Towards on-path caching alternatives in Information-Centric Networks

Abstract

Information-Centric Networking (ICN), an alternative to the current Internet architecture, focuses on the distribution and retrieval of content instead of the transfer of information between specific endpoints. Approaches to ICN employ caches in the network to eliminate the transfer of information over lengthy communication paths from a source to consumers. The contribution of this paper lies in the placement of copies in on-path in-network caching. Our goal is to investigate the suitability of a probabilistic algorithm, Prob-PD, based on two variables, the content's popularity rates and the distance ratio of each node from the source, with regard to caching performance, i.e. cache hit rates, cache replacement rates and content delivery times. Towards this goal, we present an initial comparison of simulation results of the proposed caching mechanism and published alternatives showing significant gains of the algorithm.