Deploying and Managing IP over WDM Networks
Deploying and Managing IP over WDM Networks
Routing, Flow, and Capacity Design in Communication and Computer Networks
Routing, Flow, and Capacity Design in Communication and Computer Networks
Integrated Multi-layer Network Survivability Based on GMPLS to Improve Fault Recovery Time
ICCET '09 Proceedings of the 2009 International Conference on Computer Engineering and Technology - Volume 02
A study on layer correlation effects through a multilayer network optimization problem
Proceedings of the 23rd International Teletraffic Congress
Resilience in multilayer networks
IEEE Communications Magazine
Intelligent optical networking for multilayer survivability
IEEE Communications Magazine
A joint resilience scheme with interlayer backup resource sharing in IP over WDM networks
IEEE Communications Magazine
Fault management in IP-over-WDM networks: WDM protection versus IP restoration
IEEE Journal on Selected Areas in Communications
Survivable MPLS Over Optical Transport Networks: Cost and Resource Usage Analysis
IEEE Journal on Selected Areas in Communications
IP restoration vs. WDM protection: is there an optimal choice?
IEEE Network: The Magazine of Global Internetworking
Study on a joint multiple layer restoration scheme for IP over WDM networks
IEEE Network: The Magazine of Global Internetworking
Editorial: Reliable network-based services
Computer Communications
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Multilayer network design has received significant attention in current literature. However, the explicit modeling of IP/MPLS over OTN over DWDM in which the OTN layer's technological constraints are specifically considered has not been investigated before. In this paper, we present an optimization design model for protecting an IP/MPLS over OTN over DWDM three-layer network. While considering the technological constraints of each layer, we provide a protection mechanism at each layer that guarantees the multilayer network survivability when three links fail simultaneously where each layer suffers a single failure. We present a heuristic approach to reduce the complexity of the problem and present a study based on varying several network parameters to understand their impacts on the protection capacity and the overall network cost. In addition, we present and solve three variations of our original model where we exclude each layer protection in each one of them to compare the cost performance of all models. We observe that generally the DWDM layer protection is the most expensive capacity component. The IP/MPLS layer protection becomes more expensive only when the IP/MPLS unit cost is high.