OSI/Referenzmodell/Zusammenfassung
| Ebene | Verbindung | DoD | OSI | Protokolle | Daten | Adresse | Komponente | |
|---|---|---|---|---|---|---|---|---|
| Anwendung | Ende zu Ende (Multihop) |
Process | 7 | Application | HTTP SMTP FTP DNS DHCP LDAP … | Ströme | URL | Dienst Gateway Proxy Content-Switch |
| 6 | Presentation | |||||||
| 5 | Session | |||||||
| Transport | Host-to-Host | 4 | Transport | TCP UDP |
Segment Datagramm |
Port | Firewall | |
| Internet | 3 | Network | IPv4 IPv6 |
Datagramm | IP | Router Layer-3-Switch | ||
| Punkt zu Punkt (Direkt) |
Network Access | 2 | Data Link | Ethernet WLAN DSL MPLS |
Frame Symbol |
MAC | Bridge Switch WLAN Access Point | |
| 1 | Physical | xBase-T Token Ring |
Signal | Port | Netzwerkkabel Repeater Hub |