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In reactive approach, if we want to transfer the data, then find the route. Discovery of the route is immediately found and then transmission of data happens. After discovery, table is updated and data packets delivered accordingly.

While in pro-active, table is already prepared and contains all the information of node. To find the route, discovery in the case of missing link causes delay to produce.

For CrANs, we will use the hybrid base protocol for the transmission of data. It is the combination of pro-active and reactive base route discovery. We can send data to a channel/person by asking for permission by the receiver and can directly send it to the receiver without permission. By using these features, we can make a network more efficient.