sctp in ad hoc - PERFORMANCE EVALUATION OF SCTP IN MOBILE...

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Unformatted text preview: PERFORMANCE EVALUATION OF SCTP IN MOBILE AD HOC NETWORKS Ilknur Aydin Renwei Ge † Preethi Natarajan Chien-Chung Shen Department of Computer and Information Sciences † Department of Electrical and Computer Engineering University of Delaware { aydin,ge,nataraja,cshen } @eecis.udel.edu I. INTRODUCTION Mobile ad hoc networks with their unique infrastructure- less feature continue to receive more and more attentions in the vehicular technology area. Applications in such network such as time-critical safety messages or other mobile e-commerce or multimedia applications require a reliable transport layer protocol. Other than TCP, SCTP is an emerging general-purpose transport protocol for IP network communication. SCTP was originally proposed for the PSTN signaling messages across the IP networks. However, with the multi-homing and the multi-streaming features, SCTP gradually becomes popular for use by the Internet applications. Since MANET has very different characteristics from wired networks, it is important to evaluate the performance of SCTP over MANET. Several papers including [1], [2] have studied certain behaviors of SCTP in MANET and presented performance comparisons between TCP and SCTP. Due the complexity and variety of MANET and the development of SCTP, such effort has not been completed. Meanwhile, the simulation results pre- sented in those papers were obtained from the ns-2 network simulator. Different from their work, we have developed a comprehensive SCTP simulation model using the QualNet simulator [3]. By using the developed SCTP model and the QualNet simulator, this paper investigated the performance of SCTP over MANET. Section II presents the simulation environment, and results are presented in Section III along with explanations of certain results. Section IV concludes the paper. Due to the page limitation, the comprehensive performance evaluations and comparisons under different settings will appear in the full paper....
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This note was uploaded on 03/19/2012 for the course COMPUTER S 2143 taught by Professor Singh during the Spring '12 term at Punjab Engineering College.

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sctp in ad hoc - PERFORMANCE EVALUATION OF SCTP IN MOBILE...

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