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Caching Strategy Based on Hierarchical Cluster for Named Data Networking
School of Electronic and Information Engineering, Beijing Jiaotong University.
School of Electronic and Information Engineering, Beijing Jiaotong University.
School of Electronic and Information Engineering, Beijing Jiaotong University.
5G-IC, Department of Electrical and Electronic Engineering, Institute for Communication Systems, University of Surrey.
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2017 (English)In: IEEE Access, E-ISSN 2169-3536, Vol. 5, 8433-8443 p., 7898837Article in journal (Refereed) Published
Abstract [en]

The in-network caching strategy in named data networking can not only reduce the unnecessaryfetching of content from the original content server deep in the core network and improve the user responsetime, but also ease the trafc in the core network. However, challenges exist in in-network caching, suchas the distributed locations of storage and relatively small cache space which limit the hit rate, and thecache management introduces further overhead. In this paper, we propose a two-layer hierarchical clusterbasedcaching solution to improve in-network caching efciency. A network is grouped into several clusters,then, a clusterhead is nominated for each cluster to make caching decision. The clustering approach offersscalability and permits multiple aspects of inputs to be used for decision making. Our solution jointlyconsiders the location and content popularity for caching.We implement our strategy in ndnSIM and test it onGEANT-based network and AS3967 network. Our simulation results show signicant improvement over itspeers.INDEX

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. Vol. 5, 8433-8443 p., 7898837
National Category
Media and Communication Technology
Research subject
Mobile and Pervasive Computing
Identifiers
URN: urn:nbn:se:ltu:diva-64501DOI: 10.1109/ACCESS.2017.2694045ISI: 000403140800138Scopus ID: 2-s2.0-85028354560OAI: oai:DiVA.org:ltu-64501DiVA: diva2:1115115
Note

Validerad;2017;Nivå 2;2017-06-26 (andbra)

Available from: 2017-06-26 Created: 2017-06-26 Last updated: 2017-11-29Bibliographically approved

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Vasilakos, Athanasios

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