Definitions for some of the terms we use.

The set of Nodes participating in a particular Test Plan Session.
An instance of an application that communicates with other Nodes during testing. Also an API to that Node.
Node Driver
An API to provision and unprovision Nodes.
Test Plan
One or more Test Plan Sessions, each running some tests against a Constellation.
Test Plan Session
A sequence of tests to run with a particular Constellation during a TestRun.
Test Plan Session Template
A sequence of tests to run with no assigned Constellation.
Test Run
The execution of a particular Test Plan.
UBOS Server
A physical or virtual server running UBOS Linux.