Abstract
Service discovery studies in vehicular networks that guarantee QoS requirements to service requesters are very important. To the best of authors' knowledge, none of the existing service discovery protocols in vehicular networks have been provided in the literature that guarantee QoS to service requesters and to the vehicular network. For efficient service discovery in vehicular networks, it is very important to provide users with services that suit better to their requests while balancing the load on service providers. Moreover, for service discovery protocol integrated with routing protocols, it is important to guarantee load balancing on routing paths between service providers and service requesters. In this article, we present a QoS aware location-based service discovery protocol for vehicular networks. Our protocol guarantees load balancing on service providers, and routing paths between service providers and service requesters. It permits also to choose service providers and routing paths between service providers and service requesters that satisfy some performance attributes specified by service requesters. We present our QoS aware protocol, prove its correctness, report on its performance evaluation, and discuss our experimental results we have obtained using realistic scenarios.
Highlights
We have noticed an increasing interest in the study of service discovery protocols in vehicular networks
We present the following lemmas that prove that our proposed QoSLocVSDP guarantees the load balancing of service queries among service providers and RRs, and that our QoSLocVSDP satisfies the QoS requirements imposed by the service requester in the different road components
We considered 9 service providers located in the region of interest (RI) and providing the same service requested by the 40 service clients circulating in the vehicular network
Summary
We have noticed an increasing interest in the study of service discovery protocols in vehicular networks. We propose a load balancing, QoS-aware and location-based service discovery protocol for vehicular networks. Our proposed load balancing and QoS-based location aware discovery protocol (QoSLocVSDP) would permit to a service requester to connect to the appropriate less congested service provider through the less congested routing path. 2. Related studies Very little study has been done on the design of load balancing and QoS-based service discovery protocol in vehicular networks [4]. Klimin et al [2] proposed a hybrid service discovery protocol in ad hoc vehicular networks Their approach combines the proactive dissemination of advertisement messages and the reactive propagation of discovery requests. We discuss the features of the QoSLocVSDP and we compare it to the original LocVSDP
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