Date Added: Nov 2009
Telecommunication networks spanning large areas are subject to various failures, such as natural disasters, operation errors, and malicious attacks. Disaster Failures (DF) are defined as failures which can lead to a large-area malfunction of a network, and which can significantly degrade the performance of backbone telecom mesh networks. A survivable network provisioning scheme that can differentially recognize and address multiple levels of network failures, including disaster failures, is desirable for the future Internet. The authors study the characteristics of multiple failures in telecom mesh networks, such as optical Wavelength-Division Multiplexed (WDM) networks.