MicroKernel OS
Small and clean
Basic and essential facilities
- IPC (Inter-Process Communication)
- Address space management
- Thread management
- Interrupt handler
- Scheduling
Higher level services:
- Built on top of the basic facilities
- Run as a server process outside of the OS
- Use IPC to communicate
Advantages:
- Kernel more robust and extendible
- Better isolation and protection between kernel and high level services
Disadvantages:
- Lower performance
