Cloud Infrastructure or Infrastructure as a Service (IaaS)

In this most basic cloud service model, cloud providers offer computers – as physical or more often as virtual machines –, raw (block) storage, firewalls, load balancers, and networks. IaaS providers supply these resources on demand from their large pools installed in data centers. Local area networks including IP addresses are part of the offer. For wide area connectivity, the Internet can be used or -- in carrier clouds -- dedicated virtual private networks can be configured.


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