云计算Cloud_Computing.ppt

August 27, 2009 Cloud Computing Bill Turnbull Associate CIO for Advanced Technology and Systems Integration Department of Energy Outline Federal Perspective GSA role DOE Administrative Use Research Other Agencies Federal Perspective - OMB Analytical Perspectives, FY2010, Chapter 9, p.158: The Federal Government will transform its Information Technology Infrastructure by virtualizing data centers, consolidating data centers and operations, and ultimately adopting a cloud-computing business model. Initial pilots conducted in collaboration with Federal agencies will serve as test beds to demonstrate capabilities, including appropriate security and privacy protection at or exceeding current best practices, developing standards, gathering data, and benchmarking costs and performance. /omb/budget/fy2010/assets/crosscutting.pdf Federal Perspective – CIO Council Federal CIO Council Cloud Computing WG Definition (NIST) Principles Industry Summit Exec. Steering Committee/Advisory Committee Fed. Perspective - Definition Cloud computing is a model for enabling?convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. This cloud model promotes availability and is composed of five essential characteristics, three delivery models, and four deployment models. Characteristics On-demand self-service Ubiquitious network access Location independent resource pooling Rapid elasticity Measured service Delivery Models: SaaS, PaaS, IaaS Fed. Perspective - Principles Efficiency identify and use excess capacity cost-effective procurement of commodity services reduce power usage and environmental footprint  Agility? rapid deployment ability to quickly respond to changing needs ability to scale according to demand Security? implement controls to ensure appropriate security privacy?-