Copyright 2002 by
Prentice Hall, Inc.
6-8
n4- Transport Layer:
handle flow control and ensure
integrity of each message, resequencing
portions of data packets to ensure
reliable packet delivery; TCP-Transmission
Control Protocol
n3- Network Layer: route packets to their
destination; IP- Internet Protocol,
allows packets to traverse an
“Internet”
OSI Reference Model:
The Seven Layers
The Seven Layers