Learning Automata Based Caching for Efficient Data Access in Delay Tolerant Networks
Joint Authors
Shi, Ke
Ma, Zhenjie
Wang, Haoran
Wang, Xinda
Source
Wireless Communications and Mobile Computing
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-19, 19 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-03-05
Country of Publication
Egypt
No. of Pages
19
Main Subjects
Information Technology and Computer Science
Abstract EN
Effective data access is one of the major challenges in Delay Tolerant Networks (DTNs) that are characterized by intermittent network connectivity and unpredictable node mobility.
Currently, different data caching schemes have been proposed to improve the performance of data access in DTNs.
However, most existing data caching schemes perform poorly due to the lack of global network state information and the changing network topology in DTNs.
In this paper, we propose a novel data caching scheme based on cooperative caching in DTNs, aiming at improving the successful rate of data access and reducing the data access delay.
In the proposed scheme, learning automata are utilized to select a set of caching nodes as Caching Node Set (CNS) in DTNs.
Unlike the existing caching schemes failing to address the challenging characteristics of DTNs, our scheme is designed to automatically self-adjust to the changing network topology through the well-designed voting and updating processes.
The proposed scheme improves the overall performance of data access in DTNs compared with the former caching schemes.
The simulations verify the feasibility of our scheme and the improvements in performance.
American Psychological Association (APA)
Ma, Zhenjie& Wang, Haoran& Shi, Ke& Wang, Xinda. 2018. Learning Automata Based Caching for Efficient Data Access in Delay Tolerant Networks. Wireless Communications and Mobile Computing،Vol. 2018, no. 2018, pp.1-19.
https://search.emarefa.net/detail/BIM-1215985
Modern Language Association (MLA)
Ma, Zhenjie…[et al.]. Learning Automata Based Caching for Efficient Data Access in Delay Tolerant Networks. Wireless Communications and Mobile Computing No. 2018 (2018), pp.1-19.
https://search.emarefa.net/detail/BIM-1215985
American Medical Association (AMA)
Ma, Zhenjie& Wang, Haoran& Shi, Ke& Wang, Xinda. Learning Automata Based Caching for Efficient Data Access in Delay Tolerant Networks. Wireless Communications and Mobile Computing. 2018. Vol. 2018, no. 2018, pp.1-19.
https://search.emarefa.net/detail/BIM-1215985
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1215985