The most important functions in a datagram network include forwarding and routing. The most important functions in a virtual circuit network include forwarding, routing and call setup.
- Forwarding in networking can be defined as the router-local action by each router when a packet arrives at one of the interfaces.
- Routing in networking can be defined as the process which determines the end-to-end pathways that packets take from the source to the corresponding destination.
- Finally, call setup refers to the process of establishing a virtual circuit across a network.
In conclusion, the most important functions in a datagram network include forwarding and routing. The most important functions in a virtual circuit network include forwarding, routing and call setup.
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