Abstract
In the current IP networks, content replication and inter-domain Traffic Engineering (TE) are manipulated by different entities with respective objectives, and work at different layers as well. In Information-Centric Networking (ICN), however, they can both be administered by Internet Service Providers (ISPs) and work at the same network layer. In this paper, we present our study of jointly optimizing content replication and inter-domain TE in ICN, which aims at maximizing the profit of inter-domain traffic for an ISP while constrained by the limits of link bandwidth and the availability of contents. Results show that our algorithms can increase the ISP's profit by 66% and reduce the link utilization by 23% on average, which are near-optimal and with much less running time.
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