OSI LAYER LABEL
OSI LAYER DESCRIPTION
PROTOCOLS
7 - Application
Network Process to Application
HTTP, SSH , FTP
6 - Presentation
Data Representation and Encryption
PDF, GIF
5 - Session
Internet Communication
NETBIOS,TCP/IP
4 - Transport
End-to-End Connections and Reliability
TCP,UDP
3 - Network
Logical Addressing (IP) and Path Determination
PACKETS, IPV4, IPV6 ICMP
2 - Data Link
Physical Addressing (MAC and LLC)
FRAMES, ETHERNET, PPP, SWITCH
1 - Physical
Media, signal and binary transmission
Physical network topology, like bus, ring, mesh or star network