What is the conceptual difference between IP and end-to-end protocols?
What will be an ideal response?
IP is incapable of supporting multiple applications because fields in the datagram header
only identify computers. That is, from IP’s point of view, the source and destination fields in a
datagram identify a host computer; an IP address does not contain additional bits to identify an
application program on the host. We say that IP treats a computer as an endpoint of communication.
In contrast, transport-layer protocols are known as end-to-end protocols because a transport protocol
allows an individual application program to be an endpoint of communication.
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