[1] Harris D. Ballmer's millionserver claim doesn't seem so crazy. https://gigaom.com/2013/07/17/ballmersmillionserverclaimdoesntseemsocrazy/#comments, July 2013.
[2] Dignan L. AWS financials on deck:The road to 3 million servers in operation. http://www.zdnet.com/article/awsfinancialsondecktheroadto3millionserversinoperation/, April 2015.
[3] AlFares M, Loukissas A, Vahdat A. A scalable, commodity data center network architecture. In Proc. the ACM SIGCOMM Conf. Data Communication, August 2008, pp.6374.
[4] Guo C X, Wu H T, Tan K, Shi L, Zhang Y G, Lu S W. DCell:A scalable and faulttolerant network structure for data centers. In Proc. the ACM SIGCOMM Conf. Data Communication, August 2008, pp.7586.
[5] Li D, Guo C X, Wu H T, Tan K, Zhang Y G, Lu S W. FiConn:Using backup port for server interconnection in data centers. In Proc. IEEE INFOCOM, April 2009, pp.22762285.
[6] Guo C X, Lu G H, Li D, Wu H T, Zhang X, Shi Y F, Tian C, Zhang Y G, Lu S W. BCube:A high performance, servercentric network architecture for modular data centers. In Proc. the ACM SIGCOMM Conf. Data Communication, August 2009, pp.6374.
[7] Greenberg A, Hamilton J R, Jain N, Kandula S, Kim C, Lahiri P, Maltz D A, Patel P, Sengupta S. VL2:A scalable and flexible data center network. In Proc. the ACM SIGCOMM Conf. Data Communication, August 2009, pp.5162.
[8] AbuLibdeh H, Costa P, Rowstron A, O'Shea G, Donnelly A. Symbiotic routing in future data centers. In Proc. ACM SIGCOMM, Aug.30Sept.3, 2010, pp.5162.
[9] Yu Y, Qian C. Space shuffle:A scalable, flexible, and highperformance data center network. IEEE Trans. Parallel and Distributed Systems, 2016, 27(11):33513365.
[10] Zheng K, Wang L, Yang B H, Sun Y, Uhlig S. LazyCtrl:A scalable hybrid network control plane design for cloud data centers. IEEE Trans. Parallel and Distributed Systems, 2017, 28(1):115127.
[11] Bhuyan L N, Agrawal D P. Generalized hypercube and hyperbus structures for a computer network. IEEE Trans. Computers, 1984, C33(4):323333.
[12] Leiserson C E. Fattrees:Universal networks for hardwareefficient supercomputing. IEEE Trans. Computers, 1985, 34(10):892901.
[13] Dally W J. Performance analysis of kary ncube interconnection networks. IEEE Trans. Computers, 1990, 39(6):775785.
[14] Xiang D, Zhang Y L, Pan Y. Practical deadlockfree faulttolerant routing in meshes based on the planar network fault model. IEEE Trans. Computers, 2009, 58(5):620633.
[15] Xiang D. Deadlockfree adaptive routing in meshes with faulttolerance ability based on channel overlapping. IEEE Trans. Dependable and Secure Computing, 2011, 8(1):7488.
[16] Lin D, Liu Y, Hamdi M, Muppala J. FlatNet:Towards a flatter data center network. In Proc. IEEE Global Communications Conf., December 2012, pp.24992504.
[17] Wang T, Su Z Y, Xia Y, Qin B, Hamdi M. NovaCube:A low latency Torusbased network architecture for data centers. In Proc. IEEE Global Communications Conf., December 2014, pp.22522257.
[18] Wang T, Su Z Y, Xia Y, Liu Y, Muppala J, Hamdi M. SprintNet:A high performance servercentric network architecture for data centers. In Proc. IEEE Int. Conf. Communications, June 2014, pp.40054010.
[19] Wang T, Su Z Y, Xia Y, Muppala J, Hamdi M. Designing efficient high performance servercentric data center network architecture. Computer Networks, 2015, 79:283296.
