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Integrating switching and facility networks using ATM

  • US 6,081,506 A
  • Filed: 11/19/1997
  • Issued: 06/27/2000
  • Est. Priority Date: 11/19/1997
  • Status: Expired due to Term
First Claim
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1. A network comprising a plurality of switches interconnected by means of β

  • links and edge nodes that connect to at least some of said switches via α

    links and also connect to apparatus outside said network, and where datagrams are launched onto said network by said edge nodes with a virtual path identifier, VPI, that is specified by said edge node and an edge node destination, the improvement comprising;

    said switches route said datagrams according to the dictates of said virtual path identifier, anda first edge node of said edge nodes that is coupled to a first switch of said switches, when launching a datagram to a second edge node of said edge nodes, employs a first VPI; and

    a third edge node of said edge nodes that is coupled to a second switch of said switches that is different from said first switch, when launching datagram to said second edge node of said edge nodes, employs said first VPI.

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