Cisco Global Cloud Index Projects Cloud Traffic to Nearly Quadruple Representing 92 Percent of Total Data Center Traffic by 2020. [Online]. Available: https://newsroom.cisco.com/press-releasecontent?type=webcontent&articleId=1804748
 F. Bonomi, R. Milito, J. Zhu, and S. Addepalli, “Fog computing and its role in the internet of things,” Proc. of ACM MCC, 2012. [OpenAIRE]
 R. Deng, R. Lu, C. Lai, T. H. Luan, H. Liang, “Optimal workload allocation in fog-cloud computing towards balanced delay and power consumption,” IEEE Internet of Things Journal, vol. 3, no. 6, pp. 1171- 1181, Dec. 2016.
 M. Chiang and T. Zhang, “Fog and IoT: an overview of research opportunities,” IEEE Internet of Things Journal, DOI: 10.1109/JIOT.2016.2584538, 2016.
 A. Qureshi, R. Weber, H. Balakrishnan, J. Guttag, and B. Maggs, “Cutting the electric bill for internet-scale systems,” Proc. of ACM SIGCOMM, Barcelona, Spain, Aug. 17-21, 2009.
 A. Greenberg, J. Hamilton, D.A. Maltz, and P. Patel, “The cost of a cloud: research problems in data center networks,” ACM SIGCOMM Computer Communication Review, vol. 39, no. 1, pp. 68-73, Jan. 2009.
 J. Li, Z. Li, K. Ren, X. Liu, “Towards optimal electric demand management for internet data centers,” IEEE Trans. Smart Grid, vol. 3, no. 1, pp. 183-192, March 2012.
 L. Rao, X. Liu, L. Xie, and W. Liu, “Coordinated energy cost management of distributed internet data centers in smart grid,” IEEE Trans. Smart Grid, vol. 3, no. 1, pp. 50-58, Sep. 2012.
 Z. Liu, Y. Chen, C. Bash, A. Wierman, D. Gmach, Z. Wang, M. Marwah, and C. Hyser, “Renewable and cooling aware workload management for sustainable data centers,” Proc. of ACM SIGMETRICS, 2012.
 M. Ghamkhari and H. Mohsenian-Rad, “Energy and performance management of green data centers: a profit maximization approach,” IEEE Trans. Smart Grid, vol. 4, no. 2, pp. 1017-1025, June. 2013.
 L. Yu, T. Jiang and Y. Cao, “Energy cost minimization for distributed Internet data centers in smart microgrids considering power outages,” IEEE Trans. Parallel and Distributed Systems, vol. 26, no. 1, pp. 120- 130, Jan. 2015.
 L. Yu, T. Jiang, and Y. Zou, “Distributed real-time energy management in data center microgrids,” IEEE Trans. Smart Grid, DOI10.1109/TSG.2016.2640453, 2016.
 L. Yu, T. Jiang, Y. Zou and Z. Sun, “Joint energy management strategy for geo-distributed data centers and electric vehicles in smart grid environment,” IEEE Trans. Smart Grid, vol. 7, no. 5, pp. 2378-2392, Sept. 2016.
 P. X. Gao, A. R. Curtis, B. Wong, and S. Keshav, “It's not easy being green,” Proc. of ACM SIGCOMM, Helsinki, Finland, August 13-17, 2012.
 F. Jalali, K. Hinton, R. Ayre, T. Alpcan, and R. S. Tucker, “Fog computing may help to save energy in cloud computing,” IEEE Journal On Selected Areas In Communications, vol. 34, no. 5, pp. 1728-1739, May 2016. [OpenAIRE]