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학술대회
E-RTO: An Enhanced TCP Retransmission Timeout Algorithm using SACK Option
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- 발행일
- 200604
- 출처
- Wireless Communications and Networking Conference (WCNC) 2006, pp.74-79
- 협약과제
- 05MD2700, DMB기반 텔레매틱스 플랫폼 기술 개발, 권오천
- 초록
- The TCP Protocol has been widely accepted as a de facto standard for reliable transport of application traffic in the Internet society. However, challenges against TCP's performance arose with emergence of wireless network and has also devised various algorithms for improving its performance in the wireless network. In this paper, we cope with spurious timeout among various challenges. One of previous works, F-RTO efficiently treats delay spike which comes from retransmission of lost packets by reliable wireless link layer, but it does not handle delay spike with segment losses efficiently. We try to give a solution to this problem by introducing E-RTO algorithm and evaluate the performance of E-RTO through simulation by using ns-2 [1]. In the experiment, we show that throughput and goodput of E-RTO are improved rather than those of F-RTO and E-RTO does not violate its friendliness with other TCPs. ©2006 IEEE.
- KSP 제안 키워드
- De facto standard, Delay spike, F-RTO, Network simulator-2(NS2), Reliable transport, Spurious timeout, TCP protocol, Wireless Link Layer, Wireless network, retransmission time-out(RTO)