OSI Model and TCP/IP Model Comparison

OSI Model and TCP/IP Model Comparison An architecture diagram generated by Archify. 7. Application Layer · HTTP, FTP, SMTP, DNS · OSI 7-Layer Model 7. Application Layer HTTP, FTP, SMTP, DNS 6. Presentation Layer · SSL/TLS, JPEG, ASCII · OSI 7-Layer Model 6. Presentation Layer SSL/TLS, JPEG, ASCII 5. Session Layer · NetBIOS, RPC · OSI 7-Layer Model 5. Session Layer NetBIOS, RPC 4. Transport Layer · TCP, UDP · OSI 7-Layer Model 4. Transport Layer TCP, UDP 3. Network Layer · IP, ICMP, IGMP · OSI 7-Layer Model 3. Network Layer IP, ICMP, IGMP 2. Data Link Layer · Ethernet, PPP, ARP · OSI 7-Layer Model 2. Data Link Layer Ethernet, PPP, ARP 1. Physical Layer · RS-232, Ethernet · OSI 7-Layer Model 1. Physical Layer RS-232, Ethernet 4. Application Layer · maps to OSI layers 7·6·5 · TCP/IP 4-Layer Model 4. Application Layer maps to OSI layers 7·6·5 3. Transport Layer · maps to OSI layer 4 · TCP/IP 4-Layer Model 3. Transport Layer maps to OSI layer 4 2. Internet Layer · maps to OSI layer 3 · TCP/IP 4-Layer Model 2. Internet Layer maps to OSI layer 3 1. Network Interface Layer · maps to OSI layers 2·1 · TCP/IP 4-Layer Model 1. Network Interface Layer maps to OSI layers 2·1 OSI 7-Layer Model TCP/IP 4-Layer Model Legend Application group Transport layer Network layer Data link layer Physical layer