G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 13/37 (2006.01) H04L 12/56 (2006.01)
Patent
CA 2152332
Disclosed are methods and systems for achieving and maintaining data transmission rates in processing system networks, independent of communication between the node and the processing system network, and including techniques for data transmission initialization, data retransmission, and buffer management. Data transmission initialization includes transmitting data packets from a source node over a network at an adaptive exponential transmission rate from a current operating point to an optimal operating point. The optimal operating point is a data transmission rate wherein data buffers are neither overflowing nor under- flowing. Data retransmission includes transmitting data packets at the optimal set point, detecting the loss of a transmitted data packet as a function of a timer-less acknowledgement signal, and retransmitting the lost data packet. Buffer management includes redetermining the optimal operating point in response to unexpected changes in the data transmission bandwidth of the network, wherein detection of such changes is preferably accomplished using a dynamic set point probing procedure.
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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