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X.25 access to frame relay network

  • US 5,917,823 A
  • Filed: 02/04/1997
  • Issued: 06/29/1999
  • Est. Priority Date: 06/07/1994
  • Status: Expired due to Fees
First Claim
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1. A packet switching network supporting X-series protocol access comprising:

  • a plurality of X-series packet engines, each including a routing controller for X-series packets;

    , anda plurality of discrete trunks interconnecting said X-series packet engines for transporting packets between said packet engines under the control of said routing controller, said trunks serving as the backbone for the network and being in the form of permanent virtual connections established between pairs of said packet engines, said PVCs terminating at said packet engines of each pair; and

    said routing controllers monitoring the state of said PVCs and routing said X-series packets over said PVCs to establish communication between terminal devices connected to the network.

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