A user-level secure grid file system

Ming Zhao, Renato J. O. Figueiredo
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引用次数: 4

Abstract

A grid-wide distributed file system provides convenient data access interfaces that facilitate fine-grained cross-domain data sharing and collaboration. However, existing widely-adopted distributed file systems do not meet the security requirements for grid systems. This paper presents a Secure Grid File System (SGFS) which supports GSI-based authentication and access control, end-to-end message privacy, and integrity. It employs user-level virtualization of NFS to provide transparent grid data access leveraging existing, unmodified clients and servers. It supports user and application-tailored security customization per SGFS session, and leverages secure management services to control and configure the sessions. The system conforms to the GSI grid security infrastructure and allows for seamless integration with other grid middleware. A SGFS prototype is evaluated with both file system benchmarks and typical applications, which demonstrates that it can achieve strong security with an acceptable overhead, and substantially outperform native NFS in wide-area environments by using disk caching.
用户级安全网格文件系统
网格范围的分布式文件系统提供方便的数据访问接口,促进细粒度的跨域数据共享和协作。然而,现有的广泛采用的分布式文件系统不能满足网格系统的安全要求。本文提出了一种安全网格文件系统(SGFS),它支持基于gsi的身份验证和访问控制、端到端消息隐私和完整性。它使用NFS的用户级虚拟化来利用现有的、未修改的客户机和服务器提供透明的网格数据访问。它支持每个SGFS会话的用户和应用程序定制的安全定制,并利用安全管理服务来控制和配置会话。该系统符合GSI网格安全基础设施,并允许与其他网格中间件无缝集成。使用文件系统基准测试和典型应用程序对SGFS原型进行了评估,结果表明它可以在可接受的开销下实现强大的安全性,并且通过使用磁盘缓存在广域环境中大大优于本机NFS。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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