If we were to rank the Cloud Computing acronyms (SaaS, PaaS, DaaS, and IaaS) in terms of people’s familiarity with them, Infrastructure-as-a-Service would probably come up dead last.

(If you’re confused already, skip to our 6-part series of Bytes on: “What is Cloud Computing?”)

Wondering what is Infrastructure as a Service? IaaS is the delivery of a full-featured, enterprise-grade, IT infrastructure (telephony, email, files and backup, mobile messaging, and remote access) as a fully-outsourced service, that is managed 24 x 365, by a highly-skilled team of professionals.