Timber:一个基于SDN的视频流实验研究仿真平台

IF 13.8 1区 计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Arslan Ahmad, Alessandro Floris, L. Atzori
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引用次数: 10

摘要

在本文中,我们提出了一个基于开源软件定义网络(SDN)的仿真平台Timber。我们的目标是为研究社区提供一个实验工具,用于设计和评估新的视频流体验质量(QoE)管理和监控程序。为此,Timber的主要功能包括:i)SDN应用程序,用于做出QoE意识管理决策;ii)SDN控制器,用于监控网络的QoS(服务质量)并实现网络管理动作,例如网络切片和基于多协议标签交换(MPLS)的优先级排序操作;iii)完整的视频流应用程序,包括多媒体服务器和基于DASH的客户端视频播放器;iv)在所述客户端视频播放器处的用户端探测器,用于监视QoE相关视频应用参数,所述QoE相关的视频应用参数存储在可由所述SDN应用访问的数据库中;v) 数据分析工具,使测量的QoS和QoE指标的数据可视化变得容易,并执行实验结果的统计分析。在本文中,我们介绍并描述了Timber的主要特性和功能以及实现细节。最后,我们提供了视频流场景的实验结果,以证明Timber实现和测试QoE感知管理方法的能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Timber: An SDN-Based Emulation Platform for Experimental Research on Video Streaming
In this paper, we present an open source Software-Defined Networking (SDN) based emulation platform called Timber. We aim to provide the research community with an experimental tool for the design and evaluation of the new Quality of Experience (QoE) management and monitoring procedures for video streaming. To this aim, the main functionalities of Timber include: i) an SDN application for taking QoE-aware management decisions; ii) an SDN controller to monitor the network’s QoS (Quality of Service) and implement network management actions, such as network slicing and Multiprotocol Label Switching (MPLS) based prioritization operations; iii) a complete video streaming application including a multimedia server and a DASH-based client video player; iv) a user-end probe at the client video player to monitor QoE-related video application parameters, which are stored in a database that can be accessed by the SDN application; v) data analysis tools, which enable easy data visualization of measured QoS and QoE metrics as well as execution of statistical analysis of experimental results. In this article, we introduce and describe the main characteristics and functionalities of Timber as well as the implementation details. Finally, we provide experimental results of a video streaming scenario to demonstrate the capability of Timber to implement and test QoE-aware management approaches.
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来源期刊
CiteScore
30.00
自引率
4.30%
发文量
234
审稿时长
6 months
期刊介绍: The IEEE Journal on Selected Areas in Communications (JSAC) is a prestigious journal that covers various topics related to Computer Networks and Communications (Q1) as well as Electrical and Electronic Engineering (Q1). Each issue of JSAC is dedicated to a specific technical topic, providing readers with an up-to-date collection of papers in that area. The journal is highly regarded within the research community and serves as a valuable reference. The topics covered by JSAC issues span the entire field of communications and networking, with recent issue themes including Network Coding for Wireless Communication Networks, Wireless and Pervasive Communications for Healthcare, Network Infrastructure Configuration, Broadband Access Networks: Architectures and Protocols, Body Area Networking: Technology and Applications, Underwater Wireless Communication Networks, Game Theory in Communication Systems, and Exploiting Limited Feedback in Tomorrow’s Communication Networks.
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