Circuit Switching Source first establishes a connection (circuit) to the destination )) Each router or switch along the way may reserve some bandwidth for the data flow Source sends the data over the circuit ) No need to include the destination address with the data since the routers know the path The connection is torn down Example: telephone network. 66 Circuit Switching Source first establishes a connection (circuit) to the destination. » Each router or switch along the way may reserve some bandwidth for the data flow Source sends the data over the circuit. » No need to include the destination address with the data since the routers know the path The connection is torn down. Example: telephone network