Welcome to the OSI on WWW page!

Note!!!

Due to a fairly recent disc crash combined with an incomplete backup, these pages have been restored to the way they were before Christmas. Much of the 'inter-page linking' and 'polishing' was done since then, and has been lost. :-P Normality should be restored within a few weeks or so, time permitting.
The intro is HERE!!!!!!!!!!!!!

Clickable Map!

Click on any part of this picture for more information...

Contents:

Introduction
The OSI Stack
The Application Layer
X.400 Electronic Mail
X.500 Directory Services
X.700 Management
EDI - Electronic Document Interchange
The Presentation Layer
The Session Layer
The Transport Layer
The Network Layer

Other related topics
IP Multicast
IPng - IP Next Generation
ATM - Asynchronous Transfer Mode

Brendan McKeon / bmckeon@alf2.tcd.ie