| Publisher | University of California | ||
|---|---|---|---|
| Format | 96.3KB PDF | Date added | 19 Jan 2002 |
| Topics | TCP - IP, IP Technologies | ||
| Downloads | 1137  popular | ||
The purpose of this paper is to analyze and compare the different congestion control and avoidance mechanisms which have been proposed for TCP/IP protocols, namely: Tahoe, Reno, New-Reno, TCP Vegas and SACK. TCP's robustness is as a result of its reactive behavior in the face of congestion, and fact that reliability is ensured by re-transmissions. All the above mentioned implementations suggest mechanisms for determining when a segment should be re-transmitted and how should the sender behave when it encounters congestion and what pattern of transmissions should it follow to avoid congestion. This paper shall discuss how the different mechanism affect the through put and efficiency of TCP and how they compare with TCP Vegas in terms of performance.
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