Informatica PowerCenter Architecture

Before the 6 lessons. I must understand of PowerCenter Architecture. This is not copy and paste from help. I try to write down by my own under stand. It's not big deal for developer view. But may very help in job interview.

Domain and Service Architecture
- Domain:

• Domain is collection of nodes and services.
• Primary unit to centralize administration.

- Node:

• Logical representation of a machine in a domain.
• One node i each domain servers as a gateway for the domain.
• All processes in PowerCenter run as services on a node.

- Services:

• Two type of services: Core services and Application services.
• Core services: support the domain and application services. E.g. Domain service, Log service.
• Application services: represent PowerCenter server-based functionality. E.g. Repository service, Intergration service...

- Informatica Repository:

• Contains a set of metadata tables withing repository database that informatica applications and tools access.

- Informatica Client:

• Manages users, define sources and targets, builds mappings and mapplets with transformation logic, and create workflows to run the mapping logic. The Informatica Client has four client applications: Repository Manager, Designer, Workflow Manager and Workflow monitor.