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Content-centric networks have been proposed as a new network paradigm that is centered around the distribution of content. A key idea of content-centric networks is to address content by name and to enable nodes in the network to respond to content requests. Most proposals for content-centric networks require a "Clean slate" approach and a replacement of today's TCP/IP protocol stack, which raises questions about a feasible deployment path. In this paper, the authors ask the question to which extent the ideas of content-centric networks can be realized on top of today's IP protocol suite. They explore an approach for name-based addressing that extends today's TCP/IP protocols in a fully standard compliant way.
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