Objects and instances
Thursday, February 04, 2010
3:44 PM
Objects and instances
A server (class, configuration) is a blueprint for building a server. 
A server instance is a machine built (deployed) to those specifications. 
An application (class, deployable) is a blueprint for interactions with the cloud. 
An application instance is an executing (deployed) program that satisfies that blueprint. 
A service (class) is a blueprint for behavior in responding to clients. 
A service instance is a running (deployed) service that satisfies that blueprint. 