Prototyping high efficiency cloud computing architecture: Implementation of a content delivery network server on FPGA

Along with the development of cloud computing the shift of local applications to cloud computing server is evolving in earnest. Massive volumes of data on servers have to delivered to end-users who usually expect high availability and high performance during the delivery. To address the needs of high performance delivery, content delivery network (CDN) provides a significant fraction of Internet contents today, including at least basic web page components (text, graphics, URLs and scripts), plug-in components (audio and video files, software, documents), and application (e-commerce, portals), et al.. Considerable efforts have been invested in CDN structure and web caching with different optimizing strategies, but few existing studies have been directly focused on improving the architecture of CDN itself. In this paper, we propose an innovative high efficiency architecture of CDN download server and implement it on FPGA(field programmable gate array). We manage to complete an evaluation system which exhibits higher throughput, lower power consumption. The whole system is implemented in hardware without operating system to reach a much higher efficiency than implementation in software running on generic processors.