| Parameter | The Internet | An Intranet |
|---|---|---|
| Security | Low (None/Some) | High |
| Speed | Low/Medium | High |
| Services | Almost unlimited | Specified by Organisation |
| Access Control | None or limited. Public encouraged to visit. | Account Name and Password. Generally no external (public) access. |
| Membership | Unlimited. 50 +/- 20 million. | Population of Organisation |
| Reliability | Low | High (Mission Critical) |
| Control | Low (None) | High |
