计算机与现代化

• 软件工程 • 上一篇    下一篇

视频监控联网系统中云媒体服务器的架构研究与设计

  

  1. 1.公安部第一研究所信息技术研发一部,北京100048;2.北京邮电大学计算机系,北京100048
  • 收稿日期:2014-08-20 出版日期:2014-11-03 发布日期:2014-11-05
  • 作者简介:王鑫(1981-),男,北京人,公安部第一研究所信息技术研发一部工程师,硕士,研究方向:SIP视频监控联网,安防监控大联网媒体服务共享; 常静坤(1988-),男,河南焦作人,硕士,研究方向: SIP服务,服务计算,云计算。 b

Architecture of Cloud Media Server in Video Surveillance Networking System

  1. 1. First Department of Information Technology Research and Development, First Research Institute of Public 
    Security of PRC, Beijing 100048, China;
    2. Department of Computer Science and Technology, Beijing University of Posts and Telecommunications, Beijing 100048, China
  • Received:2014-08-20 Online:2014-11-03 Published:2014-11-05

摘要: 在视频监控联网系统中,传统独立部署的媒体服务器存在因并发导致的I/O负载严重、网络带宽不足以及负载分配不均等诸多问题。云媒体服务器将整体的调度、统一的管理和性能的优化融为一体,可实现资源利用的最优化和性能提升的最大化。本文研究并设计云媒体服务器的整体架构,基于此架构对服务器集群中媒体服务器的负载评判方法进行了设计。实验结果表明,相对于传统媒体服务架构的视频监控系统,云媒体服务器可较好地实现对业务的负载均衡、容错切换等功能,可以应对媒体服务器中对视频源的突发高并发访问。

关键词: 云媒体, SIP, 负载均衡, 媒体服务器, 负载评判方法

Abstract: In Video Surveillance Networking System, the traditional independent deployed media servers have many problems caused by concurrency of access including serious I/O load, insufficient network bandwidth, uneven distribution of load and so on. By the combination of overall scheduling, unified management and performance optimization, the cloud based media server can maximize the performance and resource utilization. The overall architecture of cloud media server was designed and the load evaluation method of the media server in server cluster was also designed based on this architecture. The experimental results show that compared with the traditional media server architecture, the cloud media server can handle the load balancing and fault tolerance switching well. It can deal with the sudden high concurrent access to the video sources of media servers.

Key words: cloud media, SIP, load balance, media server, load evaluation method

中图分类号: