OSI MODEL
APPLICATION LAYER
| Application |
| Presentation |
| Session |
| Transport |
| Network |
| Data Link |
| Physical |
The OSI model defines the application layer as being the user interface. The OSI application layer is responsible for displaying data and images to the user in a human-recognizable format and to interface with the presentation layer below it.
Examples of applications that utilize the network are:
- Telnet
- FTP
- Instant Message software (AIM, MSN, ICQ, Yahoo)
- IRC (mIRC)
- America Online (the client software)
- Microsoft Windows File Shares
- Microsoft Internet Explorer (a web browser)
- Network games of Doom, Quake, Unreal (first-person 3D shooter video games)
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