DeustoTech - Deusto Institute of Technology
A Virtual Organization is a logical entity that can span administrative domains and is made up of a number of Virtual Nodes. From: Chapter 7 "Reliability in Grid Computing Systems".
Direct communication channel between two virtual nodes without passing through other virtual nodes. From: Chapter 7 "Reliability of Grid Computing Systems".
General unit in the Grid, which can execute programs or share resources. From: Chapter 7 "Reliability in Grid Computing Systems".