NDLI: A Scalable and Robust OpenFlow Channel for Software Defined Wireless Access Networks

Content Provider	IEEE Xplore Digital Library
Author	Kien Nguyen Ishizu, K. Murakami, H. Kojima, F. Yano, H.
Copyright Year	2015
Description	Author affiliation: Nat. Inst. of Inf. & Commun. Technol., Yokosuka, Japan (Kien Nguyen; Ishizu, K.; Murakami, H.; Kojima, F.; Yano, H.)
Abstract	In recent years, there has been an increasing number of Software Defined Wireless Access Network (SDWAN) proposals aiming to cope with the proliferation of mobile devices, as well as, the novel Quality of Service (QoS) demands. One of the most important issues in the SDWANs is to maintain a scalable and robust OpenFlow channel through which the network control and update information (i.e., OpenFlow traffic) are exchanged. However, the standard channel does not well support those characteristics nor does it properly conform to the SDWAN environment. This paper seeks to remedy these problems by analyzing the requirements of SDWAN's OpenFlow channel. We then propose a novel OpenFlow channel named mOpenFlow, which is not only compatible with the SDWANs but also evolved with the OpenFlow standard. The advantage of mOpenFlow is using multipath communication for conveying OpenFlow traffic. Hence, both the robustness and the achievable throughput of the OpenFlow channel is significantly enhanced (i.e., scalable). Combining with the compatibility requirement, the multipath TCP is adopted in the mOpenFlow's design. We extensively evaluate the channel's performance in SDWANs including emulated SDN devices and a real controller. The results show that mOpenFlow outperforms the standard channel both in terms of robustness and scalability.
Starting Page	1
Ending Page	5
File Size	161227
Page Count	5
File Format	PDF
e-ISBN	9781479980918
DOI	10.1109/VTCFall.2015.7390816
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Standards Robustness Scalability Wireless networks Software Mobile handsets
Content Type	Text
Resource Type	Article

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