To avoid the missing of data and also if we sent it as a whole it won't be easy to send and receive
Basically Its a transmission system that sends packets of data across a link and then waits until it has received signals back from the recipient to show successful transmission of all data packets in that window (set size of a number of data packets). Any packets that don't receive a successful transmission flag are resent before the window progresses to the next set of data packets.
Point-to-point
If you mean TCP or UDP data packets, then no, they make up every data transmission on the net.
Point-to-point
The loss of data packets during transmission.
Packet switching breaks the original data into smaller segments per packet before transmission. This is done in the layer 4 transport layer of the OSI model.
network data-link
packets
Data transmitted over the Internet is broken into Packets when transmitted over the Internet or other network.
The role is to transfer frames to packets
data packets is a kind of packets of data. a groop of bits that is together in a groop.
It encapsulates with a header and a trailer to create a frame.