Layers in the OSI Model - Seven Layers architecture - Computer Networking System - Layered framework

Open Systems Interconnection Model
Layered framework for the design of network system
Physical Layer - carry bits stream
Data Link Layer-divides the stream of bits
Network Layer- Source to destination delivery of packets
Transport Layer- process to process delivery of entire message
Session Layer- dialog controller and synchronization
Presentation Layer- translation, compression and encryption
Application Layer- providing services to the user