Controlling packet congestion

Details Controlling packet congestion Controlling packet congestion

2005-01-12

2009-12-22

Rao, Seema S (Department: 2416)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S252000

Reexamination Certificate

active

07636308

ABSTRACT:
A packet congestion control technique employs an Active Flow Random Early Drop (AFRED) method to provide a service requiring a predetermined bandwidth with a stable Quality of Service (QoS) even when network congestion occurs. The packet congestion control technique includes: receiving at least one packet flow; defining identifiers for the received at least one packet flow; numbering each of the defined at least one packet flow; calculating a queue length of each of the at least one packet flow; allocating a maximum queue threshold value, a minimum queue threshold value, and a maximum probability value of each of the at least one packet flow; and dropping or accepting an incoming packet of a flow according to the calculated packet drop probability upon a queue length of a currently received packet being between the maximum queue threshold value and the minimum queue threshold value.

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