Infrastructure as a Service

来自开放百科 - 灰狐
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Infrastructure as a Service (IaaS) is the delivery of computer infrastructure (typically a platform virtualization environment) as a service.

Key components

Implementations typically include the following layered components:

  • Service level agreements (optional)
  • Utility computing billing (eg per instance hour)
  • Platform virtualization environment for running client specified virtual machines
  • Computer hardware (typically set up as a grid for massive horizontal scalability)
  • Computer network (including firewalls, load balancing, etc.)
  • Internet connectivity

See

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