MediaWiki/Vorlage/Tabelle/OSI: Unterschied zwischen den Versionen

Version vom 26. Mai 2025, 11:38 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 zum nächsten Knoten
2	Data Link‎	Sicherung	Segmentierung in Frames, Prüfsummen
1	Physical‎	Bitübertragung	Bit in Signale 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
	Übertragungsmedien

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
Übertragungsmedien				Übertragungsmedien

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
Übertragungsmedien				Übertragungsmedien

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
Übertragungsmedien			Übertragungsmedien

Layer 3

	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
Übertragungsmedien				Übertragungsmedien

Layer 4

Firewall, L4-Router

	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
Übertragungsmedien				Übertragungsmedien

Layer 5

Firewall, L4-Router

	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
Übertragungsmedien				Übertragungsmedien

Layer 6

Firewall, L4-Router

	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
Übertragungsmedien				Übertragungsmedien

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
Übertragungsmedien				Übertragungsmedien

@@ Zeile 339: / Zeile 339: @@
 == Layer 5 ==
+[[Firewall]], [[L4-Router]]
+{|
+! !! Sender !! !! !! !! !! Empfänger
+|-
+|
+| class="osi osicolor7" | [[OSI/7 Application|7 Application]]
+| class="line" |< - - -
+| class="line" | - - - - - - - - -
+| class="line" |- - - - - - - - -
+| class="line" | - -  - >
+| class="osi osicolor7" | [[OSI/7 Application|7 Application]]
+|-
+|
+| class="osi osicolor6" | [[OSI/6 Presentation‎|6 Presentation‎]]
+| class="line" |< - - -
+| class="line" | - - - - - - - - -
+| class="line" |- - - - - - - - -
+| class="line" | - -  - >
+| class="osi osicolor6" | [[OSI/6 Presentation‎|6 Presentation‎]]
+|-
+|
+| class="osi osicolor5" | [[OSI/5 Session‎|5 Session‎]]
+| class="line" |< - - -
+| class="line" | - - - - - - - - -
+| class="line" |- - - - - - - - -
+| class="line" | - -  - >
+| class="osi osicolor5" | [[OSI/5 Session‎|5 Session‎]]
+|-
+|
+| class="osi osicolor4" | [[OSI/4 Transport|4 Transport]]
+| class="line" | < - - >
+| colspan="2" class="osi osicolor4" style="text-align:center" | [[OSI/4 Transport|4 Transport]]
+| class="line" | < - - >
+| class="osi osicolor4" | [[OSI/4 Transport|4 Transport]] ||
+|-
+|
+| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]]
+| class="line" | < - - >
+| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]]
+| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]]
+| class="line" | < - - >
+| class="osi osicolor3" | [[OSI/3 Network|3 Network‎]] ||
+|-
+|
+| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
+| class="line" | < --  >
+| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
+| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
+| class="line" | < - - >
+| class="osi osicolor2" | [[OSI/2 Data Link|2 Data Link‎]]
+|
+|-
+|
+| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
+| class="line" | < - - >
+| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
+| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
+| class="line" | < - - >
+| class="osi osicolor1" | [[OSI/1 Physical|1 Physical‎]]
+|
+|-
+| colspan="4" class="osi osicolor0"  | [[:Kategorie:Netzwerk/Medien| Übertragungsmedien]]
+| colspan="4" class="osi osicolor0"  | [[:Kategorie:Netzwerk/Medien| Übertragungsmedien]]
+|}
+== Layer 6 ==
 [[Firewall]], [[L4-Router]]
 {|