流媒体服务器是开展IPTV业务的核心设备。随着视频业务从简单的集中式网络直播、点播业务提供,到分布式流业务提供、到现在交互式视频服务、时移电视方向发展,流媒体服务器也经历了从简单到复杂,从单一功能到功能多元化,从低业务密度到高密度的转变。 Streaming media server is the core equipment for IPTV services. With the video services from a simple centralized network broadcast, on-demand business to provide distributed streaming services, and now interactive video services, time-shifted TV direction, streaming media server has gone from simple to complex, from a single function To the diversification of functions, from low-density business to high-density changes.