Efficient algorithms for routing dependable connections in WDM optical networks
IEEE/ACM Transactions on Networking (TON)
Survivable Networks: Algorithms for Diverse Routing
Survivable Networks: Algorithms for Diverse Routing
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
Controlled use of excess backbone bandwidth for providing new services in IP-over-WDM networks
IEEE Journal on Selected Areas in Communications
Efficient multi-layer operational strategies for survivable IP-over-WDM networks
IEEE Journal on Selected Areas in Communications - Part Supplement
A new multi-granularity grooming algorithm based on traffic partition in IP over WDM networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Multilayer Protection with Availability Guarantees in Optical WDM Networks
Journal of Network and Systems Management
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IP-over-WDM networks are starting to replace legacy telecommunications infrastructure and they form a promising solution for next-generation networks (NGNs). Survivability of an IP-over-WDM network is gaining increasing interest from both the Internet research community and service providers (SPs). We consider a novel static bandwidth-provisioning algorithm to support differentiated services in a survivable IP-over-WDM network. We propose and investigate the characteristics of both integer linear program (ILP) and heuristic approaches to solve this problem. In the heuristic method, we propose backup reprovisioning to ensure network resilience against single-node or multiple-link failures. Illustrative examples compare and evaluate the performance of the two methods in terms of capacity-usage efficiency and computation time.