无论你是否喜欢,煤介公司们正在把 Internet 转变成下一代伟大的广播媒体。迪斯尼公司正在为其制作的影片进行多点广播的测试;NBC 宣布计划近几个月内将在 nbc.com 上推出一种新的视频节目服务。而根据 BRS 媒介咨询公司的报告,在 Intemet 上推行24小时广播的广播电台已从去年的351家猛增到今年的1100多家。对于这些公司来说,Internet是一个很大的商机,但现已十分拥挤的 Internet 能否再处理所有这些视频和音频的数据呢?按照人们的观点,Internet 广播有可能带来新的收入,亦有可能将速度已经很慢的 Internet 塞得水泄不通。为什么 Internet 广播变成了如此热门的话题?主要原因之一就是 IP 多点广播技术的成熟。使用这一技术,音频和视频数据流可以在被复制和传送到需要这些数据的终端之前在 IP 网上输送,直到最后一站。另一种效率稍差的方式是单点广播,服务器为每一个终端都发出不同的数据流。迄今为止,网上广播的规模仍旧很 Whether you like it or not, coal companies are turning the Internet into the next generation of great broadcast media. Disney is testing multi-cast broadcasts of its films; NBC announced plans to launch a new video programming service on nbc.com in the coming months. According to a report by BRS Media Consulting, the number of broadcasters broadcasting the 24-hour radio on the Internet soared from 351 last year to more than 1,100 this year. For these companies, the Internet is a big business opportunity, but can the Internet now have a very crowded Internet to process all of these video and audio data again? According to the public, Internet broadcasting is likely to generate new revenue. It is possible to plug the slow Internet. Why Internet radio has become such a hot topic? One of the main reasons is the maturity of IP multicast technology. With this technology, audio and video data streams can be delivered over the IP network before being copied and delivered to the terminal that needs it, until the last stop. Another less efficient way is unicast, where the server sends different streams for each terminal. So far, the scale of webcasting remains high