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A new ECN2-based TCP 3-states control mechanism

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4 Author(s)
Weirong Liu ; Inst. of Autom., Chinese Acad. of Sci., Beijing, China ; Jianqiang Yi ; Dongbin Zhao ; Yanping Xiang

In wireless networks, due to temporary link outages or fading-induced bit errors, the packet loss cannot mean the congestion occurring in the network. Therefore, explicitly notifying the congestion can be an important measurement to solve congestion. ECN is one of the explicitly notifying mechanisms advocated by the Internet engineering task force (IETF). In this paper, we modify ECN mechanism so that it can provide more information for end hosts to share the bandwidth. We call the new mechanism as ECN2 that allows end hosts to more efficiently utilize resources, and ECN2 feedback information as triple feedback since it can give three different states of the link. To meet ECN2, we propose an enhanced AIMD mechanism, which can keep more stable, more robust and more prompt data transmission. We analyze the stabilization of the new enhanced AIMD mechanism by using differential equations.

Published in:

Networking, Sensing and Control, 2005. Proceedings. 2005 IEEE

Date of Conference:

19-22 March 2005