Joint spectrum and IT resource allocation for efficient vNF service chaining in inter-datacenter elastic optical networks
W Fang, M Zeng, X Liu, W Lu… - IEEE Communications …, 2016 - ieeexplore.ieee.org
W Fang, M Zeng, X Liu, W Lu, Z Zhu
IEEE Communications Letters, 2016•ieeexplore.ieee.orgWe study how to allocate spectrum and IT resources jointly for realizing efficient virtual
network function (VNF) service chaining in inter-datacenter elastic optical networks. We first
formulate an integer linear programming model to solve the problem exactly, and then a
longest common subsequence-based heuristic is proposed. The simulation results indicate
that the proposed algorithms can reuse the deployed VNFs efficiently and arrange the
spectrum utilization in a much more load-balanced manner.
network function (VNF) service chaining in inter-datacenter elastic optical networks. We first
formulate an integer linear programming model to solve the problem exactly, and then a
longest common subsequence-based heuristic is proposed. The simulation results indicate
that the proposed algorithms can reuse the deployed VNFs efficiently and arrange the
spectrum utilization in a much more load-balanced manner.
We study how to allocate spectrum and IT resources jointly for realizing efficient virtual network function (VNF) service chaining in inter-datacenter elastic optical networks. We first formulate an integer linear programming model to solve the problem exactly, and then a longest common subsequence-based heuristic is proposed. The simulation results indicate that the proposed algorithms can reuse the deployed VNFs efficiently and arrange the spectrum utilization in a much more load-balanced manner.
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