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What are the differences between OSI and TCP/IP model?

April 26, 2017differences IP model OSI TCP

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What are the differences between OSI and TCP/IP model?

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Important differences are: OSI is a reference model and TCP/IP is an implementation of OSI model. OSI has 7 layers whereas TCP/IP has only 4 layers The upper 3 layers of the OSI model is combined on the TCP/IP model. OSI has: physical layer, data link layer, network layer, transport layer, session layer, presentation layer and application layer TCP/IP has : Network layer, Internet layer, transport layer and application layer.