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Version 1.0, August 31, 2001, Copyright, Hugh Jack 1993-2001

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31.6.2 OSI Network Model

· Advantages

1. - Computers not necessarily from the same manufacturer
2. - Allow computers to communicate information.
3. - Sharing of equipment such as printers, disks, etc.
4. - Programs can run on multiple machines improving performance
5. - Access to machines with better/different resources.

· General OSI Diagram contains seven layers

31.6.2.1 - Physical Layer

31.6.2.2 - Data Link Layer

31.6.2.3 - Network Layer

31.6.2.4 - Transport Layer

31.6.2.5 - Session Layer

31.6.2.6 - Presentation Layer

31.6.2.7 - Application Layer

31.6.2.8 - Open Systems

31.6.2.9 - Networking Hardware