The two primary forms of public cloud computing, Infrastructure-as-a-Service (IaaS) and Software-as-a-Service (SaaS), are both growing dramatically in popularity. Over the last few years, the primary focus of the IaaS providers has been on offering the basic compute and storage resources required to run applications.
In a recent newsletter we expressed our opinion that virtualization and cloud computing change everything. In that newsletter we focused on some of the technology and management changes that are associated with virtualization and cloud computing. In this newsletter we will discuss one of the ways that virtualization changes how IT organizations buys software tools.