Unicasting based systems can offer the user full control over the media stream, thus are much preferable by the user. But since each stream is exclusive occupied by a single user, the cost per user is very high.
单播VOD系统能提供独立的用户交互功能,但是每个用户独占一个节目流资源,比组播共享方式的成本高。
参考来源 - 社区宽带网络中VOD软件实现·2,447,543篇论文数据,部分数据来源于NoteExpress
The latter used the RTP protocol to transmit media stream.
后者使用RTP进行实时流媒体的传输。
The media stream can be fast-forwarded or rewound, and playback can start at any point in the media.
媒体流可以快进或后退,回放可以在媒体的任何一点开始。
Packet storage in media servers can greatly improve system performance by efficiently reducing the cost of media stream creation.
在媒体服务器上采用分组存储策略可显著减少生成媒体流的系统开销,从而有效提高系统性能。
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