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A simulation study of TCP performance in ATM networks

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3 Author(s)
Chien Fang ; Infrastructure & Networking Res. Dept., Sandia Nat. Labs., Livermore, CA, USA ; Chen, H. ; Hutchins, J.

The paper presents a simulation study of TCP performance over congested ATM local area networks. The authors simulated a variety of schemes for congestion control for ATM LANs, including a simple cell-drop, a credit-based row control scheme that back-pressures individual VCs, and two selective cell-drop schemes. The simulation results for congested ATM LANs show the following: (1) TCP performance is poor under simple cell-drop, (2) the selective cell-drop schemes increase effective link utilization and result in higher TCP throughputs than the simple cell-drop scheme, and (3) the credit-based flow control scheme eliminates cell loss and achieves maximum performance and effective link utilization

Published in:

Global Telecommunications Conference, 1994. GLOBECOM '94. Communications: The Global Bridge., IEEE  (Volume:2 )

Date of Conference:

28 Nov- 2 Dec 1994