网络组播技术 （Network Multicast Technologies） 组播指的是单个发送者对应多个接收者的一种网络通信。组播技术中，通过 向多个接收方传送单信息流方式，可以减少具有多个接收方...
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网络编码是改善组播通信性能的一种新技术。
Network coding is a new technique which can improve the performance of multicast communications.
用组播技术进行网上视频广播可以节约带宽和减轻服务器的负载，但往往由于网络互联设备不支持组播功能而不能实现。
Network video broadcast with multicast can save bandwidth and reduce the load of server, but it often can't be realized because the equipments of interlinking networks don't support multicast.
同时，也对无线移动通信网络环境下的组播技术提出更多需要考虑的因素。
At the same time, some factors which should be taken into account in multicast under wireless and mobile communication networks are put forward.
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