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DCCP based Congestion Control Scheme to support Mobility of Devices on Ubiquitous Computing Environment  

Park Si-Yong (부산대학교 전자계산학과)
Kim Sung-Min (부산대학교 컴퓨터공학과)
Lee Tae-Hoon (부산대학교 컴퓨터공학과)
Chung Ki-Dong (부산대학교 컴퓨터공학과)
Publication Information
Journal of KIISE:Information Networking / v.33, no.1, 2006 , pp. 59-75 More about this Journal
Abstract
In this paper, we propose a congestion control scheme to control the congestion due to the mobility of ubiquitous devices on ubiquitous computing environment. Especially, this congestion control scheme provides a reverse congestion avoidance state which can classify between packet error by features of wireless network and packet dropping by congestion. Also, it provides a slow stop state which can minimize bandwidth waste due to congestion control. The proposed congestion control scheme controls more adaptive than existing congestion control schemes. The proposed congestion control scheme is designed based on DCCP(Datagram Congestion Control Protocol) being proposed by IETF(Internet Engineering Task Force) and implemented on the Linux kernel. In simulation results, the proposed congestion control scheme provides good bandwidth throughput in wireless network as well as in wired network.
Keywords
Ubiquitous Computing; Congestion Control; Mobile Computing;
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