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Multicast是计算机网络中的一种特殊的、高效的通信方式 ,在这种方式中 ,发送者有选择地向一组接收者发送信息。文章介绍了Multicast的通信机制 ,并以Multicast技术为基础构造了网上教学的框架和流程。
Multicast is a special, efficient way of communicating in a computer network in which senders selectively send messages to a group of recipients. This paper introduces the communication mechanism of Multicast and constructs the framework and process of online teaching based on Multicast technology.