Definitions for "Testbed"
A platform on which an assortment of experimental tools and products may be deployed and allowed to interact in real-time. Successful tools and products may be identified and developed in an interactive, evolutionary, interdependent process.
a unique quality control tool that provides powerful source code analysis and testing facilities for the validation and verification of software applications
Experimental proof of concept, technology demonstration, pre-prototype.
Keywords:  pollution, scale, modelling, air, large
a Large Scale Air Pollution Modelling application
A testbed is a set of implementations of a protocol based upon the same set of standards. Usually planned and operated with the active participation by software developers/vendors and standards’ developers.