A method for allocating a service request from a mobile object is provided. The method includes receiving the service request and a route of the mobile object, determining estimated arrival times of the mobile object in a plurality of regions based on the route, the plurality of regions being associated with a plurality of regional servers, respectively, determining a region among the plurality of regions based on the estimated arrival times of the mobile object in the plurality of regions and an estimated time for fulfilling the service request, and transmitting the service request to a regional server corresponding to the determined region.