NDLI: General window-based congestion control: buffer occupancy, network efficiency and packet loss

Content Provider	IEEE Xplore Digital Library
Author	Li-song Shao He-ying Zhang Wen-hua Dou
Copyright Year	2006
Description	Author affiliation: Sch. of Comput., Nat. Univ. of Defense Technol., Changsha (Li-song Shao; He-ying Zhang; Wen-hua Dou)
Abstract	High speed networks with long distance present a unique environment where TCP have a problem under-utilizing the bandwidth of bottleneck link. To remedy this problem, many proposals, such as window-based mechanisms (HSTCP and STCP), rate-based ones (Fast TCP) and router-assistant ones (XCP), have been suggested. The recent researches show that the buffer size in routers heavily affects the performances of HSTCP, especially network efficiency. This paper studies the performances of general window-based mechanisms, such as buffer occupancy, network efficiency and packet loss. The study of buffer occupancy shows that large increment function and small buffer size will result in pseudo-congestion, from which HSTCP and slow start of TCP suffer, under-utilizing the capacity of bottleneck link. We propose asymptotic square increase (ASI) mechanism, whose increment function is an increase additive function. Not to cause pseudo-congestion, a design principle of the buffer size of routers is given for the increment function of additive increase (AI), Multiplicative Increase (MI) and ASI. In this paper, the study of network efficiency shows that the concave increase mechanisms can obtain more network efficiency at smaller cost of packet loss than additive and convex ones
Starting Page	7
Ending Page	195
File Size	235014
Page Count	189
File Format	PDF
ISBN	0769525784
DOI	10.1109/CNSR.2006.29
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-05-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bandwidth Artificial intelligence Costs Steady-state Stability Computer networks High-speed networks Proposals Internet Equations
Content Type	Text
Resource Type	Article

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