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Compare OSI and TCP/IP reference model.

written 5.8 years ago by teamques10 ★ 68k

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computer communication network

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written 5.8 years ago by teamques10 ★ 68k

OSI (Open System Interconnection)	TCP/IP (Transmission Control Protocol / Internet Protocol)
1. OSI is a generic, protocol independent standard, acting as a communication gateway between the network and end user.	1. TCP/IP model is based on standard protocols around which the Internet has developed. It is a communication protocol, which allows connection of hosts over a network.
2. In OSI model the transport layer guarantees,the delivery of packets.	2. In TCP/IP model the transport layer does not guarantees delivery of packets. Still the TCP/IP model is more reliable.
3. Follows vertical approach.	3. Follows horizontal approach.
4. OSI model has a separate Presentation layer and Session layer.	4. TCP/IP does not have a separate Presentation layer or Session layer.
5. OSI is a reference model around which the networks are built. Generally it is used as a guidance tool.	5. TCP/IP model is, in a way implementation of the OSI model.
6. Network layer of OSI model provides both,connection oriented and connectionless service.	6. The Network layer in TCP/IP model provides connectionless service.
7. OSI model has a problem of fitting the,protocols into the model.	7. TCP/IP model does not fit any protocol.
8. Protocols are hidden in OSI model and are,easily replaced as the technology changes.	8. In TCP/IP replacing protocol is not easy.
9. OSI model defines services, interfaces and,protocols very clearly and makes clear distinction between them. It is,protocol independent.	9. In TCP/IP, services, interfaces and,protocols are not clearly separated. It is also protocol dependent.
10. It has 7 layers	10. It has 4 layers

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