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光网络中的波带交换技术
引用本文:周瑜莉,曾庆济,张治中.光网络中的波带交换技术[J].半导体光电,2004,25(1):57-61.
作者姓名:周瑜莉  曾庆济  张治中
作者单位:上海交通大学,宽带光网络研发中心,上海,200030
摘    要:波分复用光网络已成为广域骨干网最可行的体系解决方案.波带交换(WBS)因其能减小光交叉连接器的端口数、控制复杂性和连接费用等,引起了广泛的关注.文章指出了WBS和传统波长路由的不同之处,对WBS的两种多粒度光交叉连接器结构进行了分析.文中还提出了基于WBS的各种方案和光路成组策略,讨论了WBS网络中的波带转换和故障恢复问题.

关 键 词:波分复用  波带交换  多粒度  光交叉连接器  波长路由  光网络  波带交换  交换技术  Optical  Networks  问题  故障恢复  转换  组策略  光路  分析  结构  多粒度  波长路由  光交叉连接器  控制  端口  方案  体系  骨干网  广域
文章编号:1001-5868(2004)01-0057-05
修稿时间:2003年7月23日

Waveband Switching in Optical Networks
ZHOU Yu-li,ZENG Qing-ji,ZHANG Zhi-zhong.Waveband Switching in Optical Networks[J].Semiconductor Optoelectronics,2004,25(1):57-61.
Authors:ZHOU Yu-li  ZENG Qing-ji  ZHANG Zhi-zhong
Abstract:WDM optical networks have emerged as the most feasible architectural solution for wide area backbone networks. Waveband switching (WBS) has attracted much attention for its practical importance in reducing the port count, associated control complexity and cost of OXC. In this article, the difference between WBS and traditional wavelength routing is given and two types of multi-granularity optical cross-connect (MG-OXC) architectures are analyzed. Various WBS schemes and lightpath grouping strategies are presented, and issues related to waveband conversion and failure recovery techniques in WBS networks are discussed.
Keywords:wavelength-division-multiplexed (WDM)  waveband switching (WBS)  multi-granularity  optical cross-connect (OXC)  wavelength routing
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