OSI MODEL
OSI Model INTRODUCTION • The OSI reference model was introduced by the International Organization for Standardization (ISO) in 1984, in order to provide a reference model to make sure products of different vendors would interoperate in networks. • OSI stands for Open System Interconnection, is a reference model that describes how information from a software application in one computer moves through a physical medium to the software application in another computer. • It is layered approach i.e. OSI consists of seven layers. • Each layer performs a particular network function & have its own function. • Every layers adds up a header to the data after performing function. • Heade...