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Introduction to the OSI Model Convertir en PDF Version imprimable Suggérer par mail
Écrit par CCNA   
26-05-2008
  • The OSI model (Open System Interconnection) acts as a common platform for different operating systems so that they can interact with each other. It is divided into 7 layers.
    OSI Model
  • Encapsulation : process of attaching header and trailer with data so that an upper layer can communicate with the immediately lower layer.
  • Decapsulation : process of removing header and trailer so that a lower layer can communicate with the immediately upper layer.
    header and trailer
  • The TCP-IP model or DOD model (Department Of Defence Model) is an alternative model to OSI built as follows :
    DOD Model
Dernière mise à jour : ( 31-05-2008 )
 
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