As
with any form of communication, two things are needed: a message and the means
to reliably send the message to send. The TP layer provides the message part.
The message is broken down into smaller units, called packets, which are then
transmitted over the network. The packet is received by the TP layer
corresponds to the receiver and back in the original message. TP provide
application-to-application communication. TP need extended addressing
mechanisms to identify applications. TP - is
responsible for verifying the correct delivery of data from client to server.
Data can be lost in the intermediate network. TP adds support to detect errors
or lost data and transmission lead to the data is correctly and completely
received. TP are called end-to-end communication.
The IP layer is in
the first place concerned with the transmission components. This is done by
means of a unique IP address assigned to each receiver and each active network.
IP- provides computer-to-computer communication. IP- source and destination
addresses are computers. IP - responsible for moving packets of data from node to
node. IP sends each packet based on a four byte destination address (the IP
number). The Internet authorities assign number ranges to different
organizations. The organizations assign groups of their numbers to departments.
IP gateway works on machines that data service organization to region and
worldwide. IP is also called machine-to-machine
communication.
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any suggestion on my side