Method and system for flexible channel association

Details Method and system for flexible channel association Method and system for flexible channel association

2008-09-16

2008-09-16

Miller, John W. (Department: 2623)

Interactive video distribution systems

Video distribution system with upstream communication

Having link to external network

C725S095000, C725S105000, C370S431000

Reexamination Certificate

active

09963671

ABSTRACT:
A supervisory communications device, such as a headend device within a cable communications network, monitors and controls communications with a plurality of remote communications devices, such as cable modems, throughout a widely distributed network. The supervisory device allocates bandwidth on the upstream channels by sending MAP messages over its downstream channel. A master-slave interface permits a second supervisory device to be connected to increase the number of available upstream channels. When one device operates as the slave device to the other, the slave device is programmable to select MAP messages from either of the master device or the slave device. A primary filter and a slave filter are provided to specify which downstream channel(s) has the authority to issue MAP messages for each available upstream channel. The filters utilizes registers to authenticate the source of the MAP messages. If properly authenticated, the MAP messages are forwarded to a parse processor to format the MAP messages, and send the MAP messages to a MAP FIFO to associate the upstream channel(s) with the appropriate source downstream channel.

REFERENCES:
patent: 6028933 (2000-02-01), Heer et al.
patent: 6041051 (2000-03-01), Doshi et al.
patent: 6765925 (2004-07-01), Sawyer et al.
patent: 6839829 (2005-01-01), Daruwalla et al.
patent: 2002/0038461 (2002-03-01), White et al.
patent: 2002/0144284 (2002-10-01), Burroughs et al.
patent: WO 01/17167 (2001-03-01), None
patent: WO 01/17167 (2001-03-01), None
European Search Report for European Application No. EP 02 25 6775, filed on Sep. 27, 2002.

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