On the Design and Implementation of a Wide-Area Object-Oriented Distributed File System with Replication Management on MOSP
Date Issued
2008
Date
2008
Author(s)
Cheng, Ya-Ling
Abstract
With the rapid growth of computer networks and the price-reduction of computer storage, more and more personal computer users are able to afford large hard drives and high speed internet services. Now, it is common for personal users to possess more than one storage device on different computers and backup their critical files. This is an increased demand to access, share and backup files remotely through the Internet or other networks with reasonable performance and reliability. However, most of the current distributed file systems are designed for LANs, and intended to provide centralized file servers for use in Intranet environments to eliminate storage costs and management requirements. They do not gracefully handle inter-platform file access, sharing and backup over the WAN. Besides, most current distributed file systems provide fixed interfaces, not offering the flexibility for programmers or service providers to extend interfaces to meet customized requirements.n this thesis, we are developing an object-oriented distributed file system that supports file access, sharing and replication over the WAN. The system is a logical file system that can integrate all kinds of underlying physical file systems, providing an identical way to manipulate local and remote files. We build our system on MOSP because it provides a simple way to develop an object-oriented networked system and it accommodates heterogeneous platforms and network protocols, which helps achieve our goal of supporting boundless and seamless file sharing over the WAN. In addition, we propose a new replication management mechanism, which addresses the performance and reliability concerns.
Subjects
Distributed File System
Replication Management
Extensible File System
Object-Oriented System
Wide-Area Network File Sharing
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