| Internet is developing from a stage that the static datum content (text and vision ) playing an leading position into an comprehensive information resources library that includes static media's content and continuous media's content. Along with the promotion of network bandwidth and performance ability of computer, continuous media technology is becoming the focal point of public.The video server is the carrier and control system of continuous media content, with the rapid development of society the requirement of the function and performance is becoming higher and higher. Among them, distributed technology is the key to improve service ability and utilization efficiency of the whole system.The server system of distributed video is mainly making up of the following components: video file server, the website management server, such components as the catalogue server , etc. These components will be working together to achieve the function such as video program storage and transmission. How to adopt different media adjusting technology and congested control technology and adopt the better system structure will be the main factor of influencing systematic service ability and utilization efficiency.Thesis carry on research to the key technology which involved in the system at first, such as flow media dispatch technology, Whether a typical one at present flow algorithm , dispatcher of media , divide into two. Static dispatcher's algorithm and dynamic dispatcher's algorithm. Generally speaking, the static dispatcher's algorithm adopts the server to push the mode, but the dynamic dispatcher' s algorithm adopts the customer to draw the mode. The mode refers to the server' s pushing away: Video server does not consider user dynamic behavior but dispatcher media flow; The customer draws the mode to refer to: Dispatcher that media flow to is it urge to ask by customer at first, video server dynamic dispatcher media is it respond user ask to flow . Secondly has carried on research...
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