Bidding Price-Based Transaction: Trust Establishment for Vehicular Fog Computing Service in Rural Area

In the time of passing through rural area, vehicles sometimes need to deal with blank spots of wireless network (4G/5G/WiFi/others). As a result, vehicles are unable to access fog computing service based on road side unit (RSU) infrastructure. To deal with this situation, vehicles utilize other vehicles' huge computational resource during their travel. However, it is not easy to put trust on other unknown vehicles since it can lead to a serious consequence for both user and server of vehicular fog computing service. In this paper, we attempt to fill gaps on establishing a trusted vehicular fog computing environment by mean of bidding price-based transaction (BPT) method. Through this method, vehicles do not need to encounter any trusted third party to have fog computing transaction with other vehicles. Moreover, every malicious activity may cause actors to lose bidding and trust, and then victim will gain redeem point as the compensation for receiving loss in transaction. In the end, this novel method is effective in limiting the number of potential attacks by mean of bidding price and payoff.