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称2001年为电信的宽带年,似乎并不为过。运营公司争相圈地,搅得宽带市场热闹非凡。可以预见,未来几年,宽带用户接人和宽带城域接入将持续成为市场热点。然而,在骨干信息网络建设以及信息资源开发利用取得快速发展的同时,“最后一公里”的用户接入带宽问题却成为当前网络多媒体应用的瓶颈。因此各种宽带接入技术和应用,受到业界热切的关注。
It does not seem like an exaggeration to say that the year 2001 was the broadband year for telecommunications. Rival companies competing enclosure, bustling Broadband market crowded. It can be predicted that in the next few years, access to broadband subscribers and broadband metro access will continue to be hot in the market. However, while the construction of backbone information network and the development and utilization of information resources have witnessed rapid development, the user access bandwidth problem of “last mile ” has become the bottleneck of current network multimedia applications. Therefore, a variety of broadband access technologies and applications, the industry’s eager attention.