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Dominic Schupke, Robert Prinz (2003)
Performance of path protection and rerouting for WDM networks subject to dual failuresOFC 2003 Optical Fiber Communications Conference, 2003.
S. Lumetta, M. Médard (2001)
Classification of two-link failures for all-optical networksOFC 2001. Optical Fiber Communication Conference and Exhibit. Technical Digest Postconference Edition (IEEE Cat. 01CH37171), 2
Hongsik Choi, S. Subramaniam, Hyeong-Ah Choi (2002)
On double-link failure recovery in WDM optical networksProceedings.Twenty-First Annual Joint Conference of the IEEE Computer and Communications Societies, 2
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Restoration from Multiple Faults in WDM Networks without Wavelength Conversion
G. Willems, P. Arijs, W. Parys, P. Demeester (2001)
Capacity vs. Availability Trade-offs in Mesh Restorable WDM Networks
Matthieu Clouqueur, W. Grover (2002)
Availability analysis of span-restorable mesh networksIEEE J. Sel. Areas Commun., 20
Wensheng He, M. Sridharan, Arun Somani (2002)
Capacity Optimization for Surviving Double-Link Failures in Mesh-Restorable Optical NetworksPhotonic Network Communications, 9
J. Doucette, W. Grover (2002)
Capacity design studies of span-restorable mesh transport networks with shared-risk link group (SRLG) effects, 4874
S. Lumetta, M. Médard (2001)
Classification of two-link failures for all-optical networksProc. of Optical Fiber Communication Conference and Exhibit (OFC), 2
Matthieu Clouqueur, W. Grover (2002)
Mesh-restorable networks with complete dual failure restorability and with selectively enhanced dual-failure restorability properties, 4874
Sun-il Kim, S. Lumetta (2003)
Evaluation of protection reconfiguration for multiple failures in WDM mesh networksOFC 2003 Optical Fiber Communications Conference, 2003.
Matthieu Clouqueur, W. Grover (2003)
QUANTITATIVE COMPARISON OF END-TO-END AVAILABILITY OF SERVICE PATHS IN RING AND MESH-RESTORABLE NETWORKS
D. Schupke, A. Autenrieth, T. Fischer (2001)
Survivability of Multiple Fiber Duct Failures
Matthieu Clouqueur, W. Grover (2000)
Computational and Design Studies on the Unavailability of Mesh-restorable Networks
Resilient optical networks are predominately designed to protect against single failures of fiber links. But in larger networks, operators also see dual failures. As the capacity was planned for single failures, disconnections can occur by dual failures even if enough topological connectivity is provided. In our approach the design of the network minimizes the average loss caused by dual failures, while single failures are still fully survived. High dual failure restorability is the primary aim, capacity is optimized in a second step. For WDM networks with full wavelength conversion, we formulate mixed integer linear programming models for dedicated path protection, shared (backup) path protection, and path rerouting with and without stub-release. For larger problem instances in path rerouting, we propose two heuristics. Computational results indicate that the connectivity is of much more importance for high restorability values than the overall protection capacity. Shared protection has similar restorability levels as dedicated protection while the capacity is comparable to rerouting. Rerouting surpasses the protection mechanisms in restorability and comes close to 100% dual failure survivability. Compared to single failure planning, both shared path protection and rerouting need significantly more capacity in dual failure planning.
Photonic Network Communications – Springer Journals
Published: Oct 20, 2004
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