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Dynamic mobile server for live casting applications

机译:用于现场直播应用程序的动态移动服务器

摘要

Live casting applications have become a popular trend in the evolution of the Internet. The increasing number of clients worldwide has made the conventional point-to-point client-server delivery method obsolete in supporting these applications. Point-to-point delivery uses unicast transmission which consumes high bandwidth as multiple duplicated streams are transmitted to clients who request for the same content. An increasing number of clients are translated directly into an increase of server workload and server network traffic. Because of that, end users suffered from bad quality of experience. In this research, Dynamic Mobile Server (DMS), a generic end-user platform of delivery mechanism has been developed to address these problems. This platform is designed to support multiple live casting applications compared to current infrastructure Content Delivery Network (CDN) and Peer to Peer (P2P) which only support live video streaming application. This mechanism consists of a web application system (application layer approach) which also involves server mobility and traffic redirection concept. Duplicated connections are minimized by confining the traffic in Local Area Network (LAN). In order to guarantee the scalability of the system, DMS uses IP multicast to stream the video in LAN. Compared to the conventional point-to-point delivery, proof-of-concept implementation (prototype) experiment results show that DMS double the bandwidth availability, and maintains excellent video quality with Peak Signal to Noise Ratio (PSNR) more than 80. Despite of the congested traffic in the network, DMS had proofed to maintain the average start-up latency to only one second.
机译:现场直播应用程序已成为Internet发展中的流行趋势。全球范围内越来越多的客户端使传统的点对点客户端服务器交付方法在支持这些应用程序中过时了。点对点传送使用单播传输,由于将多个重复的流传输到请求相同内容的客户端,因此单播传输会占用高带宽。越来越多的客户端直接转换为服务器工作负载和服务器网络流量的增加。因此,最终用户的体验质量很差。在这项研究中,动态移动服务器(DMS)是一种通用的交付机制最终用户平台,旨在解决这些问题。与仅支持实时视频流应用程序的当前基础结构内容交付网络(CDN)和点对点(P2P)相比,该平台旨在支持多个实时播报应用程序。该机制由Web应用程序系统(应用程序层方法)组成,该系统还涉及服务器移动性和流量重定向概念。通过将流量限制在局域网(LAN)中,可以最大程度地减少重复的连接。为了保证系统的可扩展性,DMS使用IP多播在LAN中流传输视频。与传统的点对点传送相比,概念验证实施(原型)实验结果表明DMS的带宽可用性提高了一倍,并以超过80的峰值信噪比(PSNR)保持了出色的视频质量。 DMS已证明,由于网络中的流量拥塞,平均启动延迟只能维持在一秒钟。

著录项

  • 作者

    Hisham Muhammad Sazali;

  • 作者单位
  • 年度 2014
  • 总页数
  • 原文格式 PDF
  • 正文语种 en
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