Dynamic adaptation to congestion in connection-oriented networks

  • US 7,127,056 B2
  • Filed: 12/26/2000
  • Issued: 10/24/2006
  • Est. Priority Date: 12/26/2000
  • Status: Active Grant
First Claim
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1. A method of adaptively routing connections through a connection-oriented data network, said connection-oriented data network including a plurality of switches and a plurality of links connecting said plurality of switches, said method comprising:

  • at a given one of said plurality of switches,receiving an indication of a utilization of a trunk carried on one of said plurality of links, where said one of said plurality of links connects to said given one of said plurality of switches, wherein said utilization of said trunk corresponds to a congestion level of said trunk, andif said utilization of said trunk exceeds a first threshold, initializing a first degree of adaptation, wherein said first degree of adaptation comprises preventing new connections having specific characteristics from being established on said trunk and wherein said specific characteristics relate to whether said new connections are voice or data connections.

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