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OSI model v2

OSI model

OSI - pořadíOSI - vrstvaOSI - PDUOSI - ID zdroje/cíleOSI - protokolyOSI - charakteristika
3. Síťová Paket IP adresa IP Zajišťuje nalezení nejlepší cesty v síti pro přenos dat
2. Linková Rámec MAC adresa Ethernet, ... Zajišťuje řízení komunikace na konkrétním médiu, kontrolu chyb přenosu mezi uzly
1. Fyzická Bit Definuje charakteristiky přenosových médií (typ, rychlost, max. délka, ...) a přenos signálů
7. Aplikační Data HTTP, FTP, DNS, ... Poskytuje programům přístup k síťovému prostředí
6. Prezentační Zajišťuje správnost kódování, komprese a kryptování přenášených dat
5. Relační Zajišťuje navázání, správu a ukončení komunikace mezi aplikacemi
4. Transportní Segment číslo portu TCP, UDP Provádí segmentaci dat, (ne)zajišťuje spolehlivost přenosu dat
Created by: lef
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