Method of controlling packet flow

Details Method of controlling packet flow Method of controlling packet flow

2007-11-27

2007-11-27

Patel, Ajit (Department: 2616)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S229000

Reexamination Certificate

active

11030250

ABSTRACT:
A method of controlling packet flow through a network node in a packet-switched communication network. At least three measurements of instantaneous queue size are obtaining and utilized to determine a traffic pattern's relative shape, absolute level, and absolute context over a more extended time period. An initial estimate of a future level of congestion is made from the shape, level, and context of the traffic pattern, and is then utilized to establish initial settings for traffic control parameters. An auto-tuning process further optimizes the settings by periodically re-determining the shape, level, and context of the traffic pattern based on updated measurements of instantaneous queue size. Potential changes to the control parameters are tested at a dynamically determined interval, and are accepted only if the changes result in improvements in network performance.

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