Methods and apparatus for achieving and maintaining optimum tran

Details Methods and apparatus for achieving and maintaining optimum tran Methods and apparatus for achieving and maintaining optimum tran

1994-08-08

1997-05-06

Pan, Daniel H.

Boots, shoes, and leggings

39520017, 364DIG17, 364DIG2, 370232, 370236, 370394, 370468, G06F 1336, G06F 1338, G06F 13376

Patent

active

056279701

ABSTRACT:
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.

REFERENCES:
patent: 4777595 (1988-10-01), Strecker et al.
patent: 5193151 (1993-03-01), Jain
patent: 5359593 (1994-10-01), Derby et al.
patent: 5400329 (1995-03-01), Tokura et al.

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