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Embedding Virtual Networks in Flexible Optical Networks with Sliceable Transponders

Abstract : Emerging inter-datacenter applications involving data transferred, processed, and analyzed at multiple data centers, such as virtual machine migrations, real-time data backup, remote desktop, and virtual data centers, can be modeled as virtual network requests that share computing and spectrum resources of a common substrate physical inter-datacenter network. Recent advances make flexible optical networks an ideal candidate for meeting the dynamic and heterogeneous connection demands between datacenters. In this paper, we address the static (offline) version of the virtual network embedding problem in flexible optical networks equipped with sliceable bandwidth variable transponders (SBVTs). The objective is to minimize the total number of required SBVTs in the network. An Integer Linear Programming (ILP) formulation is presented, lower bounds are derived, and four heuristics are proposed and compared. Simulation results are presented to show the effectiveness of the proposed approaches.
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https://hal.inria.fr/hal-03200652
Contributor : Hal Ifip <>
Submitted on : Friday, April 16, 2021 - 5:05:58 PM
Last modification on : Friday, April 16, 2021 - 5:38:39 PM

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Juzi Zhao, Suresh Subramaniam. Embedding Virtual Networks in Flexible Optical Networks with Sliceable Transponders. 23th International IFIP Conference on Optical Network Design and Modeling (ONDM), May 2019, Athens, Greece. pp.26-38, ⟨10.1007/978-3-030-38085-4_3⟩. ⟨hal-03200652⟩

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