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Frame based quality of service

  • US 6,169,748 B1
  • Filed: 10/26/1999
  • Issued: 01/02/2001
  • Est. Priority Date: 10/27/1998
  • Status: Expired due to Term
First Claim
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1. A method of providing quality of service levels to received data units, comprising:

  • assigning a plurality of virtual connections to a first quality of service group;

    associating at least a first quality of service level with said first quality of service group;

    allocating at least a first resource for processing data units received over said plurality of virtual connections, said first resource sufficient to support said first quality of service level with respect to received data units associated with said plurality of virtual connections;

    assigning at least one virtual connection to a second quality of service group, said at least one virtual connection not one of said plurality of virtual connections;

    associating a second quality of service level with said second quality of service group;

    allocating at least a second resource for processing data units received over said at least one virtual connection, said second resource sufficient to support said second quality of service level with respect to received data units associated with said at least one virtual connection;

    preventing said second resource from being used to process said received data units associated with said first quality of service group;

    receiving a request to establish a new virtual connection, said request including a third quality of service level;

    determining whether said third quality of service level is equal to said first quality of service level;

    determining whether said third quality of service is equal to said second quality of service level;

    forming, in the event that said third quality of service level is not equal to said first quality of service level and is not equal to said second quality of service level, a third quality of service group;

    assigning said third quality of service level to said third quality of service group; and

    assigning said new virtual connection to said third quality of service group.

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