SDN环境下基于MPTCP协议的切换管理

doi:10.3969/j.issn.0255-8297.2017.01.013

Abstract

Abstract:

To improve handover performance of wireless network, we use the software defned networking (SDN) architecture and propose a handover method based on the multipath transmission control protocol (MPTCP).Handover decision is made according to the proposed multiple attributes handover algorithm based on fuzzy logic.The algorithm uses the current received signal strength (RSS), forecasting RSS and available bandwidth for parameters in designing a fuzzy logic controller, and calculates parameters of membership values.Values of network performance is then calculated to make handover decision.To implement the handover manangement, we use MPTCP in the transport layer of both sides of communication.This protocol allows establishment of multiple data transmission path.Mobile equipment can use MPTCP to connect multiple access point (AP) simultaneously.When a link switching occurs, the rest of the links continue to maintain communication.To show performance of the handover mananament, we have built a OpenFlow test bed.The experimental results show that the proposed mechanism can achieve seamless handover and ensure quality of service (QoS).

Key words: mobile handover, multiple attributes handover algorithm based on fuzzy logic (FLMAHA), software defned networking (SDN), multipath transmission control protocol (MPTCP)

CLC Number:

TP393

SUN Mao-xin, QIAN Hong-yan, CHEN Bing, ZHANG Xuan. Handover Management Based on MPTCP in SDN Environment[J]. Journal of Applied Sciences, 2017, 35(1): 117-127.

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Handover Management Based on MPTCP in SDN Environment

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