[1] Duffield N G, Goyal P, Greenberg A et al. A flexible model for resource management in virtual private networks[J]. ACM SIGCOMM Computer Communication Review, 29, 95-108(1999).
[2] Lu P, Zhang L, Liu X H et al. Highly efficient data migration and backup for big data applications in elastic optical inter-data-center networks[J]. IEEE Network, 29, 36-42(2015).
[3] Zhu W, Li J, Pei L et al. Analysis and optimization of instantaneous frequency measurement system based on polarization time delay interference[J]. Acta Optica Sinica, 41, 2107001(2021).
[4] Liu Y, Li J, He Y J et al. Generator of signals with quadruple frequency and triangular waveform tunable in symmetry based on dual-parallel Mach-Zehnder modulator and balanced photodetector[J]. Acta Optica Sinica, 41, 1906005(2021).
[5] Zhao J Z, Subramaniam S. Virtual network mapping in elastic optical networks with sliceable transponders[J]. Photonic Network Communications, 40, 281-292(2020).
[6] Feng T, Bi J, Hu H Y et al. Networking as a service: a cloud-based network architecture[J]. Journal of Networks, 6, 1084-1090(2011).
[7] Sahoo P K, Dehury C K, Veeravalli B. LVRM: on the design of efficient link based virtual resource management algorithm for cloud platforms[J]. IEEE Transactions on Parallel and Distributed Systems, 29, 887-900(2018).
[8] Qin Y, Wang H, Yi S W et al. Virtual machine placement based on multi-objective reinforcement learning[J]. Applied Intelligence, 50, 2370-2383(2020).
[9] Chen M T, Hsu C C, Kuo M S et al. GreenGlue: power optimization for data centers through resource-guaranteed VM placement[C], 510-517(2014).
[10] Luo G Y, Qian Z Z, Dong M X et al. Improving performance by network-aware virtual machine clustering and consolidation[J]. The Journal of Supercomputing, 74, 5846-5864(2018).
[11] Zhang B B, Wang X, Wang H. Virtual machine placement strategy using cluster-based genetic algorithm[J]. Neurocomputing, 428, 310-316(2021).
[12] Alnoman A. Machine learning-based task clustering for enhanced virtual machine utilization in edge computing[C](2020).
[13] Wei C, Hu Z H, Wang Y G. Exact algorithms for energy-efficient virtual machine placement in data centers[J]. Future Generation Computer Systems, 106, 77-91(2020).
[14] Li R, Zheng Q H, Li X Q et al. Multi-objective optimization for rebalancing virtual machine placement[J]. Future Generation Computer Systems, 105, 824-842(2020).
[15] Sadegh S, Zamanifar K, Kasprzak P et al. A two-phase virtual machine placement policy for data-intensive applications in cloud[J]. Journal of Network and Computer Applications, 180, 103025(2021).
[16] Rugwiro U, Gu C H. Customization of virtual machine allocation policy using k-means clustering algorithm to minimize power consumption in data centers[C], 1-8(2017).
[17] Liu F Q, He W G. Hose-model network virtualization in flexgrid optical networks[J]. Journal of Optical Communications and Networking, 12, 13-23(2020).
[18] Wang Y H, Luo D S L. Overview of clustering algorithms[J]. Science & Technology Information, 16, 10-11(2018).
