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Shared Risk Resource Groups and Survivability in Multilayer Networks
2006 International Conference on Transparent Optical Networks
Failure resilience is a desired feature of the Internet. Most traditional restoration architectures are designed assuming single failure cases, which is not adequate in present day multilayer networks. Multiple link failure models, such as Shared Risk Link Groups (SRLG), Shared Risk Node Groups (SRNG), and more generally Shared Risk Resource Groups (SRRG), are becoming critical in survivable network design. These shared risk models have been unified through the notion of colored graphs. In thisdoi:10.1109/icton.2006.248442 fatcat:yp62l5xdybbote7wofird5e2b4