SDN环境下基于MPTCP协议的切换管理

doi:10.3969/j.issn.0255-8297.2017.01.013

应用科学学报 ›› 2017, Vol. 35 ›› Issue (1): 117-127.doi: 10.3969/j.issn.0255-8297.2017.01.013

SDN环境下基于MPTCP协议的切换管理

孙茂鑫, 钱红燕, 陈兵, 张轩

南京航空航天大学计算机科学与技术学院, 南京 211106

收稿日期:2015-09-05 修回日期:2015-12-24 出版日期:2017-01-30 发布日期:2017-01-30
作者简介:陈兵,教授,博导,研究方向:计算机网络、信息安全、安全科学与工程,E-mail:cb_china@nuaa.edu.cn.
基金资助:
江苏省科技项目基金（No.BY2013095-2-10）；澳门特别行政区科学技术发展基金（No.063/2010/A）资助

Handover Management Based on MPTCP in SDN Environment

SUN Mao-xin, QIAN Hong-yan, CHEN Bing, ZHANG Xuan

College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China

Received:2015-09-05 Revised:2015-12-24 Online:2017-01-30 Published:2017-01-30

摘要/Abstract

摘要：

为提高无线切换时的网络性能，采用软件定义网络架构并提出基于多路径传输控制协议的移动切换管理方法.根据所提出的基于模糊逻辑的多属性切换算法进行切换判决，综合采用当前信号强度（received signal strength，RSS），预测RSS值以及可用带宽作为网络参数来设计模糊逻辑控制器.然后计算各参数的隶属度值，通过计算综合性能评估值进行切换判决.在切换管理的实现过程中，传输层采用多路径传输控制协议，允许建立多条传输路径传输数据.设备可利用该协议同时连接多个接入点，一条链路发生切换时其余链路继续保持通信.最后搭建了一个OpenFlow试验床来验证该切换管理方法，结果表明该方法可实现设备的无缝切换，保证用户服务质量.

关键词: 多路径传输控制协议, 模糊逻辑的多属性切换算法, 软件定义网络, 移动切换

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)

中图分类号:

TP393

孙茂鑫, 钱红燕, 陈兵, 张轩. SDN环境下基于MPTCP协议的切换管理[J]. 应用科学学报, 2017, 35(1): 117-127.

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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SDN环境下基于MPTCP协议的切换管理

Handover Management Based on MPTCP in SDN Environment

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