2SIMS K. IBM introduces ready-to-use cloud computing collaboration services get clients started with cloud comput- ing[EB/OL].[2009-07-O1 ].(2009-09- 11).http://www-03. ibm. eom/press/us/en/pressrelease/22613.
3WEISS A. Computing in the Clounds[J]. NetWorker,2007, 6.12(4):16-25.
4BARHAM P, DRAGOVIC B, FRASER K, el al. Xen and the art of virtualivation[J]. ACM SIGOPS Operating Systems Review, 2003,12(2): 164- 177.
5YEO C S, ASSUNCAO M D, YU J, et al. Utility compu- ting and global grids[J]. Gridand Distributed Systems Labo- ratory, the University of Melbourne,Australia,2006,24(2): 74-81.
6BOSS G, MALLADI P, QUAN D, et al, Cloud computing IBM white pape[EB/OL].[2011-01-27].(2011-04-10). hltp://wenku, baidu, com/view/4b62972ced630blc59eeb58e. html.
7Li Junchao, Guo Ruifeng, Zhang Xiuwu. Study on service- oriented Cloud conferencing[C]. In Proe. of ICCSIT 2010, 2010, 6:21-25.
8BUDIHAL R, MOHANAN N, SAHIL A. Anand,saish satish kamat, exploration and implementation of a next generation telepresence systemiC]. International Symposium on Advan- ced Networks and Telecommunication Systems-ANTS, 2011.
