Intro Data Encapsulation – Introduction To OSI Layer Model – The Internetworking Part5

As you know OSI works in layer as the data moves down it is encapsulated by each layer .The data encapsulation is only useful to the same layer at the other end. The encapsulated data is called PDU(Protocol Data Units).As only the same layer or we call peer layer can read the data it strips the header that was attached extract useful info and sends it to upper layer.
Continue reading…