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OSI Reference Model illustrated. Open Systems Interconnection ( OSI ) is a standard reference model for communication between two end users in a network.

OSI Reference Model illustrated

The model is used in developing products and understanding networks. Also see the notes below the figure. OSI divides telecommunication into seven layers. Webopedia: Online Computer Dictionary for Computer and Internet Terms and Definitions. Pagesbydave- JavaScripts, A-Plus & Network-Plus Exam Preps. Albino Blacksheep.

Certifications & Exams. LabMice.net: The Windows 2000\2003\XP Resource Center for IT Professionals.