Wide area traffic: the failure of Poisson modeling
IEEE/ACM Transactions on Networking (TON)
On scheduling all-to-all personalized connections and cost-effective designs in WDM rings
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)
MPLS and traffic engineering in IP networks
IEEE Communications Magazine
Traffic grooming in WDM networks
IEEE Communications Magazine
IEEE Communications Magazine
Grooming of arbitrary traffic in SONET/WDM BLSRs
IEEE Journal on Selected Areas in Communications
Traffic grooming in an optical WDM mesh network
IEEE Journal on Selected Areas in Communications
A comprehensive study on next-generation optical grooming switches
IEEE Journal on Selected Areas in Communications
Optical networking and real-time provisioning: an integrated vision for the next-generation Internet
IEEE Network: The Magazine of Global Internetworking
Traffic grooming in WDM networks: past and future
IEEE Network: The Magazine of Global Internetworking
IEEE Network: The Magazine of Global Internetworking
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Signaling is essential in a practical network for connection establishments. Previous works on Dynamic Traffic Grooming (DTG) did not consider the signaling and related information update. The performance is poor when we incorporate the signaling requirement in previous DTG algorithms. This shows that the effect of signaling cannot be ignored in a practical network. In this paper, we discuss the effect of signaling on DTG, and propose a new technique called DTG-PRL to handle the DTG problem. In DTG-PRL, we divide the DTG into two steps: (1) pre-reserve some lightpaths based on statistical traffic observations and (2) dynamically groom the traffic based on the established virtual topology. We have developed an ILP formulation and a heuristic algorithm for the purpose. The simulation results show that the DTG-PRL outperforms previous DTG algorithms in IP Bandwidth Blocking Probability, Network Resource Utilization, Connection Setup Time and Control Message Efficiency. This demonstrates the usefulness of DTG-PRL in practical networks.