Method and apparatus for applying quality of service to...

Details Method and apparatus for applying quality of service to... Method and apparatus for applying quality of service to...

2006-01-06

2008-08-05

Patel, Ajit G (Department: 2616)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S432000

Reexamination Certificate

active

07408877

ABSTRACT:
A method and apparatus for providing quality of service parameters for transmissions of multicast streams on a cable network is provided. A cable network headend connects an external network to a hybrid fiber coax or cable network. The cable network headend maintains a table of cable modems with entries associating each cable modem with one or more quality of service parameters. Virtual cable modem entries are created for multicast streams when indications of quality of service for multicast streams are received by the cable network headend. Multicast packets arriving at the cable network headend are processed using the stored quality of service parameters for the corresponding multicast stream. The multicast packets may then be transmitted, queued, or dropped depending on the specified parameters and traffic shaping or policing algorithms.

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