DATAGRAM & PACKET SWITCHING
Now we will discuss about Datagram Packet Switching. It is one of the type of packet switching. In Datagram Packet Switching connection less scheme is used . In this scheme different packet can send through different path ,So sequencing is necessary. When the packets are send through different path than it is duty of transport layer to rearrange the packets before reaching at destination.
In this scheme packets are known as Datagram.
The link joining each pair of node can contain multiple channels , each of these channel is capable of carrying datagram either from several different sources or from one sources.Multiplexing can be done using TDM (Time Division Muntiplexing) or FDM (Frequency Division Multiplexing).
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✔ Virtual Circuit Packet Switching
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