8
Chapter 2
Theoretical Foundation
2.1 Overview of OSI Model
The OSI (Open System Interconnection) reference model, released in 1984, provide
vendors with a set of standards that ensures greater compatibility and interoperability
among the various types of network technologies that were produced by many companies
around the world [4]
The
OSI
model
divides
various
types
of
computer
network
into
seven
different
parts/layers.
All the
layer can be used to communications between
networks or can work
as
a
guideline
for
communication.
The
OSI
model
is
very
important regarding the
communication between networks, OSI model defining all the network function in each
layer also OSI model act as a framework that help to explain how information travel
through the network.
Figure 2.1 OSI Model
Layers [4]
 |