Components

Question 1

What is a component?

Answer 1

Building block for software
Contractually specified (Provired & required interfaces)
Can be used as a black box
- Use = Compose, deploy, adapt

Question 2

What are web services?

Answer 2

Self-contained, self-describing, modular applications
Can be published, located, invoked on web
Can be seen as deployed components

Question 3

What roles can web services take on?

Answer 3

Provider, Broker, Requestor

Question 4

What does the Palladio Component Model (PCM) entail?

Answer 4

Components, SEFFs by component dev
- SEFF = Service effect specification
Composition / assembly by software architect
Deployment / resource environment by system deployer
Usage by domain expert

Question 5

What are the elements of a component infrastructure?

Answer 5

Components
Repository
Component Framework (Middleware)
Supporting Tool
Platform