OSI Model By

MILIND MISHRA

INTRODUCTION

• ISO International Standard Organization Established in 1947 Multinational body dedicated to worldwide agreement Standard of international level Covers all aspects of network communications

• It is Open System Interconnection MODELAllow two different Machines to connect without change in hardware and softwareIt is model for understanding and designing a network architecture 

The Model

Layered framework Designed for

communication across all types of computer system 7 separate but related layer Each defines segment of process of moving information across network.

Why we need OSI Model

• To allow different types of network hardware and software to communicate with each other

• Avoidable duplication of equipment resources• To breaks network communication into

smaller, simpler parts that are easy to develop

• To facilitates standardization of network components to allow multiple – vendor development and support

Questions .... ????

Thank you..