ISO-OSI Model in Computer Networks

ISO-OSI Model in Computer Networks

ISO-OSI Model

International Standard Organization(ISO) standard covers all the aspects of network communication.It is the OPen Systems Interconnection(OSI) model.it follows a layered framework for the design of network systems.It consist of seven different related layers,each having specific defined functionality.

 

Layer 7:    Application Layer

Layer 6:    Presentation Layer

Layer 5:    Session Layer

Layer 4:    Transport Layer

Layer 3:    Network Layer

Layer 2:    Data Link Layer

Layer 1:    Physical Layer