Ad-hoc 무선망에서의 TCP 프로토콜 성능 분석

Abstract

Ad-hoc networks consist of a set of mobile hosts that communicate using wireless links, without the use of other supporting communication facilities (such as base stations, etc.). Therefore, the topology of an Ad-hoc network freguently changes due to the movement of mobile host, which may lead to sudden packet loss. Recently, the large amount of research has focused on the routing protocols needed in such an environment. However, the researches of comparison analysis on TCP versions over Ad-hoc network have not fully studied. Accordingly, in this paper, TCP Reno, Sack, and Tahoe versions are analysed using DSR protocol which is the representative On-Demand routing protocol in Ad-hoc wireless network. As the result of this simulation, we know that TCP Reno has higher throughput than Sack and Tahoe, and TCP Reno has more stable performance than TCP tahoe and Sack, regardless of the speed of mobile node and the size of topology.