Dynamic wavelength routing using congestion and neighborhood information
IEEE/ACM Transactions on Networking (TON)
A novel generic graph model for traffic grooming in heterogeneous WDM mesh networks
IEEE/ACM Transactions on Networking (TON)
Dynamic grooming in IP over optical networks based on the overlay architecture
Optical Switching and Networking
Traffic grooming in an optical WDM mesh network
IEEE Journal on Selected Areas in Communications
Traffic grooming in WDM networks: past and future
IEEE Network: The Magazine of Global Internetworking
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IP over Optical networks are emerging as one of the future architectures to support the growth of the Internet by simplifying the the network structure and layering. Many evaluation works on these architectures, however, simply neglect the possible effects of a real network environment. In this paper we compare some overlay dynamic grooming algorithms in realistic scenarios from both the topology and traffic pattern point of view. As reference we present results where IP traffic is considered as constant bitrate sessions and highlight the differences between the models. Results show that the traffic model, scenario, and topology may have a larger effect than expected in grooming algorithms, specially when dynamic, reactive protocols are deployed.