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新一代智能城域光网络

The New Generation of Intelligent Metro Optical Networks
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摘要 本文介绍了一种标准化的光控制平面。光控制平面被分解成邻居发现、服务发现、连接控制和拓扑/资源发现等几个基本的过程。不同的网络组织和分割导致了几个不同的自动配置模型 :软性持久链路模型、用户接口模型和对等模型。最后还介绍了基于SDH光交换的新一代CIENA公司智能光网络 ,它具有大容量光交换能力和网络拓扑结构自动发现、端对端电路配置、带宽动态分配等功能及特点 ,将大大提高数据。 This article presents a standardized optical network control plane,the optical control plane is decomposed into the fundamental processes of neighbour discovery,service discovery,connection control,and topology/resource discovery. Different network organizations and partitioning result in several different automated provisioning models:soft permanent circuit,the user network interface and peer. This article also introduces the new generation of intelligent optical networks by CIENA.It is characterized by large capacity of optical switch,automated topology discovery,port-to-port circuit provision and dynamic distribution of bandwidth ,which will greatly improve the QoS of data and circuit.
作者 范忠礼
机构地区 南京邮电学院
出处 《电信科学》 北大核心 2002年第6期19-23,共5页 Telecommunications Science
关键词 智能城域光网络 智能网 分布式网络智能 DWDM 城域网 control plane,automated provisioning,route protocol,distributed network intelligent,DWDM, metro network
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