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<ul ><li>Application </li> <li> Presentation </li> <li> Session </li> </ul> | <ul> <li> Application </li> </ul> | <ul ><li>Application </li> <li> Presentation </li> <li> Session </li> </ul> | <ul> <li> Application </li> </ul> | ||
<ul><li>Transport </li> </ul> |<ul> <li> Transport </li> </ul> | <ul><li>Transport </li> </ul> |<ul> <li> Transport </li> </ul> | ||
| − | <ul><li> Network </li> </ul> | <ul> <li> | + | <ul><li> Network </li> </ul> | <ul> <li> Internet</li> </ul> |
| − | <ul><li>Data Link </li><li> Physical </li></ul> |<ul> <li> | + | <ul><li>Data Link </li><li> Physical </li></ul> |<ul> <li>Host-to-network /Network Access Layer </li></ul> |
Latest revision as of 05:03, 10 May 2015
TCP/IP model and OSI model both are conceptual models that characterizes and standardizes the internal functions of a communication system by partitioning it into abstraction layers. However , the TCP/IP model is fully designed model for internet and similar networks and hence also known as the INTERNET model.
| OSI Model | TCP/IP Model |
|---|---|
| OSI Model groups communication functions into seven abstraction layers. | TCP/IP model groups communication functions into four abstraction layers . |
| The three top layers - the application layer, the presentation layer and the session layer are separated . | In TCP/IP model these three layers are not distinguished separately where it is just the application layer. |
| Networks are not usually built around the OSI model as it is merely used as a guidance tool. | TCP/IP is considered to be a more credible model- This is mainly due to the fact because TCP/IP protocols are the standards around which the internet was developed therefore it mainly gains creditability due to this reason. |
| The OSI model is a "generic, protocol- independent standard.“ In this model, Protocols do not fit well into the model. | TCP and IP protocols fit well in the model. |
| OSI Layers | TCP/IP Layers |
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