Comparison of OSI Reference Model and TCP/IP Reference Model

TCP/IP vs OSI :

OSI(Open System Interconnection)	TCP/IP (Transmission Control Protocol / Internet Protocol)
Theoretical model	Model around which internet is build
Has 7 architecture layers	Has 4 architecture layers
Protocol in-dependent standard	Protocol dependent standard
Developed by ISO (International Standard Organization)	Developed by Department of Defense (DoD)
OSI model has a separate Application Layer, Presentation layer and Session layer.	TCP/IP has only application layer which initiates the process, defines the format and create, maintain and terminate the session.
Network Layer is both Connection Oriented and Connection less.	Network Layer is Connection less.
Transport Layer is Connection Oriented	Transport Layer is both Connection Oriented and Connection less.