Those file standards you mentioned that are associated with the
presentation layer, ie jpg, mp3, mpeg, etc. are based on compression;
that's why they're listed as being presentation-layer standards.
hth,
Hal
> -----Original Message-----
> From: Zeeshan M. Ansari [mailto:nobody@xxxxxxxxxxxxxx]
> Sent: Friday, October 05, 2001 2:20 AM
> To: associate@xxxxxxxxxxxxxx
> Subject: OSI devices?? [1:6324]
>
>
> Hello all,
> How come in OSI model in books the devices are sorted. I mean e.g. on
> presentation layer Jpeg, midi, quick time are the devices.
> But there are
> other things heppen on presentation layer what about them e.g
> compression
> etc. Plz anybody clearify, correct me if I am wrong.
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