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EMC Glossary

What is Infrastructure As A Service (IaaS)

Ability to automate the provisioning and management of compute, network and storage to instantly provide a working environment for a system admin or developer.

Who uses IaaS and why?

IaaS is ideal for start-ups and SMBs to test out new ideas using a “pay as you use” model without investing in hardware.

Enterprise and government entities also use IaaS for running large production workloads. Pooled infrastructure may be entirely owned and controlled by one organization in a private cloud, may be created by joining and federating private resources with third-party resources in a hybrid cloud, or may be entirely provided by a third party in a public cloud.

How does IaaS work?

Infrastructure-as-a-Service (IaaS) is a complete IT infrastructure consumed as a service. Each user or tenant accesses a portion of a consolidated pool of federated resources to create and use their own compute infrastructure as needed, when needed, and how needed.

What are the benefits of IaaS?

• Greater Efficiency – resources are virtualized and pooled ensuring physical infrastructure is used to maximum capacity

• Greater Agility – IT resources can be provisioned on demand and returned to the resource pool just as easily

• Rapid Scalability – instantly allocate additional computing resources to meet business demands due to peak seasons, company growth or decline

• Lower Costs- infrastructure, energy, and facility costs, “pay as you use” model

• Greater IT staff productivity– Automated provisioning through self-service portal

• Reduce wasted resources – transparent pricing and metering and chargeback tools allow IT admins to pinpoint where costs can be reduced

• Higher utilization of IT investments

• Enhanced security and protection of information assets