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Systematic and efficient GMPLS-based recovery mechanism with soft-protection using enhanced LMP

ISSN号：1005-8885
期刊名称：《中国邮电高校学报：英文版》
时间：0
分类：TN929.11[电子电信—通信与信息系统;电子电信—信息与通信工程]
作者机构：[1]Key Laboratory of Optical Communications and Lightwave Technologies, Beijing University of Posts and Telecommunications, Beijing 100876, China
相关基金：This work is supported by the National Natural Science Foundation of China （60372096）, the Program for Century Excellent Talents in University （NCET-05-0112） and the Hi-Tech Research Development Program of China （2006AA01Z244）.

作者： HUANG Shan-guo LI Bin DENG Yu ZHANG Jie GU Wan-yi[1]

关键词：光纤通信, 通信技术, 通信网络, 通信协议, GMPLS, LMP, soft-protection, bi-directional fault notification relay, intelligent shift, toggleable revertive mode

中文摘要：

概括多协议标签切换(基于 GMPLS ) 保护和恢复技术将在下一代的宽带 IP 起重要作用保证 survivability 的网络。在这篇文章，系统的基于 GMPLS 的恢复机制用提高的连接管理协议(LMP ) 被建议，它能更有效地支持双向差错通知接力赛。在这篇文章的主要贡献和提议包含：1 ) 为有优化路由的更高的资源利用的软保护的配置；2 ) 从保护举止的聪明的移动到为恢复的减小的恢复举止潜伏；并且 3 ) 增加恢复灵活性并且减少稳定性的损失的可翻转的 revertive 模式。另外，由利用，包括的珍贵遗产分享了处理的风险连接组(SRLG ) 和快变更旅程技术，建议恢复机制完成更高的资源利用，快、柔韧的操作，令人满意的稳定性和灵活性，并且在在异构的运输网络上的应用程序是方便的。

英文摘要：

generalized multi-protocol label switching （GMPLS- based） protection and restoration technologies will play significant role in next-generation broadband IP network to ensure the survivability. In this article, a systematic GMPLS-based recovery mechanism is proposed using enhanced link management protocol （LMP）, which can support bidirectional fault notification relay more effectively. The major contributions and propositions in this article involve： 1） Soft-protection configuration for higher resource utilization with optimized routing; 2） Intelligent Shift from protection manner to restoration manner for the reduction of recovery latency; and 3） Toggleable revertive mode to increase restoration flexibility and to reduce loss of stability. Additionally, by leveraging valuable legacy including shared risk link group （SRLG） processing and fast reroute technique, the proposed recovery mechanism achieves higher resource utilization, fast and robust operation, satisfactory stability and flexibility, and is convenient in the apphcation over heterogeneous transport networks.

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