On Premises
On Premises refers to a traditional implementation where software is installed and run on computers on the same premises as users and data is kept locally.
SaaS
Software as a Service (SaaS) refers to a model of software
deployment whereby a provider proposes an application for use as
a service on demand.
Licenses are typically provided by a third party application
service provider (ASP).
Virtual Appliance
A virtual appliance is a software image containing all components needed to run a specific application. It uses a virtualization environment in order to mutualize on premises resources.
Cloud-ready
Cloud computing combines virtualization with other technologies to provide dynamic scalability and agility. Application images can run on private clouds (on premises), on public clouds (off premises) or both (hybrid clouds).



