forwarding the data packet to the second servicing node, the condition being associated with a capability of the first servicing node;

    identifying, using the updated forwarding policy, based on the first information associated with the first servicing node, that the condition comprised in the second information is satisfied;

    based on the condition, the first information, and the second information, determining the data packet is to be sent to the second servicing node;

    sending the data packet to the second servicing node; and

    providing to the network controller a second collection of statistics data related to the forwarding policy.

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