Restoration schemes for optical and SONET/SDH-based IP networks

被引：0

作者：

Ester, Gary ^{[1
]}

T'Joens, Yves ^{[2
]}

Vandenhoute, Marc ^{[3
]}

机构：

[1] Strat. Network Planning Department, Alcatel USA, Plano, TX, United States

[2] Internet Access Group, Alcatel Corporate Research Center, Antwerp, Belgium

[3] Network Architecture Unit, Alcatel Corporate Research Center, Richardson, TX, United States

来源：

Alcatel Telecommunications Review | 2003年 / 03期

关键词：

Asynchronous transfer mode - Carrier communication - Correlation methods - Dense wavelength division multiplexing - Error analysis - Internet - Multilayers - Optical fibers - Optimization - Restoration - Time division multiple access;

D O I：

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中图分类号：

学科分类号：

摘要：

The restoration schemes for optical and Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH)-based Internet Protocols (IP) networks are discussed. The protection and restoration schemes, are important for high speed optical networks. A need for fast and dumb restoration at the physical/link layer, scoped at restoring a single span, that will operate within stringent time constraints and be transparent to the network layer is also discussed. A detailed insight into the new survivability architecture, including: improving failure detection techniques at the network layer, defining optimal operating points for the physical/link layer restoration time limit and identifying optimal selective restoration strategies, is provided.

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