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|  
|  
| class="osi osicolor4" | [[OSI/4 Transport|4 Transport]]
| class="osi osicolor4" | [[OSI/4 Transport|4 Transport]]
| class="line" | < - >
| class="line" | < - - >
| colspan="2" class="osi osicolor4" style="text-align:center;" | [[OSI/4 Transport|4 Transport]]
| colspan="2" class="osi osicolor4" style="text-align:center;" | [[OSI/4 Transport|4 Transport]]
| class="line" | < - >
| class="line" | < - - >
| class="osi osicolor4" | [[OSI/4 Transport|4 Transport]] ||
| class="osi osicolor4" | [[OSI/4 Transport|4 Transport]] ||
|-
|-
|  
|  
| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]]
| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]]
| class="line" | < - >
| class="line" | < - - >
| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]]
| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]]
| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]]
| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]]
| class="line" | < - >
| class="line" | < - - >
| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]] ||
| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]] ||
|-
|-
|  
|  
| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
| class="line" | < - >
| class="line" | < --  >
| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]  
| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]  
| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
| class="line" | < - >
| class="line" | < - - >
| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
|
|
Zeile 328: Zeile 328:
|
|
| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
| class="line" | < - >
| class="line" | < - - >
| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
| class="line" | < - >
| class="line" | < - - >
| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
|  
|  

Version vom 2. Februar 2024, 14:32 Uhr

OSI-Modell

Layer Deutsch Beschreibung
7 Application‎ Anwendung Funktionen für Anwendungen, Dateneingabe und -ausgabe
6 Presentation‎ Darstellung Umwandlung der systemabhängigen Daten in ein unabhängiges Format
5 Session‎ Sitzung Steuerung der Verbindungen und des Datenaustauschs
4 Transport Transport Zuordnung der Datenpakete zu einer Anwendung
3 Network‎ Vermittlung Routing der Datenpakete zum nächsten Knoten
2 Data Link‎ Sicherung Segmentierung der Pakete in Frames und Hinzufügen von Prüfsummen
1 Physical‎ Bitübertragung Bit zum Medium passendes Signal umwandeln, physikalische Übertragung

Übersicht

Sender Empfänger
Anwendung 7 Application 7 Application
6 Presentation‎ 6 Presentation‎
5 Session‎ 5 Session‎
Transport 4 Transport 4 Transport
3 Network‎ 3 Network‎
2 Data Link‎ 2 Data Link‎
1 Physical‎ 1 Physical‎
Media

Layer 1

Repeater, Hub

Sender Empfänger
7 Application < - - - - - - - - - - - - - - - - - - > 7 Application
6 Presentation‎ < - - - - - - - - - - - - - - - - - - > 6 Presentation‎
5 Session‎ < - - - - - - - - - - - - - - - - - - > 5 Session‎
4 Transport < - - - - - - - - - - - - - - - - - - > 4 Transport
3 Network‎ < - - - - - - - - - - - - - - - - - - > 3 Network‎
2 Data Link‎ < - - - - - - - - - - - - - - - - - - > 2 Data Link‎
1 Physical‎ < - > 1 Physical‎ < - > 1 Physical‎
Media Media

Layer 2

Switch, Bridge

Sender Empfänger
7 Application < - - - - - - - - - - - - - - - - - - > 7 Application
6 Presentation‎ < - - - - - - - - - - - - - - - - - - > 6 Presentation‎
5 Session‎ < - - - - - - - - - - - - - - - - - - > 5 Session‎
4 Transport < - - - - - - - - - - - - - - - - - - > 4 Transport
3 Network‎ < - - - - - - - - - - - - - - - - - - > 3 Network‎
2 Data Link‎ < - > 2 Data Link‎ < - > 2 Data Link‎
1 Physical‎ < - > 1 Physical‎ 1 Physical‎ < - > 1 Physical‎
Media Media

Layer 3

Router

Sender Empfänger
7 Application 7 Application
6 Presentation‎ 6 Presentation‎
5 Session‎ 5 Session‎
4 Transport 4 Transport
3 Network‎ 3 Network‎ 3 Network‎
2 Data Link‎ 2 Data Link‎ 2 Data Link‎ 2 Data Link‎
1 Physical‎ 1 Physical‎ 1 Physical‎ 1 Physical‎
Media Media


Sender Empfänger
7 Application < - - - - - - - - - - - - - - - - - - > 7 Application
6 Presentation‎ < - - - - - - - - - - - - - - - - - - > 6 Presentation‎
5 Session‎ < - - - - - - - - - - - - - - - - - - > 5 Session‎
4 Transport < - - - - - - - - - - - - - - - - - - > 4 Transport
3 Network‎ < - > 3 Network‎ < - > 3 Network‎
2 Data Link‎ < - > 2 Data Link‎ 2 Data Link‎ < - > 2 Data Link‎
1 Physical‎ < - > 1 Physical‎ 1 Physical‎ < - > 1 Physical‎
Media Media

Layer 4

Firewall

Sender Empfänger
7 Application < - - - - - - - - - - - - - - - - - - - - - - - - > 7 Application
6 Presentation‎ < - - - - - - - - - - - - - - - - - - - - - - > 6 Presentation‎
5 Session‎ < - - - - - - - - - - - - - - - - - - - - - - > 5 Session‎
4 Transport < - - > 4 Transport < - - > 4 Transport
3 Network‎ < - - > 3 Network‎ 3 Network‎ < - - > 3 Network‎
2 Data Link‎ < -- > 2 Data Link‎ 2 Data Link‎ < - - > 2 Data Link‎
1 Physical‎ < - - > 1 Physical‎ 1 Physical‎ < - - > 1 Physical‎
Media Media

Layer 7

Gateway, Proxy-Server, IPS

Sender Empfänger
7 Application < - > 7 Application < - > 7 Application
6 Presentation‎ < - > 6 Presentation‎ 6 Presentation‎ < - > 6 Presentation‎
5 Session‎ < - > 5 Session‎ 5 Session‎ < - > 5 Session‎
4 Transport < - > 4 Transport 4 Transport < - > 4 Transport
3 Network‎ < - > 3 Network‎ 3 Network‎ < - > 3 Network‎
2 Data Link‎ < - > 2 Data Link‎ 2 Data Link‎ < - > 2 Data Link‎
1 Physical‎ < - > 1 Physical‎ 1 Physical‎ < - > 1 Physical‎
Media Media
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