Caching, replication strategy and implementions of directories in DHT-based filesystem

Recently, most of the traffic on the existing networks is occupied by the content distribution and retrieval. The existing technologies such as the P2P technology and DHT technology although have evolved the scalability, robust, effective of the content distribution, there are some problems existing. P2P technology has been implemented to store and deliver the content stored in the P2P overlay, while DHT technology improves the search performance by indexing the stored and requested contents. Many infrastructure and implementations of the file systems have been proposed by combining the P2P technology and DHT technology, maybe some other technology also be included such as CDN. In this paper, we proposed the caching and replication strategy and corresponding implementations of the directories in the DHT-based filesystems.