支持互联网高带宽实时视频应用的网络应用性能测量方法

Method for measuring network application performance supporting internet high bandwidth real time video application

Abstract

支持互联网高带宽实时视频应用的网络应用性能测量方法,属于IPv4/IPv6互联网的双向传输性能测量技术领域,其特征在于采用模拟真实实时视频的随机数据流或真实实时视频数据流作“探针”,用户端应用系统与测量服务器相结合的基于主动模式和反射模式的网络及应用性能测量方法,客户机系统与测量服务器相结合的基于反射模式的网络及应用性能测量方法,并含有用户认证和防止DOS攻击的功能。该发明有效地实现了支持互联网上高带宽实时视频应用的网络测量方法和应用系统的互通,统一了视频应用用户,应用系统工程师和网络工程师对网络问题的描述语言,建立了全时的自动、自主测量环境,为快速找出网络传输的带宽瓶颈,进行故障诊断和解决问题提供了依据。
A network application performance measuring method which supports the application of high bandwidth real-time video of internet belongs to the technical field of bidirectional transmission performance measurement of IPv4/IPv6 internet. The invention is characterized in that a random data flow which simulates the virtual real-time video or virtual real-time video data flow is adopted as a ''probe'', a network which combines a user application system with a measuring server and is based on an active mode and a reflection mode and an application performance measuring method thereof, a network which combines the client system with the measuring server and is based on the reflection mode and the application performance measuring method thereof, and the invention has the functions of subscriberidentification and DOS attack prevention. The invention effectively realizes the intercommunication of the network measuring method which supports the application of high bandwidth real-time video and the application system. The description languages of the video application subscriber, the application system engineer and the network engineer to the network problem are unified. A real-time automatic and independent measuring environment is established. The criterion is provided for quickly finding out the bandwidth bottleneck of network transmission for diagnosing the failure and settling theproblem.

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