Journal
MULTIMEDIA TOOLS AND APPLICATIONS
Volume 77, Issue 14, Pages 17625-17642Publisher
SPRINGER
DOI: 10.1007/s11042-017-5183-y
Keywords
Content-centric network; Routing; Centrality; Caching; Content delivery
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Content-centric networking (CCN) is gradually becoming an alternative approach to the conventional Internet architecture through the distribution of enlightening information (named as content) on the Internet. It is evaluated that the better performance can be achieved by caching is done on a subset of content routers instead of all the routers in the content delivery path. The subset of a content router must be selected in a manner such that maximum cache performance can be achieved. Motivated by this, we propose a Centrality-measures based algorithm (CMBA) for selection of an appropriate content router for caching of the contents. The Centrality-measures are based on the question: Who are the most important or central content router in the network for the caching of contents?. We found that our novel CMBA could improve content cache performance along the content delivery path by using only a subset of available content routers. Our results recommend that our proposed work consistently achieves better caching gain across the multiple network topologies.
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