The control link and the control channel have different functions and are independent of each other. The control link is flooded to the whole network by the OSPF protocol, and each intelligent…

The control link and the control channel have different functions and are independent of each other. The control link is flooded to the whole network by the OSPF protocol, and each intelligent network element saves the control link information of the whole network. The control channel will not flood the entire network, and each intelligent network element only manages and saves its own control channel.