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SMIC: subflow-level multi-path interest control for information centric networking

In this paper, we focus on multi-path transport layer mechanisms of ICN. We first provide the comprehensive analysis of design criteria and possible solutions for designing multi-path Interest forwarding and congestion control mechanisms. We then propose a Subflow-level Multi-path Interest Control (SMIC) scheme to enhance the performances of content deliveries over multiple paths, while achieving throughput-friendliness with single path flows (controlled by TCP-like congestion control). Simulation results show that SMIC shortens the content retrieval time compared to other multi-path transport schemes in ICN, achieves the throughput-friendliness with single-path flows, and mitigates the traffic load imbalance among the network links.