Showing posts with label open source interconnection. Show all posts
Showing posts with label open source interconnection. Show all posts

7.09.2013

Open System Interconnection (OSI) Model

Question: What is OSI model? Elaborate your answer.

Answer:  

The OSI stand for "Open System Interconnection".

It was first introduced in the late 1970s by the ISO (International Standard Organization).

An OSI is a set of protocol that allow any two different system to communicate regardless of their underlying architecture.

The OSI model is not a protocol; it is a model for understanding and designing a network architecture that is flexible, robust, and inter-operable.

It consists of seven separate but related layers, each of which defines a part of the process of moving information across network.

These seven layers of OSI model can be divided into two categories: