Bandwidth reservation for multiple file transfer in a high speed

Details Bandwidth reservation for multiple file transfer in a high speed Bandwidth reservation for multiple file transfer in a high speed

1997-06-03

1999-09-07

Horabik, Michael

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370234, 370395, G01R 3108, H04L 1228

Patent

active

059497580

ABSTRACT:
A method and device for transmission of data units over a communication network, particularly over a network where data units are transmitted with constant bit rate. Bandwidth reservation is optimized in the communication network for more than one file transfer within a greater time period between two dedicated end systems, running automatically without needing user interaction. The bandwidth is controlled by characterizing a given transmission path with an optimal bandwidth learned from characterization results. Based on observations of a data path during transmission phase, for instance by a packet trace, the bandwidth used and level of utilization are determined and an optimal bandwidth is stored in memory and used for a next file transfer to the same end system. The advantage of the optimization procedure is high throughput, i.e., short delay, by keeping a high bandwidth utilization with regard to low overallocation. The user does not have to estimate a vague value for the bandwidth reservation. Additionally, the system is adaptive so that a new optimal bandwidth occurs after a reconfiguration.

REFERENCES:
patent: 5289462 (1994-02-01), Ahmadi et al.
patent: 5636212 (1997-06-01), Ikeda
patent: 5848055 (1998-12-01), Fdyk et al.

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