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

Content Provider	IEEE Xplore Digital Library
Author	Kumar, N. Zeadally, S. Rodrigues, J.J.P.C.
Copyright Year	1982
Abstract	Many applications, such as intelligent transport system and mobile multimedia, use Internet-based vehicular ad hoc networks (IVANETs). In IVANETs, users often access multimedia content from anywhere using Internet connectivity to remote video streaming servers. Due to the high mobility of the nodes in IVANETs, however, maintaining quality of service (QoS) for these video streaming applications with respect to parameters such as jitter, throughput, buffering, and transmission delays is a challenging task. To address these challenges, we propose a new QoS-aware hierarchical web caching (QHWC) scheme in IVANETs. We propose two new metrics, namely, load utilization ratio (LUR) and query to connectivity ratio (QCR), to maintain the QoS for various video streaming applications in IVANETs. We compare the performance of our proposed QHWC scheme with past approaches, such as dynamic service, weighted segment, and machine learning based, using various parameters such as QCR, communication cost, query delay, cache hit ratio, query generation rate, invalidation cost, and cache update interval. Our results demonstrate that the proposed QHWC scheme yields an average decrease of 16.75% and 22% in communication cost and query relay, respectively, and an average increase of 9.31% in cache hit ratio. Moreover, the invalidation cost reduces by 26.26% (on average) in our proposed scheme compared with other schemes.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	7892
Ending Page	7900
Page Count	9
File Size	941114
File Format	PDF
ISSN	02780046
Volume Number	62
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vehicles Streaming media Servers Delays Mathematical model Quality of service Vehicle dynamics Vehicular networking Caching Networks Internet Streaming vehicular networking Caching networks streaming
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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