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OSI vs TCP/IP

OSI vs TCP/IP


OSI
TCP/IP
OSI- Open system Interconnect
TCP/IP- Transmission Control Protocol/ Internet Protocol
It is a theoretical model which is used for computing system.
It is a client server model used for transmission of data over the internet.
7 Layers
4 Layers
Developed by ISO (International Standard Organization)
Developed by Department of Defense (DoD)
OSI model has a separate Presentation layer and Session layer.
TCP/IP does not have a separate Presentation layer or Session layer.
OSI is a reference model around which the networks are built. Generally it is used as a guidance tool.
TCP/IP model is, in a way implementation of the OSI model.
OSI model defines services, interfaces and protocols very clearly and makes clear distinction between them.
In TCP/IP, services, interfaces and protocols are not clearly separated. It is also protocol dependent.
It is protocol independent.
It is also protocol dependent.

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