A method of utilizing a list of predictive paths by a map-server. The method includes receiving the list of predictive paths, storing the list of predictive paths in a memory, receiving, from a first network element, a request for a location of a user device, the request related to transmitting a packet to the user device, and transmitting, to the first network element, a plurality of user locations based on the list of predictive paths, the plurality of user locations identifying where a second user device will transmit the packet when the packet is received by the second user device.