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Content-Centric Networking (CCN) advocates a new transport model tailored to named-data communication. Three features distinguish CCN transport from the TCP/IP model: unique endpoint at the receiver, pull-based data retrieval in a point to multi-point fashion and in-path caching. The definition of transport control mechanisms is of fundamental importance within the CCN architectural design and beyond, in the broader scope of information-centric networks. In this paper, the authors propose a joint Hop-by-hop and Receiver-driven Interest Control Protocol (HR-ICP) to regulate user requests (Interests) either at the receiver and at intermediate nodes via Interest shaping.
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