IP城域网建设策略和模式探讨  

The Construction Strategy and Mode Discusses of IP MAN

作　　者：罗红艳[1] 

机构地区：[1]苏州工业职业技术学院,江苏苏州215014

出　　处：《信息技术与信息化》2012年第6期20-23,共4页Information Technology and Informatization

摘　　要：互联网应用环境巨变造成当前"端到端透明"的IP城域网面临网络安全、可扩展性和服务质量等多方面的问题。文章基于新一代IP城域网结构的设计理念、设计原则,通过分析从接入层光缆网、城域接入网、城域骨干网在新一代互联网体系结构的设计原则,最终建设一个网络结构简洁、层次清晰、业务扁平化、链路有保护IP城域网。Internet application environment changes caused by the ＂end-to-end transparent＂ IP MAN facing network security, scalability and quality of service and many other issues. Article is based on the structure of a new generation of IP MAN design concepts, design principles, by analyzing the fiber-optic network from the access layer, metro access networks, metro backbone network in the next-generation Internet architecture design principles, and ultimately build a network structure is simple The level of clarity, business fiat, link the protection of IP MAN.

关 键 词：城域接入网 城域骨干网 全业务路由器(SR) 宽带接入服务器(BAS) 光缆终端设备OLT 接入点(POP)保护倒换 

分 类 号：TN915.6[电子电信—通信与信息系统]