A method for organizing and maintaining an ad-hoc network for communication between a plurality of moving devices is disclosed. The method comprises the steps of grouping the plurality of moving devices into at least one local peer group (LPG) , ordering the plurality of devices within each LPG based upon a relative position of each of the plurality of devices within each LPG and assigning a unique identifier for each of the plurality of moving devices, where the unique identifier is based, in part on the LPG that the corresponding moving device is located.