联通、亚信、铁通纷纷构建遍及全国的视讯会务网络,表明数据流媒体(音频视频)在互联网应用中越来越多且越来越重要;另一方面语音技术的成熟,使企业网络得以迅速扩张升级,流媒体和VOIP都需要大量的带宽,进行千兆以太网的建设是应对新挑战的有效手段。 Unicom, AsiaInfo, China Railcom have all over the country to build a video conferencing network, indicating that streaming media (audio and video) in the Internet applications more and more and more important; the other hand, voice technology is mature, the rapid expansion of enterprise networks to upgrade , Streaming media and VOIP all require a large amount of bandwidth. Building Gigabit Ethernet is an effective way to deal with new challenges.