[1] [1] HAN Z, ZHANG W. A summary of the BCCC data center network topology[C]//IEEE International Conference on IEEE International Conference on Big Data Security on Cloud, IEEE International Conference on High Performance & Smart Computing, June 28-30, 2018, Exeter, England: IEEE, 2018: 270-272.

[2] [2] BENNER A. Optical interconnect opportunities in supercomputers and high end computing-OSA technical digest[C]// Optical Fiber Communi-cation Conference & Exposition, Mar. 11-13, 2012, Los Angeles, USA. Los Angeles: IEEE, 2012: 1-60.

[3] [3] VAHDAT A. Delivering scale out data center networking with optics-why and how[C]//OFC/NFOEC, Mar. 4-8, 2012, Los Angeles, USA. Los Angeles: Optical Society of America, 2012: 1-36.

[4] [4] BALANICI M, PACHNICKE S. Hybrid electro-optical intra-data center networks tailored for different traffic classes[J]. IEEE/OSA Journal of Optical Communications and Networking, 2018, 10(11): 889-901.

[6] [6] RAMAMURTHY B, RAMAKRISHNAN A. Virtual topology reconfi-guration of wavelength-routed optical WDM networks[C]//Global Tele-communications Conference, Nov. 27-Dec. 1, 2000, San Francisco, USA. San Francisco: IEEE, 2000: 1269-1275.

[7] [7] LORENZO B, GLISIC S. Optimal routing and traffic scheduling for multihop cellular networks using genetic algorithm[J]. IEEE Transa-ctions on Mobile Computing, 2013, 12(11): 2274-2288.

[8] [8] FARRINGTON N. Helios: A hybrid electrical/optical switch architec-ture for modular data centers[J]. ACM SIGCOMM Computer Communi-cation Review, 2011, 41(4): 339-350.

[9] [9] CHEN Kai, ANKIT S, ATUL S. OSA: An optical switching architec-ture for data center networks with unprecedented flexibility[J]. IEEE/ACM Transactions on Networking, 2014, 22(2): 498-511.

[10] [10] BANERJEE S, CHOUDHARY A, PAL S. Empirical evaluation of K-means, bisecting K-means, fuzzy C-means and genetic K-means cluste-ring algorithms[C]//IEEE International WIE Conference on Electrical and Computer Engineering(WIECON-ECE), Dec. 19-20, 2015, Dhaka, Bangladesh. Dhaka: IEEE, 2015: 168-172.

[11] [11] QI J, YU Y, WANG L, et al. K-means: An effective and efficient K-means clustering algorithm[C]// IEEE International Conferences on Big Data and Cloud Computing, Oct. 8-10, 2016, Atlanta, USA. Atlanta: IEEE, 2016: 242-249.

[12] [12] JI Chenping, JI mingyang. Flow-based P2P traffic behaviors research[C]//2012 International Conference on Computer Science and Service System, Aug. 11-13, 2012, Nanjing, China. Nanjing: IEEE, 2012: 951-954.

[13] [13] SHAHBAR K, ZINCIR-HEYWOOD A N. Benchmarking two techni-ques for Tor classification: Flow level and circuit level classification[C]// 2014 IEEE Symposium on Computational Intelligence in Cyber Security (CICS), Dec. 9-12, 2014, Orlando, USA. Orlando: IEEE, 2015: 1-8.

[14] [14] HONDA O, OHSAKI H, IMASE M, et al. Scalable IP-VPN flow control mechanism supporting arbitrary fairness criteria-part 2: simulation and implementation[C]//IEEE International Conference on Communica-tions, June 11-15, 2006, Istanbul, Turkey. Istanbul: IEEE, 2006: 310-316.

[15] [15] TONGCHIM S, CHONGSTITVATANA P. Parallel genetic algorithm with parameter adaptation[J]. Information Processing Letters, 2002, 82(1): 47-54.