A distributed in-network caching scheme for P2P-like content chunk delivery

Zhang, Xu, Wang, Ning, Vassilakis, Vassilios and Howarth, Michael (2015) A distributed in-network caching scheme for P2P-like content chunk delivery. Computer Networks, 91. pp. 577-592.

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Abstract

In-network content caching has recently emerged in the context of information-centric networking
(ICN), which allows content objects to be cached at the intermediate router side.
In this paper, we specifically focus on in-network caching of peer-to-peer (P2P)-like content
objects for improving both service and operation efficiencies. We propose a fully distributed
in-network caching protocol for P2P-like content chunks, aiming to reduce P2P based content
traffic load and also to achieve improved content distribution performances. Toward this end,
the proposed holistic decision-making logic takes into account context information of both
the underlying network and the P2P characteristics, such as chunk availability, popularity and
peer distances. In addition, we also analyse the benefit of coordination between neighbouring
content routers when making caching decisions in order to avoid duplicated P2P chunk
caching nearby. An analytical modelling framework is developed to quantitatively evaluate
the efficiency of the proposed in-network caching scheme. Extensive experiments are also
conducted to validate the analytical results.

Item Type: Article
Subjects: Computing
Related URLs:
Depositing User: Vasileios Vasilakis
Date Deposited: 04 May 2016 14:24
Last Modified: 07 Nov 2016 20:36
URI: http://repository.uwl.ac.uk/id/eprint/1974

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