Microsoft SQL Server Integration Services (SSIS) consist of four key parts:
- SSIS Service
- SSIS Object Model
- SSIS runtime engine and the runtime executables
- SSIS dataflow engine
Integration Services Service:
- Monitors running Integration Services packages and manages the storage of packages
- Integration Services object model
- Includes native and managed application programming interfaces (API) for accessing
- Integration Services tools, command-line utilities, and custom applications
Data Transformation Run-Time Engine:- Handles control flow of the package
- Support Logging,Debugging ,Config,Connections & transactions.
- Package,containers,Tasks and Event handles.
Data Flow Engine(ETL):
- Also called as Data Transformation Pipe Line Engine
- Data sources or Data Adapters
- Transformations
- Destination Targets or Destination Adapters
Please check below SSIS Architecture Diagram
