Comparison of QoS Schemes for IP-Over-Optical Multilayer Networks
BROADNETS '04 Proceedings of the First International Conference on Broadband Networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Application of attractor selection to adaptive virtual network topology control
Proceedings of the 3rd International Conference on Bio-Inspired Models of Network, Information and Computing Sytems
Robust virtual network topology control based on attractor selection
ONDM'09 Proceedings of the 13th international conference on Optical Network Design and Modeling
Cooperation among multiple virtual topologies based on attractor superimposition
ONDM'10 Proceedings of the 14th conference on Optical network design and modeling
Constrained minimum lightpath affinity routing in multi-layer optical transport networks
Journal of High Speed Networks
Integrated routing in GMPLS-based IP/WDM networks
Photonic Network Communications
Optimized design of survivable MPLS over optical transport networks
Optical Switching and Networking
Differentiated multi-layer integrated routing in IP over WDM networks
Computer Communications
Hierarchical routing and traffic grooming in IP/MPLS-based ASON/GMPLS multi-domain networks
Photonic Network Communications
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Future transport networks will have to cope with the continuous growth of IP traffic. Furthermore, transport networks need to evolve so as to drastically reduce both deployment costs and operating expenses. A reasonable strategy to achieve this goal consists of simplifying the network architecture by reducing the number of layers. Assuming a peer model IP over optical network, we propose an integrated routing strategy that takes into account constraints and dynamic occupancy of both the IP and optical layers. The collaboration of both layers in the routing process leads to optimization of network performance. The main emphasis is on the implementation requirements of this grooming functionality using GMPLS-TE mechanisms. Simulation results show the benefits obtained by applying this strategy.