Protection of routers in a telecommunications network

CAFC
  • US 6,914,880 B1
  • Filed: 05/19/1999
  • Issued: 07/05/2005
  • Est. Priority Date: 04/22/1999
  • Status: Expired due to Fees
First Claim
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1. A telecommunications network, comprising:

  • plural interconnected nodes forming nodes of a telecommunications network;

    plural nodes of the interconnected nodes forming a preconfigured cycle for a specific node of the telecommunications network that is not in the preconfigured cycle, the plural nodes of the preconfigured cycle including all nodes of the telecommunications network that are directly connected to the specific node;

    each of the plural nodes in the preconfigured cycle comprising a router table, each router table identifying the plural nodes of the preconfigured cycle; and

    the nodes in the preconfigured cycle being configured such that upon failure of a node not in the preconfigured cycle, data packets routed by the nodes around the preconfigured cycle contain an ID field that identifies the preconfigured cycle of nodes, a path cost field and a data field.

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