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一、DWDM光联网技术 信息化是当代经济和社会发展的迫切需求和必然趋势,是下一世纪国家和世界经济竞争的制高点,建立一个高速、宽带、智能化的信息基础设施是国民经济发展的前提。目前,网络带宽正以每6-9个月翻一番的速度急剧增长,同时出现了各种新的基于多媒体的通信业务,对通信网络的带宽、成本和自愈恢复功能等提出了更高的要求。
I. DWDM Optical Networking Technology Informationization is an urgent need and an inevitable trend in contemporary economic and social development. It is the commanding point in the economic competition between the state and the world in the next century. It is a national economic development that a high-speed, broadband and intelligent information infrastructure should be established premise. Currently, network bandwidth is rapidly increasing at a rate of doubling every six to nine months, with various new multimedia-based communications services presenting higher levels of bandwidth, cost and self-healing capabilities for communications networks Request.