Volume 116, Number 1, October 2016
|Number of page(s)||7|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||16 November 2016|
Bandwidth turbulence control based on flow community structure in the Internet
1 Beijing Laboratory of Advanced Information Networks, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications - Beijing 100876, China
2 Beijing Advanced Innovation Center for Future Internet Technology, Beijing University of Technology Beijing 100124, China
3 State Key Lab of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications - Beijing 100876, China
Received: 10 July 2016
Accepted: 22 October 2016
Bursty flows vary rapidly in short period of time, and cause fierce bandwidth turbulence in the Internet. In this letter, we model the flow bandwidth turbulence process by constructing a flow interaction network (FIN network), with nodes representing flows and edges denoting bandwidth interactions among them. To restrain the bandwidth turbulence in FIN networks, an immune control strategy based on flow community structure is proposed. Flows in community boundary positions are immunized to cut off the inter-community turbulence spreading. By applying this control strategy in the first- and the second-level flow communities separately, 97.2% flows can effectively avoid bandwidth variations by immunizing 21% flows, and the average bandwidth variation degree reaches near zero. To achieve a similar result, about 70%–90% immune flows are needed with targeted control strategy based on flow degrees and random control strategy. Moreover, simulation results showed that the control effect of the proposed strategy improves significantly if the immune flow number is relatively smaller in each control step.
PACS: 89.20.Hh – World Wide Web, Internet / 89.70.Hj – Communication complexity / 89.75.Fb – Structures and organization in complex systems
© EPLA, 2016
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