Intelligent congestion feedback apparatus and method

Details Intelligent congestion feedback apparatus and method Intelligent congestion feedback apparatus and method

2005-10-27

2010-12-28

Nguyen, Steven H (Department: 2473)

Multiplex communications

Data flow congestion prevention or control

C370S235000

Reexamination Certificate

active

07859996

ABSTRACT:
An intelligent congestion feedback apparatus and method thereof includes a source endpoint transmitting data packets, and a destination endpoint receiving the data packets, and a timer in the destination endpoint set to zero. An intermediate node detects congestion between the source endpoint and the destination endpoint. Upon congestion detection, the intermediate node marks the data packets transmitted to the destination endpoint indicative of congestion. Upon receipt of the marked data packets, the timer begins reverse counting from a preset time value to zero and a feedback loop is turned-on between the destination endpoint and the source endpoint to transmit congestion notification (CN) messages to the source endpoint contributing to the congestion.

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