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Ordered switchover of cable modems

  • US 7,684,315 B1
  • Filed: 01/31/2003
  • Issued: 03/23/2010
  • Est. Priority Date: 11/08/2002
  • Status: Active Grant
First Claim
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1. A device comprising:

  • a first module configured to communicate with cable modems through a plurality of respective service flows established with the cable modems;

    a control module configured to store information identifying the respective service flows established with the cable modems; and

    a second module configured to communicate with the cable modems when the first module fails, the second module restoring the service flows from the failed first module that are identified by the stored information, the restoring being performed in a priority order determined by quality of service levels required by the service flows, where an initial flow restored for each cable modem is a primary service flow for the cable modem, where the primary service flow is used to transmit maintenance and control information.

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