A new high-performance TCP friendly congestion control over wireless networks

被引:6
作者
Utsumi, Satoshi [1 ,2 ]
Zabir, Salahuddin Muhammad Salim [3 ,4 ]
机构
[1] Tsuruoka Natl Coll Technol, Dept Control & Informat Syst Engn, Tsuruoka, Yamagata, Japan
[2] Tohoku Univ, Cybersci Ctr, Aoba Ku, Sendai, Miyagi 980, Japan
[3] Orange Labs, Shinjuku Ku, Tokyo, Japan
[4] Waseda Univ, Grad Sch Global Informat & Telecommunicat Studies, Tokyo, Japan
关键词
Congestion control; Wireless link; Queueing delay; One-way delay; Timestamp option; SATELLITE IP NETWORKS; ALGORITHMS; PEACH;
D O I
10.1016/j.jnca.2014.02.003
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
In recent years, new delay-based congestion control mechanisms like Caia-Hamilton Delay (CHD) or Caia Delay-Gradient (CDG) are becoming popular due to their effectiveness even over wireless links. CHD and CDG are designed to behave friendly with conventional TCP NewReno flows. However, due to their delaybased window update mechanisms, CHD or CDG performance is often vulnerable to the co-existing aggressive TCP NewReno flows. In addition, in case of CHD, it is practically very difficult to choose the optimum values of tuning parameters with a view to ensuring the expected performance. In this paper, we therefore propose a new mechanism to overcome the above issues. We name it as Wireless Friendly Congestion Control (WFCC). Our objective is to devise a congestion control scheme that is (i) friendly with TCP NewReno flows over wireless links when deployed together, (ii) free from delicate operational parameters and (iii) robust against link errors under a wide range of network buffer space. We conduct a thorough evaluation of our proposed approach by simulation as well as emulation. Results show that WFCC (i) can lead up to 250% improvement in performance compared to TCP NewReno schemes and (ii) are friendly with TCP NewReno flows over wireless links. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:369 / 378
页数:10
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