Table 1 lists the recommended methods for various situations.
| Your situation | Recommended methods |
|---|---|
| Sites are connected with high-speed lines | Store-and-forward |
| One or more sites have firewalls | File-based methods (electronic mail, ftp, physical media), store-and-forward |
| Must transfer packets quickly | File-based methods (electronic mail, ftp), store-and-forward |
| No electronic connection between sites | File-based methods (physical media) |