Gartner Research

Understand IaaS, PaaS and the Role of Middleware to Make the Most of Each

Published: 25 June 2012

ID: G00234828

Analyst(s): Yefim Natis , David Smith , Daryl Plummer


Although there are many examples of true PaaS, sometimes what's called PaaS is IaaS (plus middleware). Application infrastructure can be delivered as a service hosted on IaaS, resembling PaaS, but lacking PaaS's benefits. Users should match their expectations with the capabilities.

Table Of Contents


  • What PaaS Is and What It Offers
  • Bubbling Up From Infrastructure in Multiple Ways
    • Introducing IaaS Plus Middleware (I+M)
  • PaaS, Shared Hardware and Beyond
  • Trickling Down From Apps
    • The Middleware Perspective
  • The Future

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