QoS-Aware Hierarchical Web Caching Scheme for Online Video Streaming Applications in Internet-Based Vehicular Ad Hoc Networks


Several applications, like intelligent transport system and mobile multimedia, use Internet-based vehicular ad hoc networks (IVANETs). In IVANETs, users typically access multimedia content from anywhere using Net connectivity to remote video streaming servers. Because of the high mobility of the nodes in IVANETs, but, maintaining quality of service (QoS) for these video streaming applications with respect to parameters like jitter, throughput, buffering, and transmission delays may be a challenging task. To address these challenges, we have a tendency to propose a new QoS-aware hierarchical net caching (QHWC) theme in IVANETs. We have a tendency to propose two new metrics, particularly, load utilization ratio (LUR) and query to connectivity ratio (QCR), to take care of the QoS for various video streaming applications in IVANETs. We compare the performance of our proposed QHWC scheme with past approaches, like dynamic service, weighted segment, and machine learning based mostly, using varied parameters like QCR, communication price, question delay, cache hit ratio, query generation rate, invalidation value, and cache update interval. Our results demonstrate that the proposed QHWC theme yields an average decrease of 16.seventy five% and twenty twopercent in communication price and question relay, respectively, and a median increase of nine.thirty one% in cache hit ratio. Moreover, the invalidation cost reduces by twenty six.26percent (on average) in our proposed theme compared with alternative schemes.

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