Journal
JOURNAL OF NETWORK AND COMPUTER APPLICATIONS
Volume 68, Issue -, Pages 56-64Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jnca.2016.03.018
Keywords
Transmission control protocol (TCP); Congestion control; Fairness; Bandwidth delay product (BDP); Heterogeneity
Categories
Funding
- National Natural Science Foundation of China [61171089]
- Training Program of the Major Research Plan of the National Natural Science Foundation of China [91438104]
- Pre-research Project of Civil Aircraft Key Technologies under Grant MIIT [Equipment [2010]307]
- Innovative Team Construction Project of Chongqing Universities
- Graduate Students Research Program of Chongqing [CYS14005]
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The available bandwidth, round trip time (UT) and packet loss rate can vary over many orders of magnitude, which characterizes the heterogeneity of the Internet. To cope with the heterogeneity in Internet congestion control, we propose a new TCP protocol known as INVS that contains three key components: (1) INVS employs an exponential-function-based growth function of the congestion window, which is more efficient than the cubic function in CUBIC; (2) INVS introduces an adaptive increase factor into the growth function to ensure that the window growth rate matches the path condition, and this increase factor measures the path condition using a custom function of the available bandwidth and minimum RTT; (3) INVS adopts an adaptive queue threshold in the loss classification scheme to improve the performance of TCP over lossy links. In addition, INVS requires modification only on the TCP sender and traces the path capacity to enable quick convergence of the congestion window. The performance analysis and evaluation show that INVS achieves good throughput, fairness, RTT-fairness and utilization in heterogeneous networks. (C) 2016 Elsevier Ltd. All rights reserved.
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