MediaWiki/Vorlage/Tabelle/OSI

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