Slajd PPT
Nonstop Internet services
- Telnet, ftp, ...
- Connection oriented services
- Very hard to made faut-tolerant
- Email
- Connection without user
- Confirmation protocol is a solution
- HTTP
- Connectionless, easy to reconnect
- On-line transactions makes problems
- NFS
- Connectionless, interruptions allowed
- Cache lost (write-through for shm)