Abstract
Passing through a rural area with a limited network infrastructure may disrupt fog computing support for vehicles. As a result, some applications on vehicles may turn off and bother the performance of the vehicular systems. In order to escape from this kind of situation, vehicular fog computing is discussed in recent times as an alternative of fog computing support while passing through a blank spot of network infrastructure. However, it is not feasible to establish a trusted vehicular fog computing service among vehicles without mutual trust. To deal with this situation, this paper proposes a method called Bidding-Price-based Transaction (BPT) for vehicular fog computing service in rural areas. This method is composed of bidding-price-based mutual trust establishment between client vehicle and server vehicle and also payoff assignment based on transaction evaluation. By applying this method, trusted fog computing service transactions between two vehicles can be achieved without the direct assistance of any trusted third party as a validating entity. The simulation results and feasibility analysis then validate the performance of the BPT scheme in rural areas. Based on feasibility analysis, we claim that the BPT scheme can be realized by adjusting vehicle speed and transmission range with respect to the size of offloaded data.
Highlights
F OG computing service in the vehicular network has emerged as a main concept to support the implementation of the intelligent transportation system
In order to attract the participation of prospective vehicles with rich computational resources and to give security and privacy assurance to the client vehicles, this paper proposes Bidding-Price-based Transaction (BPT) for vehicular fog computing service in rural areas
We present a concept of establishing trusted vehicular fog computing service by incorporating three prominent aspects, which are 1) entities authentication and session key generation employing J-PAKE scheme [39], 2) the biddingprice-based transaction for mitigating the risk of attacks and attracting the participation of other vehicles, and 3) certified evaluation system by means of blockchain approach
Summary
F OG computing service in the vehicular network has emerged as a main concept to support the implementation of the intelligent transportation system. In order to attract the participation of prospective vehicles with rich computational resources and to give security and privacy assurance to the client vehicles, this paper proposes Bidding-Price-based Transaction (BPT) for vehicular fog computing service in rural areas. This method is constructed by using bidding-price, which can be seen as the service cost and compensation cost at the latter part of global trust evaluation, and blockchain approach as local trust enabler of fog computing service transaction. Several related works are analyzed in the simulation part for enhancing the discussion part, especially the advantages and disadvantages of our BPT scheme
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