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Popularity-Based Adaptive Content Delivery Scheme with In-Network Caching

Kim, JY, Lee, GM and Choi, JK (2014) Popularity-Based Adaptive Content Delivery Scheme with In-Network Caching. ETRI Jouranl, 36 (5). ISSN 1225-6463

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Abstract

To solve the increasing popularity of video streaming services over the Internet, recent research activities have addressed the locality of content delivery from a network edge by introducing a storage module into a router. To employ in-network caching and persistent request routing, this paper introduces a hybrid content delivery network (CDN) system combining novel content routers in an underlay together with a traditional CDN server in an overlay. This system first selects the most suitable delivery scheme (that is, multicast or broadcast) for the content in question and then allocates an appropriate number of channels based on a consideration of the content’s popularity. The proposed scheme aims to minimize traffic volume and achieve optimal delivery cost, since the most popular content is delivered through broadcast channels and the least popular through multicast channels. The performance of the adaptive scheme is clearly evaluated and compared against both the multicast and broadcast schemes in terms of the optimal in-network caching size and number of unicast channels in a content router to observe the significant impact of our proposed scheme.

Item Type: Article
Uncontrolled Keywords: 0906 Electrical And Electronic Engineering, 0806 Information Systems, 0802 Computation Theory And Mathematics
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Computer Science
Publisher: Electronics and Telecommunications Research Institute (ETRI)
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Date Deposited: 13 Sep 2018 11:27
Last Modified: 14 Sep 2018 11:04
DOI or Identification number: 10.4218/etrij.14.0113.0090
URI: http://researchonline.ljmu.ac.uk/id/eprint/507

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