Quando um pacote atravessa um nó de comutação de pacotes ele...
Isso nao ocorre na comut de circuitos, pois o circuito eh criado em banda passante antes mesmo do envio da informacao.
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Advantages of circuit switching over packet switching:
Decreases the delay the user experiences before and during a call
The call will be done with a steady bandwidth, dedicated channel, and consistent data rate
Packets are always delivered in the correct order
https://www.datto.com/blog/whats-the-difference-between-circuit-vs-packet-switching