A discovering master communication device for discovering high resources consuming wireless network resources to optimize resources consumption during network discovery session(s) within a group of nearby communication devices, comprising: a first interface for communicating with remote site(s) over high resources consuming wireless network(s), a second interface for communicating with nearby device(s) which include similar first interface and located within range of the second interface. For a similar communication session, resources consumption of the second interface is lower compared to the first interface, and processor(s) executing a stored code for activating the first interface to discover availability of high resources consuming wireless network resource(s) with assistance of the nearby device(s), sending availability message to the nearby device(s) over the second interface, and sending master assignment message to one of the nearby device(s) over the second interface.