Hash-routing has been proposed in the past as a mappingmechanism between object requests and cache clusters withinenterprise networks.In this paper, we revisit hash-routing techniques and apply them to Information-Centric Networking (ICN) environments, where network routers have cache space readily available. In particular, we investigate whether hash-routing is aand enable efficient caching approach when applied outsideenterprise networks, but within the boundaries of a domain.We design five different hash-routing schemes which efficiently exploit in-network caches without requiring networkrouters to maintain per-content state information.We ev aluate the proposed hash-routing schemes using extensive simulations over real Internet domain topologies andcompare them against various on-path caching mechanisms.We show that such schemes can increase cache hits by up to31% in comparison to on-path caching, with minimal impacton the traffic dynamics of intra-domain links.
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