Page 149 - ITU Kaleidoscope 2016

MULTI-PATH CHUNKED VIDEO EXCHANGES OVER OF@TEIN
SDN CLOUD PLAYGROUND

2
1
Phyo May Thet , JongWon Kim , Chaodit Aswakul 1

1. Wireless Network and Future Internet Research Group, Department of Electrical Engineering,
Faculty of Engineering, Chulalongkorn University, Thailand
2. Networked Computing Systems Laboratory, School of Information and Communications,
Gwangju Institute of Science & Technology, Korea
phyo.ma@student.chula.ac.th, jongwon@nm.gist.ac.kr, chaodit.a@chula.ac.th

ABSTRACT control multi-vendor networking devices, increasing rate of
reliability and security of networks via programmability
Recent explosion of SDN (software-defined networking) with open interfaces.
paradigm is steadily facilitating the open evolution of SDN comes up with network function virtualization
legacy protocol-biased networking. In this paper, we and network orchestration which are very popular
design and develop middle-box splitting functionalities for technologies for implementing future internet
chunked video exchanges (i.e., file transfer and streaming) infrastructures. Moreover, SDN becomes a major
over multiple concurrent paths over South Korea, requirement for cloud computing service providers since
Malaysia, and Thailand parts of OF@TEIN SDN-Cloud SDN eliminates the need for manual configuration of
playground. To reduce middle-box processing delay and to distributed switches, routers and hardware devices by using
enable multi-path capacity leverage, we propose to a centralized management system. In SDN, everything is
combine the multi-path file-transfer function and Tsunami controlled by software through a single or multiple SDN
protocol. This combination allows the multi-path-based controllers. To build a SDN cloud computing
pre-fetch transfer of 4K-video chunks from Tsunami server infrastructure, OpenStack [3] becomes a popular cloud
in South Korea to Thailand’s SmartX Box. The experiment computing application due to its open source and fast
results show that the proposed scheme can reduce 23~72 emerging functionalities support for user requirements.
seconds in transferring 10-minute 4K-video file by Cloud services such as cloud video streaming, file
effectively utilizing the available international multi-path transferring are popular applications among users.
capacity. To evaluate file-transfer experiments over TCP with
SDN technology, a multi-path controller for GridFTP
Keywords— OpenFlow software-defined networking, transfer over SDN has been introduced in [4] by testing in
middle-box coordination, multi-path file transfer and both virtual and real global-scale networks. However, file-
streaming. transferring over TCP can lead to unnecessarily congested
network conditions and can cause transmission delay due
1. INTRODUCTION to retransmission and multiple acknowledgement requests.
Moreover, although multi-path TCP file-transfer method
Software-defined networking (SDN) [1] has emerged over large scale network has been introduced in [4], no
in the networking industry and standardization bodies as investigations have been made for how much transmission
the new paradigm for facilitating the evolution of delay can be decreased due to their proposed multi-path
networking protocols. SDN brings the flexible centralized TCP file-transferring over international large-scaled
network programmability and controllability to the network. This challenge has motivated us to conduct
network operators for managing the network configuration research on UDP file-transferring with SDN multi-path
easily. SDN introduces the functions of separating the technologies over an international large-scaled network.
control and data planes by open access protocol called File-transfer protocols such as UDP-based data transfer
OpenFlow [2]. SDN can lead various promising benefits to protocol (UDT) for high-speed wide area networks and
network operators, vendors and users such as centralized Tsunami file-transfer protocol via UDP and TCP without
network management, lower capital expenses, ability to using SDN have been implemented in [5] and [6].
For video streaming over SDN, multi-path chunked
This research has been supported by the Special Task Force for
Activating Research (STAR) Funding in Wireless Network and Future video streaming over emulated OpenFlow network by
Internet Research Group, Chulalongkorn University, Thailand, and is based using splitting and middle-box functionalities have been
on the collaborations of OF@TEIN project. The first author wishes also to introduced in our previous studies [7,8]. Unlike in [7,8], in
acknowledge the scholarship for International Graduate Students in ASEAN
Countries, Chulalongkorn University. this paper we propose the solutions for addressing file-

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