Execution Environment Model: The Execution Environment Model defines hardware nodes and network and is described by the component deployer.

Resource utilization:

Component Repository Model: The Component Repository Model contains components and interfaces.

Usage Model: The Usage Model defines how users interact with a system.

Reengineering means that existing software is taken as input for the development of an improved version.

the Palladio approach supports the prediction of performance and reliability of a modeled system.

Failure rate:

analytical techniques ranging from queuing network analysis to discrete event simulation can be used to predict the quality of the modeled system.

Component Allocation Model: The Component Allocation Model describes how components are deployed on hardware nodes.