摘要
宽带城域网是运营商持续投资的热点,是中国网络基础设施建设的重点。宽带城域网已形成固定的建设模式,一般分为骨干层、汇接层和接入层,此此,三个基础网络层上一般还有业务提供层。目前,各大运营商更关注的是如何利用宽带城域网提供富有特色的业务,从而达到盈利的目的。本文对城域网的网络结构、组网的关键性的技术问题、以及未来业务平台的建设提出了一些见解。
BoardBand MAN(Metropolitan Area Network)is the hotpoint that the carriers sustained invest,and the emphasis of infrastructure construction of Chinese network.The MAN has come into being a fixed model of construction that includes backbone layer,convergence layer and access layer,there is a service layer above these three infrastructure network layers in addition.Nowadays,all of the main carriers focus more on how to provide the colorful services by boardband MAN for operation profits.The most important topics in this article are about topology of MAN,key technology of the structure of MAN and service platform in the future.
出处
《计算技术与自动化》
2002年第4期44-48,64,共6页
Computing Technology and Automation
