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System and method for detecting failures and re-routing connections in a communication network

  • US 20030112748A1
  • Filed: 12/17/2001
  • Published: 06/19/2003
  • Est. Priority Date: 12/17/2001
  • Status: Active Grant
First Claim
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1. A method of re-establishing a connection for a communication link, said communication link having a first portion in a first communication network, a second portion in a second communication network and an interface connecting said first portion to said portion, said first communication network having a first communication protocol and a first OAM protocol adapted to monitor integrity of said first portion, said second communication network having a second communication protocol and a second OAM protocol adapted to monitor integrity of said second portion, said method comprising:

  • utilizing said second OAM protocol to detect a failure in said second portion;

    upon detection of said failure, identifying an alternate route for said second portion in said second communication network, said alternate route being able to complete said second portion of said communication link from said interface; and

    for said communication link, at said interface replacing said second portion with said alternate route.

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