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Distributed route server

DC
  • US 6,069,895 A
  • Filed: 08/29/1997
  • Issued: 05/30/2000
  • Est. Priority Date: 08/29/1997
  • Status: Expired due to Term
First Claim
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1. A network route server with a scalable switching architecture, comprising:

  • a route server element with which a node identity in the network is associated, the route server element including processor means for creating a routing table for the route server using a topology database and a routing algorithm, the route server element periodically copying the routing table to each of a scalable array of packet processing elements associated with the route server element;

    each packet processing element having a link-port interface to the network, memory means for storing a copy of the routing table, and processor means for using the copy of the routing table to route packets received by the packet processing element, each packet processing element being enabled to autonomously route packets received by the packet processing element by referencing the copy of the routing table; and

    a switch fabric for the switching of packets between the packet processing elements in accordance with routing information provided by the packet processing elements, the scalable array of packet processing elements having an aggregate capacity that is scalable to a capacity of the switch fabric.

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