Infrastructure as a Service (IaaS) is a cloud computing model that provides infrastructure-level resources (e.g. servers, storage, DNS, load balancing, firewalls, IP addresses, VLANs) on demand. Contrast with [tag:PaaS] and [tag:SaaS].

Infrastructure as a Service (IaaS), in contrast with traditional procurement models, provides infrastructure-level resources on a subscription basis through the . This allows network and computing resources to be quickly deployed and dynamically scaled on demand.

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