Downstream channel change technique implemented in an access network

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United States of America Patent

PATENT NO 7113484
SERIAL NO

09606503

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Abstract

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A dynamic channel change technique is disclosed which may be implemented between nodes and a Head End of an access network. Initially a network device may communicate with the Head End via a first downstream channel and a first upstream channel. When the network device receives a dynamic channel change request which includes instructions for the network device to switch to a second downstream channel, the network device may respond by switching from the first downstream channel to the second downstream channel. Thereafter, the network device may communicate with the Head End via the second downstream channel and first upstream channel. Further, according to a specific embodiment, the dynamic channel change request may also include an upstream channel change request for causing the network device to switch from a first upstream channel to a second upstream channel.

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Patent Owner(s)

Patent OwnerAddress
CISCO TECHNOLOGY INC170 WEST TASMAN DRIVE SAN JOSE CA 95134-1706

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chapman, John T Cupertino, CA 125 3123
Crocker, Daniel W San Jose, CA 15 646
Daruwalla, Feisal Y Fremont, CA 8 459
Lu, Yong San Jose, CA 285 2413
Zang, Joanna Qun San Jose, CA 6 314

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