Content-Aware Caching in SDN-Enabled Virtualized Wireless D2D Networks to Reduce Visiting Latency

In this paper, we propose a content-aware cache resource slicing framework in software-defined information-centric virtualized wireless device-to-device (D2D) networks. In incorporating D2D communications, we attain the benefits of reuse and proximity gains, and by using the software defined network as a platform, we simplify the computational overhead. In this framework, we devise a cache allocation solution aimed at the latency-sensitive applications in the next-generation cellular networks. As the formulated problem is NP-hard, we evaluate four algorithms until we arrive at the most optimal solution. The heuristic solutions we provide are intuitive, yet efficient, and offer very low computational complexity.