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

doi:1005-8885 (2008) 01-0106-06

中国邮电高校学报(英文) ›› 2008, Vol. 15 ›› Issue (1): 106-111.doi: 1005-8885 (2008) 01-0106-06

• Optical Communication • 上一篇下一篇

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

黄善国;李斌;邓煜;张杰;顾畹仪

Key Laboratory of Optical Communications and Lightwave Technologies, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2007-01-13 修回日期:1900-01-01 出版日期:2008-03-31
通讯作者: 黄善国

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

Key Laboratory of Optical Communications and Lightwave Technologies, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2007-01-13 Revised:1900-01-01 Online:2008-03-31
Contact: Huang Shanguo

摘要/Abstract

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 application over heterogeneous transport networks.

关键词:

GMPLS,;LMP,;soft-protection,;bi-directional;fault;notification;relay,;intelligent;shift,;toggleable;revertive;mode

Abstract:

Key words:

GMPLS;LMP;soft-protection;bi-directional fault notification relay;intelligent shift;toggleable revertive mode

中图分类号:

TN929.11

参考文献

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4. Mannie E, Papadimitriou E. Recovery (protection and restoration) terminology for GMPLS. RFC 4427. 2004

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

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

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