Method and apparatus for automatic congestion avoidance for...

Details Method and apparatus for automatic congestion avoidance for... Method and apparatus for automatic congestion avoidance for...

2007-04-17

2007-04-17

Vu, Huy D. (Department: 2616)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S412000, C370S465000, C370S235000

Reexamination Certificate

active

10305745

ABSTRACT:
A method and apparatus are provided for implementing automatic congestion avoidance for differentiated service flows in a communications network. A bandwidth control signal representing congestion information is identified. Responsive to the identified bandwidth control signal, dual transmit probabilities are calculated for each flow. The dual transmit probabilities include a first transmit probability for a first color and a first transmit probability for a second color. A marked color for a packet is identified. The marked packet color and the calculated dual transmit probabilities are selectively utilized for making a packet discard determination.

REFERENCES:
patent: 6870811 (2005-03-01), Barker et al.
patent: 6987732 (2006-01-01), Gracon et al.
patent: 2002/0012348 (2002-01-01), Mizuhara et al.
patent: 2003/0223366 (2003-12-01), Jeffries et al.
patent: 2003/0223368 (2003-12-01), Allen et al.

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