OSI MODEL
PRESENTATION LAYER
| Application |
| Presentation |
| Session |
| Transport |
| Network |
| Data Link |
| Physical |
The presentation layer handles the conversion of data between a Standards-based or platform independant formats to a format understood by the local machine. This allows for data to be transported between devices and still be understood.
The presentation layer performs the folowing functions:
- Communication with the application layer above.
- Translation of data conforming to cross-platform standards into formats understood by the local machine.
- Communication with the session layer
below.
Examples of Presentation Layer Functions
- Conversion of a Sun .RAS raster graphic to JPG.
- Conversion of ASCII to IBM EBCDIC
- Conversion of .PICT on a MAC to .jpg
- Conversion of .wav to .mp3
| << SESSION | APPLICATION >> |