In one embodiment, a method comprises receiving, by a broker device in a persistent data network, a request from one or more sensor consumers for sensor data originated by one or more isolated sensor devices, the isolated sensor devices not reachable by any wired or wireless infrastructure; sending, by the broker device via the persistent data network in response to the request, a message to a mobile collector device indicating an instruction for obtaining the sensor data from the one or more isolated sensor devices; and receiving, by the broker device in the persistent data network, the sensor data from the mobile collector device having established a local data connection with the one or more isolated sensor devices, and in response causing sending of a credit for receiving the sensor data to a registered user of the mobile collector device.