Abstract
The development of information technology and the abundance of problems related to vehicular traffic have led to extensive studies on vehicular ad hoc networks (VANETs) to meet various aspects of vehicles, including safety, efficiency, management, and entertainment. In addition to the security applications provided by VANETs, vehicles can take advantage of other services and users who have subscribed to multiple services can migrate between different wireless network areas. Traditionally, roadside units (RSUs) have been used by vehicles to enjoy cross-domain services. This results in significant delays and large loads on the RSUs. To solve these problems, this paper introduces a scheme to share data among different domains. First, a few vehicles called edge computing vehicles (ECVs) are selected to act as edge computing nodes in accordance with the concept of edge computing. Next, the data to be shared are forwarded by the ECVs to the vehicle that has requested the service. This method results in low latency and load on the RSUs. Meanwhile, ciphertext-policy attribute-based encryption and elliptic curve cryptography are used to ensure the confidentiality of the information.
Highlights
Vehicular ad hoc networks (VANETs) is an application of the mobile ad hoc network in the transportation field and is a multi-hop mobile wireless communication network that was first mentioned in 2001 [1]
The main contributions of this paper can be summarized as follows: (1) We propose a scheme that uses edge computing to achieve cross-domain sharing, which can improve the efficiency of vehicles to obtain the data they need for service and greatly reduce the load on roadside unit (RSU)
Asaar et al [18] found that the authentication scheme proposed by Liu et al [19] using proxy vehicles to reduce the computational overhead of RSUs does not guarantee the authenticity of the message, nor can it resist the modification of the attack and the invalid signature of the batch
Summary
Vehicular ad hoc networks (VANETs) is an application of the mobile ad hoc network in the transportation field and is a multi-hop mobile wireless communication network that was first mentioned in 2001 [1]. There is a moving vehicle with a lower oil level that needs to know the location of nearby gas stations, by using our scheme, it can quickly obtain real-time information through the interaction of ECVs. As far as we know, there is no research on combining ECC with edge computing for cross-domain data sharing, so we explored and proved its feasibility and significance. (1) We propose a scheme that uses edge computing to achieve cross-domain sharing, which can improve the efficiency of vehicles to obtain the data they need for service and greatly reduce the load on RSUs.
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