By David Linthicum

It’s been nearly three years since the NIST (National Institute of Standards and Technology) published what has become the standard definition of cloud computing. Both the tech industry and IT organizations have been good about following the NIST definitions for IaaS and SaaS — not so much for PaaS, a terms that remains confusing and is used confusingly.

The NIST definition (PDF) of PaaS still stands, as far as I’m concerned: