1. Kyoto University-NTT Resilience Joint Research Group, “Creation of the Resilient Society,” Nikkei BP Kikaku, 2009 (in Japanese).
2. Peter Mell and Tim Grace, “The NIST Definition of Cloud Computing v15,” Oct. 7, 2009, http://csrc.nist.gov/groups/SNS/cloudcomputing/cloud-def-v15.doc
3. Global Inter-Cloud Technology Forum, http://www.gictf.jp/index_e.html
4. For example, the NTT-East Technical Assistance & Support Center edition of “Useful Onsite Communications Facilities Problems: Q&A,” Telecommunications Association, 2007 (in Japanese).
5. T. Iida, “Infrastructure Facilities Management Technology for Safe and Secure Communications,” NTT Technical Review, Vol.7, No.6, 2009.