Method and apparatus for simulating a plurality of cable modems

Details Method and apparatus for simulating a plurality of cable modems Method and apparatus for simulating a plurality of cable modems

2006-06-06

2006-06-06

Paladini, Albert W. (Department: 2125)

Data processing: structural design, modeling, simulation, and em

Simulating electronic device or electrical system

Computer or peripheral device

C725S111000, C375S222000

Reexamination Certificate

active

07058559

ABSTRACT:
Disclosed is an apparatus and method for simulating a plurality of cable modems for testing a device, such as a head end complex. In general terms, the present invention provides a multiple cable modem simulator and techniques for setting up and executing the same. In one implementation, the multiple cable modems are simulated by simulating multiple MAC (media access control) state machines for multiple cable modems. In other embodiments, a simulator of the present invention includes a mechanism for simulating physical operating conditions of the simulated cable modems. For example, even when the simulator is located at a single test location, different distances and power levels may be simulated for the different simulated cable modems.

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Gambit Communications, Inc. “MIMIC Cable Modem Simulator”, www.gambitcomm/site/products/CableModem.shtml, Copyright 1996-2003 pp. 1-2.
SimpleSoft, Inc., “Simple Tester's DOCSIS OSS Cable Modem Test Suites-Add-on Modules for SimpleTester the Standard for SNMP Testing”, www.snmptest.com/osscm.html, printed Oct. 7, 2003, pp. 1-2.
SimpleSoft, Inc., “Product Updates”, www.smplsft.com/updates.html, printed Oct. 7, 2003, pp. 1-4.
SimpleSoft, Inc. “Simple Tester Release Notes” www.snmptest.com/stnews.html, printed Oct. 7, 2003, pp. 1-9.

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