Packet-Switched Networks (PSN)

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Packet-Switched Networks (PSN):

In a packet-switched network (PSN), nodes share bandwidth with each other by sending small data units called packets. One difference from circuit-switched networks is information in packet-switched networks is diced up into packets and then forwarded to the next destination based on the router’s routing table. There the packets are reassembled based on their originating sequence numbers. PSNs are more economical than dedicated circuits because they create virtual circuits, which are used as needed.

Examples of PSNs:

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