SADP: A Lightweight Beaconing-Based Commercial Services Advertisement Protocol for Vehicular Ad Hoc Network

Ullah, Kifayat; Santos, Luz Marina; Ribeiro, João Batista; Moreira, Edson dos Santos

doi:10.1007/978-3-319-40509-4_20

Cited by 10 publications

(12 citation statements)

References 13 publications

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“…We decided to carry out simulations on the basis of the studies [31,32]. We took advantage of opportunistic encounters between vehicles to exchange data, and evaluate the opportunistic message forwarding application.…”

Section: Simulation Setupmentioning

confidence: 99%

An evaluation of reputation with regard to the opportunistic forwarding of messages in VANETs

Santos

Moreira

2019

J Wireless Com Network

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A mechanism for trust management is required in vehicular ad hoc networks (VANETs) to record the behavior of the vehicles. However, it is a complex matter to follow the historical behavior of the vehicles, since their identities are protected by pseudonyms, which are constantly changing to prevent tracking. In our proposal based on a centralized reputation system, being a vehicle well behaved in the opportunistic forwarding of messages comprises two components: reputation for messages creation and for messages forwarding. The vehicles can forward messages at a given time, and the types of messages that are sent in each transaction may require a vehicle reputation score. In this case, the decision of a vehicle to accept a message is based on the reputation of the sender vehicle that created or forwarded the message. We describe the reputation system through the first three levels of a functional ontology and finite state machines. We evaluate the system by means of simulations in an urban scenario to obtain the reputations of forwarding and generation of messages, varying the number of misbehaving vehicles. It was found that a centralized reputation scheme reflects the behavior of the vehicles insofar as feedback is delivered to the reputation server.

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Section: Simulation Setupmentioning

confidence: 99%

An evaluation of reputation with regard to the opportunistic forwarding of messages in VANETs

Santos

Moreira

2019

J Wireless Com Network

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“…In VANETs, decision-making uses the reputation, such as forwarding or rejecting packets sent by a vehicle, regarding or disregarding it as an option in the routing of data, etc. [39]. Our strategy assumes that if there are no malicious vehicles around when the change condition triggers, there is no risk of tracking and consequently a pseudonym change is not necessary.…”

Section: Including the Reputation Status (Rst)mentioning

confidence: 99%

Pseudonym change strategy based on the reputation of the neighbouring vehicles in VANETs

Jaimes

Moreira

2019

DYNA

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Pseudonym change schemes have been studied in VANETs to guarantee the property of untraceability of the vehicles. This paper proposes a new condition based on the assumption that if there are no malicious vehicles around when a synchronous change triggers, there is no risk of tracking, and the pseudonym change defers until a time threshold. Thus, our proposal based on a synchronous strategy to increase the anonymity set, adds to the change condition, the checking of the reputation status of the neighbouring vehicles. The reputation status is the result of discretizing the reputation score of the vehicles and it is part of the periodically broadcast beacon messages. The proposal was evaluated through simulations using a real scenario. The results showed an optimization in the use of pseudonyms maintaining similar anonymity levels with other schemes.

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“…In some scenarios such as main roads where the vehicles travel at high speed (e.g. 120 Km/h) and if the vehicles are moving in the opposite direction, the contact time between them is very short to interchange messages (ULLAH et al, 2016;ULLAH et al, 2015). In these conditions the VANET need to guarantee the minimum delays for that the applications function correctly.…”

Section: Availabilitymentioning

confidence: 99%

“…In the second place, the financial support will come from the Service Providers interested in selling products or services through the VANETs. The administration of main roads and service providers such as business owners or companies who have business alongside the main roads, might wish to advertise their services to the nearby vehicles and thus target many potential customers as in (ULLAH et al, 2016). Financial entities such as banks, credit card companies, payment systems and insurance companies will also be interested in investing in new business involving VANETs which handle sensitive information for reputation.…”

Section: Overall Operational Forecasted Costsmentioning

confidence: 99%

“…Hence, we decided to carry out simulations to validate the Privacy-Preserving Reputation Scheme (PPRS). On the basis of our previous studies in (YOKOYAMA et al, 2014;ULLAH et al, 2015;ULLAH et al, 2016), we took advantage of opportunistic encounters between vehicles to exchange data, and evaluate our scheme implemented in an opportunistic message forwarding application. A vehicle makes a decision of to accept a message based on the reputation of the sender vehicle that created or forwarded the message.…”

Section: Chapter 4 An Evaluation Of Reputation With Regard To the Oppmentioning

confidence: 99%

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A privacy-preserving reputation scheme for trust management on VANETs applications

Jaimes¹

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I dedicate this dissertation to my parents Julio and Alicia, husband Juan Carlos, daughter Andrea, son Juan Camilo, family and friends, for their love, comprehension and support during my Doctorate studies. I am also grateful to the University of Pamplona, Colombia for providing financial support for doing my Doctorate studies. My deepest gratitude goes to my parents, family, relative and friends who prayed for me and supported me morally throughout my studies.

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SADP: A Lightweight Beaconing-Based Commercial Services Advertisement Protocol for Vehicular Ad Hoc Network

Cited by 10 publications

References 13 publications

An evaluation of reputation with regard to the opportunistic forwarding of messages in VANETs

An evaluation of reputation with regard to the opportunistic forwarding of messages in VANETs

Pseudonym change strategy based on the reputation of the neighbouring vehicles in VANETs

A privacy-preserving reputation scheme for trust management on VANETs applications

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