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Cable modem termination system

  • US 7,161,945 B1
  • Filed: 08/30/2000
  • Issued: 01/09/2007
  • Est. Priority Date: 08/30/1999
  • Status: Expired due to Fees
First Claim
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1. A cable modem termination system, said system comprising:

  • a media access controller;

    at least one physical layer transceiver in connection with said media access controller for receiving and transmitting data;

    a CPU interface configured to communicate with a CPU; and

    a network functions module in communication with said media access controller and said CPU interface, wherein the network functions module comprising an upstream flow module for providing quality of service for upstream packet flows, a bridging and routing module for performing bridging of packets to a downstream flow module and for routing the packets to and from a bus and the downstream flow module for providing quality of service for incoming packet flows and for wrapping outgoing packets, the downstream flow module comprising a rule module,wherein said network functions module is configured to conduct flow management and classification functions upon packets traveling through said media access controller and wherein the downstream flow module determines whether or not to wrap outgoing packets with control information.

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