Abstract
The wan Internet storage system based on Distributed Hash Table uses fully distributed data and metadata management, and constructs an extensible and efficient mass storage system for the application based on Internet. However, such systems work in highly dynamic environments, and the frequent entry and exit of nodes will lead to huge communication costs. Therefore, this paper proposes a new hierarchical metadata routing management mechanism based on DHT, which makes full use of the node stabilization point to reduce the maintenance overhead of the overlay. Analysis shows that the algorithm can effectively improve efficiency and enhance stability.
Highlights
In recent years, along with the proliferation of Internetbased applications, the rapidly increasing number of users share files and data over the network [1]
The virtualized file systems based on structured overlay networks and Distributed Hash Table provide an effective large-scale network storage system model consisting of personal computers and file servers distributed over a wide area Internet network
Recently large-scale network storage systems based on structured overlay networks and distributed hash tables have become a new trend in the development of distributed storage technologies [5]
Summary
Along with the proliferation of Internetbased applications, the rapidly increasing number of users share files and data over the network [1]. Files such as multimedia and high-definition video contain more data than ever before. Each node has a part of system files and metadata dispersedly stored, and is integrated into a single large file system through file system virtualization technology. Typical systems in this area are Oceanstore, Farsite and CFS.
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