On October 23rd, 2014, we updated our
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The 451 Group: “The cloud is IT as a Service, delivered by IT resources that are independent of location”
Gartner: “Cloud computing is a style of computing where massively scalable IT-related capabilities are provided ‘as a service’ across the Internet to multiple external customers”
Forrester: “A pool of abstracted, highly scalable, and managed infrastructure capable of hosting end-customer applications and billed by consumption”
Wikipedia: “A style of computing in which dynamically scalable and often virtualized resources are provided as a service over the Internet. Users need not have knowledge of, expertise in, or control over the technology infrastructure "in the cloud" that supports them. ”
“ A large pool of easily usable and accessible virtualized resources (such as hardware, development platforms and/or services). These resources can be dynamically reconfigured to adjust to a variable load (scale), allowing also for an optimum resource utilization. This pool of re-sources is typically exploited by a pay-per-use model in which guarantees are offered by the Infrastructure Provider by means of customized SLAs.” Vaquero, Rodero-Merino, Caceres, Lindner
Across the Chasm Web Services Web 2.0 Laggards Bowling Alley Tornado Main Street Early Market Internet Mobility Cloud Computing Virtualization Geoffrey Moore: Crossing the Chasm. Collins 2002 Innovators Early Adopters Late Majority Early Majority
Cloud Model Integration Operation Governance Hardware Computation Storage Memory Colocation Real Estate Cooling Power Bandwidth Virtualisation Provisioning Billing Virtualisation Platform Programming Language Development Environment APIs Application CRM UC Email ....... .......