说明：  MS (Microsoft Media Server protocol)协议概述： 用来访问并流式接收 Windows Media 服务器中 .asf 文件的一种协议。MMS 协议用于访问 Windows Media 发布点上的单播内容。MMS 是连接 Windows Media 单播服务的默认方法。若观众在 Windows Media
(MS (Microsoft Media Server protocol) protocol Overview: used to access and receive streaming Windows Media server. Asf file an agreement. MMS protocol is used to access the Windows Media Release point unicast content. MMS is to connect Windows Media Unicast service of the default method. If the audience in Windows Media)