An analytical model for virtual topology reconfiguration in optical networks and a case study

X Yang, B Ramamurthy - Proceedings. Eleventh International …, 2002 - ieeexplore.ieee.org
Proceedings. Eleventh International Conference on Computer …, 2002ieeexplore.ieee.org
An analytical model for virtual topology reconfiguration (VTR) in optical networks is
developed. It aims at the optical networks with a circuit-based data plane and an IP-like
control plane. By identifying and analyzing the important factors impacting the network
performance due to VTR operations on both planes, we can compare the benefits and
penalties of different VTR algorithms and policies. The best VTR scenario can be adaptively
chosen from a set of such algorithms and policies according to the real-time network …
An analytical model for virtual topology reconfiguration (VTR) in optical networks is developed. It aims at the optical networks with a circuit-based data plane and an IP-like control plane. By identifying and analyzing the important factors impacting the network performance due to VTR operations on both planes, we can compare the benefits and penalties of different VTR algorithms and policies. The best VTR scenario can be adaptively chosen from a set of such algorithms and policies according to the real-time network situations. For this purpose, a cost model integrating all these factors is created to provide a comparison criterion independent of any specific VTR algorithm and policy. A case study based on simulation experiments is conducted to illustrate the application of our models.
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