In the diagram above, it shows us how the packet-switching technology works. There are messages that are being transferred from multiple web servers and it can cause problems. That problem is called concurrent data transmission. In order to solve that, packet-switching technology is needed. Messages get sent to routers which are the "mailboxes". They then get sent to Transmission Control Protocol (TCP) which divides, discards duplicates, and rearranges the mission in the correct way. The messages are then sent to the IPs (Internet Protocol) which are then sent through ip addresses. The IPs job may be done, but the TCP has more to do. It makes sure that they go to the right addresses, checks to make sure if they are more packets that go with the entire message, etc.
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