On-path caching in information-centric networking

On-path caching is a key component of information-centric networking (ICN) for reducing content download time, network traffic, and server workload. In this paper, we explore the impact of representative caching strategies on the performance of the on-path caching. Simulation results show that the cache placement strategy is important in achieving good cache performance. On the contrary, cache replacement strategies do not show obvious performance improvement. In particular, stand-alone caching strategies show limitations on their capability of reducing content download time.