WDM疏导网络中的基于连接的动态恢复

针对WDM网络中单链路出错的生存性流量疏导问题,提出了一种基于连接的动态恢复机制(DRAC).DRAC不预留任何资源,当链路出错时,通过在网络中动态的发现资源来对错误进行恢复,将一个出错连接转发到一条新的多跳路径.仿真结果显示,提出的这种动态恢复机制拥有很高的恢复概率.

Dynamic restoration at connection granularity for survivable traffic grooming in WDM networks

This paper addresses dynamic restoration to the scenario of single link failure for survivable traffic grooming in WDM mesh networks. A new scheme is presented, dynamic restoration at connection granularity (DRAC). Different from resource protection, DRAC restore failures through dynamically discovering network resources, but not through resource reservation. It routes a failed connection to a new multihop path. Simula-tion results show that the proposed scheme has a high restoration performance.