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Performance Evaluation of Adaptive Rate Control (ARC) for Burst Traffics over ATM network


Surasee Prahmkaew, Chanintorn Jittawiriyanukoon


Vol. 6  No. 1  pp. 78~84


The paper presents an Adaptive Rate Control (ARC) implemented to improve the performance of high-speed network to handle burst traffic by guaranteeing the cell loss ratio (CLR) for all cell streams. First, the cases in which a Tahoe, Reno, New Reno, SACK and Plain schemes are applicable in peak-cell-rate (PCR) are discussed. The ARC improves the performance by regulating the increment (up) and the decrease (down) of window size (flow control). Incoming traffic rate, number of cell drop, preset size of the window and estimated delay time are taken into account for this regulation. Simulations are used to investigate how Tahoe, Reno, New Reno, SACK and Plain can conduct, as congestion existed. Then we compare these results from four schemes to the “Plain” scheme (no flow control applicable) and to the proposed ARC. By altering windows size for the mentioned six schemes, we can obtain the supportive results.


ARC, Tahoe, Reno, New Reno, SACK, Sliding windows