OSI/Referenzmodell/Zusammenfassung
| Ebene | DoD | OSI | Name | Protokolle | Einheiten | Adresse | Komponente | Verbindung |
|---|---|---|---|---|---|---|---|---|
| Anwendung | Process | 7 | Application | HTTP, SMTP, FTP, DNS, DHCP, LDAP, … | Daten-Ströme | URL | Dienst Gateway Proxy Content-Switch |
Ende zu Ende (Multihop) |
| 6 | Presentation | |||||||
| 5 | Session | |||||||
| Transport | Host-to-Host | 4 | Transport | TCP UDP SCTP |
Segment Datagramm |
Port | ||
| Internet | 3 | Network | IPv4 IPv6 |
Datagramm | IP | Router Layer-3-Switch | ||
| Network Access | 2 | Data Link | Ethernet WLAN DSL MPLS |
Frame Symbol |
MAC | Bridge Switch WLAN Access Point |
Punkt zu Punkt (Direkt) | |
| 1 | Physical | 1000BASE-T Token Ring |
Signal | Netzwerkkabel Repeater Hub |