The OSI Model

Physical Layer (OSI)

Data Link Layer (OSI)

Network Layer (OSI)

Transport Layer (OSI)

Session Layer (OSI)

Presentation Layer (OSI)

Application Layer (OSI)

Comparing the OSI and TCP/IP Models

Link Layer (TCP/IP)

Internetwork Layer (TCP/IP)

Transport Layer (TCP/IP)

Application Layer (TCP/IP)

Conclusion