Energy efficient thresholds for cached content in Content Centric Networking

In this paper we investigate the impact of caching content on Content Centric Networking (CCN) taking into account the energy efficiency of the caching strategy. We analyse the different threshold levels from which caching content starts to be beneficial based on two metrics, and take into consideration the used storage technologies and the location of the CCN router. Based on the presented analytical results we address practical issues regarding the possible deployment of CCN routers from an energy efficiency and performance trade-off point of view. This work lays down the foundation for the development of a model to design practical caching strategies in CCN taking into account the energy efficiency of different approaches.