| Publisher | University of California | ||
|---|---|---|---|
| Format | 108.0KB PDF | Date added | 13 Dec 2001 |
| Topics | Bandwidth Issues, TCP - IP | ||
| Downloads | 40 | ||
TCP Westwood (TCPW) is a sender-side only modification of TCP Reno congestion control that exploits an end-to-end bandwidth estimation mechanism to set the values of Slow-Start-Threshold and Congestion-Window after a congestion episode that is after three duplicate acknowledgments or a timeout. TCP Westwood represents an innovative variant of the AIMD mechanism called Additive Increase Adaptive Decrease (AIAD). The aim of this paper is to investigate TCP Westwood performances in the most common wireless scenarios. It will focus on utilization of wireless links by comparing Westwood vs Reno throughput. Moreover the paper studies the friendliness between TCP Westwood and TCP Reno in wireless scenarios. Simulations and measurements show that Westwood utilizes wireless links much better than Reno.
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