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Switchover system and method in a data packet switching network

  • US 20030227920A1
  • Filed: 04/11/2003
  • Published: 12/11/2003
  • Est. Priority Date: 04/11/2002
  • Status: Active Grant
First Claim
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1. In a data packet switching system for transmitting data packets comprising at least a data packet identifier, through a switching arrangement comprising at least an active switch card associated to a backup switch card for simultaneously receiving at least a data packet and for transmitting said at least data packet from the active switch card and from the backup switch card to a network adapter device, a switchover system comprising:

  • active and backup means (750/850) for respectively storing at an active and backup data packet address said transmitted at least data packet;

    switchover detecting means (100/200,500) coupled to the active and backup storing means for detecting a switchover event; and

    control means (300/400,500,600) coupled to the active and backup storing means and to the switchover detecting means for setting the backup storing means when a switchover event is detected.

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