Essential Guide

Platform as a Service: Expert advice for selecting a PaaS vendor

A comprehensive collection of articles, videos and more, hand-picked by our editors

SPI model (SaaS, PaaS, IaaS)

SPI is an acronym for the most common cloud computing service models, Software as a Service, Platform as a Service and Infrastructure as a Service.

What is SPI (SaaS, PaaS, IaaS)?

SPI is an acronym for the most common cloud computing service models, Software as a Service, Platform as a Service and Infrastructure as a Service.

Software as a Service (SaaS) is a software distribution model in which applications are hosted by a vendor or service provider and made available to customers over a network, typically the Internet. Platform as a Service (PaaS) is a paradigm for delivering operating systems and associated services over the Internet without downloads or installation. Infrastructure as a Service (IaaS) involves outsourcing the equipment used to support operations, including storage, hardware, servers and networking components.

The increasing selection of services delivered over the Internet is sometimes referred to as XaaS.

This was first published in February 2012

Continue Reading About SPI model (SaaS, PaaS, IaaS)

PRO+

Content

Find more PRO+ content and other member only offers, here.

Essential Guide

Looking ahead: The future of cloud apps in 2014 and beyond

1 comment

Oldest 

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to:

-ADS BY GOOGLE

File Extensions and File Formats

Powered by:

SearchServerVirtualization

SearchVMware

SearchVirtualDesktop

  • VDI assessment guide

    Wait! Don't implement VDI technology until you know your goals and needs. A VDI assessment should consider the benefits of a VDI ...

  • Guide to calculating ROI from VDI

    Calculating ROI from VDI requires a solid VDI cost analysis. Consider ROI calculation models, storage costs and more to determine...

  • Keep the cost of VDI storage under control

    Layering, persona management tools and flash arrays help keep virtual desktop users happy and VDI storage costs down.

SearchAWS

SearchDataCenter

SearchWindowsServer

SearchSOA

SearchCRM

Close