Hierarchical cable modem clone detection

Details Hierarchical cable modem clone detection Hierarchical cable modem clone detection

2011-06-07

2011-06-07

Jagannathan, Melanie (Department: 2468)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S389000, C370S401000, C375S222000, C709S225000

Reexamination Certificate

active

07957305

ABSTRACT:
A hierarchical cable modem clone detection system: A cable modem clone detection system uses a cable modem media access control (MAC) address and physical location information such as information relating to a cable interface, upstream and downstream port numbers, fiber node information, and load balancing group descriptors to determine if a cable modem is a clone. The hierarchical approach first make a clone determination at a cable modem termination system, then at a regional operations center and finally at a network operations center.

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