System for managing flow bandwidth utilization at network, transport and application layers in store and forward network

  • US 6,285,658 B1
  • Filed: 01/07/2000
  • Issued: 09/04/2001
  • Est. Priority Date: 12/09/1996
  • Status: Expired due to Term
First Claim
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1. A method for allocating bandwidth in a connection-less network system having an arbitrary number of flows of packets, including zero, using a classification paradigm, said allocation method comprising the steps of:

  • parsing a packet into a flow specification, wherein said flow specification contains at least one instance of any of the following;

    a protocol family designation, a direction of packet flow designation, a protocol type designation, a plurality of hosts, a plurality of ports, in http protocol packets, a pointer to a URL;

    thereupon, matching the flow specification of the parsing step to a plurality of hierarchically-recognized classes represented by a plurality of nodes, each node having a traffic specification and a mask, according to the mask;

    thereupon, having found a matching node in the matching step, associating said flow specification with one class of said plurality of hierarchically-recognized classes represented by a plurality nodes; and

    allocating bandwidth resources according to a policy associated with said class.

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