<P> JTM - "Job Transfer and Manipulation" was one of the initial set of OSI application - layer standards </P> <P>. So does JTM really belong here?--Jotel 18: 09, 19 July 2007 (UTC) </P> <P> Is this different from the presentation layer of the 3 - tier system architecture? If yes, then that should be mentioned somewhere above and linked in the related - topics . I am not sure of that, if someone can enlighten me . mizzo (talk) 08: 42, 18 March 2008 (UTC) </P> <P> I think parts of the page need re-wording to be a bit more encyclopedic . </P>

On which layer of the osi model are gifs and mpegs handled