[20] Wang T, Su Z Y, Xia Y, Hamdi M. CLOT:A costeffective lowlatency overlaid Torusbased network architecture for data centers. In Proc. IEEE Int. Conf. Communications, June 2015, pp.54795484.
[21] Li D W, Wu J, Liu Z Y, Zhang F. Towards the tradeoffs in designing data center network architectures. IEEE Trans. Parallel and Distributed Systems, 2017, 28(1):260273.
[22] Efe K. A variation on the hypercube with lower diameter. IEEE Trans. Computers, 1991, 40(11):13121316.
[23] Cull P, Larson S M. The Möbius cubes. IEEE Trans. Computers, 1995, 44(5):647659.
[24] Abraham S, Padmanabhan K. The twisted cube topology for multiprocessors:A study in network asymmetry. Journal of Parallel and Distributed Computing, 1991, 13(1):104110.
[25] Fan J X, He L Q. BC interconnection networks and their properties. Chinese Journal of Computers, 2003, 26(1):8490. (in Chinese)
[26] Wang D J. Hamiltonian embedding in crossed cubes with failed links. IEEE Trans. Parallel and Distributed Systems, 2012, 23(11):21172124.
[27] Kulasinghe P, Bettayeb S. Embedding binary trees into crossed cubes. IEEE Trans. Computers, 1995, 44(7):923929.
[28] Fan J, Lin X, Jia X. Optimal path embedding in crossed cubes. IEEE Trans. Parallel and Distributed Systems, 2005, 16(12):11901200.
[29] Efe K. The crossed cube architecture for parallel computation. IEEE Trans. Parallel and Distributed Systems, 1992, 3(5):513524.
[30] Chang C P, Sung T Y, Hsu L H. Edge congestion and topological properties of crossed cubes. IEEE Trans. Parallel and Distributed Systems, 2000, 11(1):6480.
[31] Efe K, Blackwell P K, Slough W, Shiau T. Topological properties of the crossed cube architecture. Parallel Computing, 1994, 20(12):17631775.
[32] Kulasinghe P D. Connectivity of the crossed cube. Information Processing Letters, 1997, 61(4):221226.
[33] Fan J X, Jia X H. Edgepancyclicity and pathembeddability of bijective connection graphs. Information Sciences, 2008, 178(2):340351.
[34] Yang X F, Dong Q, Tang Y Y. Embedding meshes/tori in faulty crossed cubes. Information Processing Letters, 2010, 110(14/15):559564.
[35] Zhou S M. The conditional diagnosability of crossed cubes under the comparison model. International Journal of Computer Mathematics, 2010, 87(15):33873396.
[36] Dong Q, Zhou J L, Fu Y, Yang X F. Embedding a mesh of trees in the crossed cube. Information Processing Letters, 2012, 112(14/15):599603.
[37] Cheng B L, Fan J X, Jia X H, Zhang S K. Independent spanning trees in crossed cubes. Information Sciences, 2013, 233:276289.
[38] Cheng B L, Fan J X, Jia X H, Wang J. Dimensionadjacent trees and parallel construction of independent spanning trees on crossed cubes. Journal of Parallel and Distributed Computing, 2013, 73(5):641652.
[39] Chen H C, Kung T L, Hsu L Y. 2disjointpathcoverable panconnectedness of crossed cubes. The Journal of Supercomputing, 2015, 71(7):27672782.
[40] Chen H C, Zou Y H, Wang Y L, Pai K J. A note on path embedding in crossed cubes with faulty vertices. Information Processing Letters, 2017, 121:3438.
[41] Cheng B L, Wang D J, Fan J X. Constructing completely independent spanning trees in crossed cubes. Discrete Applied Mathematics, 2017, 219:100109.
[42] Diestel R. Graph Theory (4th edition). Springer, 2010.
[43] Ghemawat S, Gobioff H, Leung S T. The Google file system. In Proc. the 19th ACM Symp. Operating Systems Principles, October 2003, pp.2943.
[44] Dean J, Ghemawat S. MapReduce:Simplified data processing on large clusters. Communications of the ACM, 2008, 51(1):107113.
