Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 33,
  • Issue 9,
  • pp. 1828-1849
  • (2015)

Energy Efficient Virtual Network Embedding for Cloud Networks

Open Access Open Access

Abstract

Network virtualization is widely considered to be one of the main paradigms for the future Internet architecture as it provides a number of advantages including scalability, on demand allocation of network resources, and the promise of efficient use of network resources. In this paper, we propose an energy efficient virtual network embedding (EEVNE) approach for cloud computing networks, where power savings are introduced by consolidating resources in the network and data centers. We model our approach in an IP over WDM network using mixed integer linear programming (MILP). The performance of the EEVNE approach is compared with two approaches from the literature: the bandwidth cost approach (CostVNE) and the energy aware approach (VNE-EA). The CostVNE approach optimizes the use of available bandwidth, while the VNE-EA approach minimizes the power consumption by reducing the number of activated nodes and links without taking into account the granular power consumption of the data centers and the different network devices. The results show that the EEVNE model achieves a maximum power saving of 60% (average 20%) compared to the CostVNE model under an energy inefficient data center power profile. We develop a heuristic, real-time energy optimized VNE (REOViNE), with power savings approaching those of the EEVNE model. We also compare the different approaches adopting an energy efficient data center power profile. Furthermore, we study the impact of delay and node location constraints on the energy efficiency of virtual network embedding. We also show how VNE can impact the design of optimally located data centers for minimal power consumption in cloud networks. Finally, we examine the power savings and spectral efficiency benefits that VNE offers in optical orthogonal division multiplexing networks.

© 2014 OAPA

PDF Article
More Like This
Location-Aware Energy Efficient Virtual Network Embedding in Software-Defined Optical Data Center Networks

Yue Zong, Yanni Ou, Ali Hammad, Koteswararao Kondepu, Reza Nejabati, Dimitra Simeonidou, Yejun Liu, and Lei Guo
J. Opt. Commun. Netw. 10(7) B58-B70 (2018)

Energy-aware virtual network embedding in flexi-grid networks

Rongping Lin, Shan Luo, Haoran Wang, and Sheng Wang
Opt. Express 25(24) 29699-29713 (2017)

Designing an Energy-Efficient Cloud Network [Invited]

Burak Kantarci and Hussein T. Mouftah
J. Opt. Commun. Netw. 4(11) B101-B113 (2012)

Cited By

Optica participates in Crossref's Cited-By Linking service. Citing articles from Optica Publishing Group journals and other participating publishers are listed here.


Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved