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Internet protocol relay network for directly routing datagram from ingress router to egress router

  • US 5,996,021 A
  • Filed: 05/20/1997
  • Issued: 11/30/1999
  • Est. Priority Date: 05/20/1997
  • Status: Expired due to Term
First Claim
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1. An internetwork relay system for transmission of internet protocol traffic along a transmission path in a network from a source to a destination, said system comprising:

  • an ingress router communicating with said source and receiving said datagram from said source;

    a globally unique label identifying said destination used to forward said datagram across said network, said label attached to said datagram at said ingress router;

    a relay switch network communicating with said ingress router and receiving said datagram therefrom based on information included in said label, said switch network forwarding said datagram along said transmission path based on information included in said label; and

    an egress router receiving said datagram from said relay switch network and forwarding said datagram to said destination based on information included in said label.

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