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Enhancements to the fast recovery Algorithm of TCP NewReno using rapid loss detection  

김동민 (연세대학교 전기전자공학과 고성능 멀티미디어 네트워크 연구실)
김범준 (LG전자 이동통신기술연구소 표준화그)
김석규 (연세대학교 전기전자공학과 고성능 멀티미디어 네트워크 연구)
이재용 (연세대학교 전기전자공학과 고성능 멀티미디어 네트워크 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.7B, 2004 , pp. 650-659 More about this Journal
Abstract
Domestic wireless network environment is changing rapidly while adapting to meet service requirements of users and growth of market. As a result, reliable data transmission using TCP is also expected to increase. Since TCP assumes that it is used in wired networt TCP suffers significant performance degradation over wireless network where packet losses are not always result of network congestion. Especially RTO imposes a great performance degradation of TCP. In this paper, we propose DAC$^{＋}$ and EFR in order to prevent performance degradation by quickly detecting and recovering loss without RTO during fast recovery. Compared with TCP NewReno, proposed scheme shows improvements in steady-state in terms of higher fast recovery Probability and reduced response time.
Keywords
TCP; fast recovery; loss detection; wireless networks;
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