In addition, the heterogeneity of the Internet makes it difficult to efficiently support video multicast while providing service flexibility to meet a wide range of QoS requirements from users.
此外，因特网的异构性使得它难于在视频组播中灵活地提供服务，从而满足用户宽范围的服务质量需求。
参考来源 - 基于FGS的拥塞控制机制的研究Provided a favorable campus network circumstances,the advanced streaming media may function as a practical platform for video multicast,network teaching, video conference.
在良好的校园网络环境下,利用先进的流媒体技术来开展视频组播、网络教学、视频会议等应用有非常大的实用价值。
参考来源 - 基于校园网的视频组播系统研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
实验结果表明该方法对于视频组播应用具有较好的适应性。
Experiments show that it has better flexibility in video multicast applications.
可伸缩性视频转换编码算法是大型分层视频组播系统层次化代理自适应机制的核心技术。
Scalable video transcoding is the key technology of a adaptive mechanism for hierarchical agents in a large-scale layered video multicast.
通过比较三种不同的网络通信方式，阐述IP组播技术在嵌入式视频监控系统网络传输方面的优势。
The paper explains the advantages of IP multicast technology in the network transmission of embedded video monitoring system through comparing three kinds of different network communication ways.
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