What is Cloud Computing?
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What is Cloud Computing?
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What is Cloud Computing?
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Definition of Cloud Computing
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Definition of Cloud Computing
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Defining Cloud Computing
Wikipedia◦ Cloud computing is Internet-based computing, whereby
shared resources, software and information are provided to computers and other devices on-demand, like a public utility.
Gartner◦ Style of computing in which scalable and elastic IT-
enabled capabilities are delivered as a service to external customers using Internet technologies
Forrester◦ Standardized IT capability (services, software, or
infrastructure) delivered via Internet technologies in a pay-per-use, self-service way.
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NIST Definition
Cloud computing is a model for enabling
◦ Ubiquitous, ◦ Convenient, ◦ On-demand network access
to a shared pool of configurable computing resources
◦ Networks◦ Servers◦ Storage
that can be rapidly provisioned and released with minimal management effort or service provider interaction.
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NIST Definition - Characterisitcs
Broad Network Access
Rapid Elasticity
Measured Service
On-Demand Self-Service
Resource Pooling
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Ubiquitous Network Access
Ubiquitous network access means that the cloud provider’s capabilities are available over the network and can be accessed through standard mechanisms by both thick and thin clients.
Source: Google
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Rapid Elasticity
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Rapid Elasticity
Elasticity is defined as the ability to scale resources both up and down as needed. To the consumer, the cloud appears to be infinite, and the consumer can purchase as much or as little computing power as they need.
VM VMVM
VM
VM VM
Scale DOWN
Scale UP
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Measured Service
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Measured Service
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On-Demand Self-Service
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Resource PoolingSource: VMware
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http://clean-clouds.com
Download with Linkedin Username/Password
http://clean-clouds.com
Download with Linkedin Username/Password
http://clean-clouds.com
Download with Linkedin Username/Password
http://clean-clouds.com
Download with Linkedin Username/Password
http://clean-clouds.com
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