Method and apparatus providing rapid end-to-end failover in a packet switched communications network

Method and apparatus providing rapid end-to-end failover in a packet switched communications network

  • CN 1,716,912 A
  • Filed: 06/30/2005
  • Published: 01/04/2006
  • Est. Priority Date: 06/30/2004
  • Status: Active Grant
First Claim
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1. , a kind of communication network node that in the process that the bag relevant with at least one communication session that provides by communication network is provided, carries out one of packet switch and route, described network node comprises:

  • A. hardware grader is used for one of the packet of at least one reception and at least one heartbeat packet are associated with a communication stream corresponding to communication session;

    B. a hardware heartbeat processor is used for determining that based on the information that obtains from described at least one heartbeat packet described communication stream is subjected to the influence of a network failure;

    AndC. a hardware failure shift module is used for forwarding each packet relevant with described affected communication stream to a failover transmission path.

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