関連キーワード
1. FTP
2. File transfer protocol
3. Legacy
4. Modern
5. Evolution
6. Internet protocols
7. Data transfer
8. Networking
9. Communication protocols
10. Client-server architecture
11. Compatibility
12. Security
13. Reliability
14. Performance
15. Usability
16. Standards
17. Interoperability
18. Compatibility issues
19. FTP extensions
20. Protocol design
21. Protocol implementation
22. File transfer mechanisms
23. Network efficiency
24. Scalability
25. Error handling
26. User experience
27. User feedback
28. Usability testing
29. Migration strategies
30. Historical context