OSI Model
This memorandum will attempt to explain the Open Systems Interconnection Model, known more simply as the OSI Model. The OSI Model has seven levels, and these levels will be discussed in detail. Particular mention will be made to which level TCP/IP functions with the OSI Model.
The seven levels of the OSI Model are as follows:
7) Application: Provides different services to the applications.
6) Presentation: Converts the information.
5) Session: Handles problems which are not communication issues.
4) Transport: Provides end to end communication control.
3) Network: Routes the information in the network.
2) Data Link: Provides error control between adjacent nodes.
1) Physical: Connects the entity to the transmission media.
In simple terms, the OSI model defines a networking framework for implementing protocols. Is defines seven levels to accomplish this. Control is passed from one level to the next, starting at the Application level (Level Seven) and working......
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