A Study on Improving the Fairness by Dropping Scheme of TCP over ATM


KIPS Transactions on Computer and Communication Systems, Vol. 7, No. 11, pp. 3723-3731, Nov. 2000
10.3745/KIPSTE.2000.7.11.3723,   PDF Download:

Abstract

Recently, the growth of applications and services over high-speed Internet increase, ATM networks as wide area back-bone has been a major solution. The conventional TCP suite is still the standard protocol used to support upper application on current Internet and uses a window based protocol for flow control in the transport layer. When TCP data uses the UBR service in ATM layer, the control method is also buffer management. If a cell is discarded in ATM layer, one whole packet of TCP will be lost. Which is responsible for most TCP performance degradation and do not offer sufficiently QoS. To solve this problem, Several dropping strategies, such as Tail Drop, EPD, PPD, SPD, FBA, have been proposed to improve the TCP performance over ATM. In this paper, to improve the TCP fairness of end to end, we propose a packet dropping scheme algorithm using two fixed threshold. Under similar condition, we compared our proposed scheme with other dropping strategies. Although the number of VC is increased, simulation results showed that the proposed scheme can allocate more fairly each VC than other schemes.


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Cite this article
[IEEE Style]
D. C. Yuk and S. S. Park, "A Study on Improving the Fairness by Dropping Scheme of TCP over ATM," KIPS Journal (1994 ~ 2000), vol. 7, no. 11, pp. 3723-3731, 2000. DOI: 10.3745/KIPSTE.2000.7.11.3723.

[ACM Style]
Dong Cheol Yuk and Seung Seob Park. 2000. A Study on Improving the Fairness by Dropping Scheme of TCP over ATM. KIPS Journal (1994 ~ 2000), 7, 11, (2000), 3723-3731. DOI: 10.3745/KIPSTE.2000.7.11.3723.