PYI: The Sharing of Data in Distributed Environments

PYI：分布式环境中的数据共享

• 批准号: 8657907
• 负责人: Mahadev Satyanarayanan
• 金额: $ 31.2万
• 依托单位: Carnegie-Mellon University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1987
• 资助国家: 美国
• 起止时间: 1987-07-01 至 1992-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8657907&HistoricalAwards=false
• 关键词: PYI; Sharing; Data; Distributed; Environments

The focus of this research is the sharing of data in distributed environments. The Andrew File System addressed the issue of providing a secure, location transparent name space in a large distributed environment. This system is now operational and widely used on the CMU campus and elsewhere. As dependence on such systems grows, it becomes increasingly important to be able to access data at all times. The inaccessibility of data due to server and network failures causes considerable inconvenience in a system such as Andrew. Replication of data at multiple sites is a technique that has been the subject of much recent theoretical investigation. The project's goal is to use these algorithms in the design and implementation of CODA, a distributed file system that is resilient to server and network failures. In normal operation, the performance of this system should be no worse than that of an equivalent non-resilient distributed file system. Since replication involves data transfer to multiple servers, the development of parallel network protocols is an essential part of this effort. The evaluation of alternative replication algorithms, the development of techniques to handle network partitions, and the analysis and modeling of such a system are necessary parts of the project.

本文研究的重点是分布式环境下的数据共享 环境. Andrew文件系统解决了提供 安全的、位置透明的名称空间， 环境 该系统现已在CMU上运行并广泛使用 校园和其他地方。 随着对这些系统的依赖性越来越大， 能够随时访问数据变得越来越重要。 的 由于服务器和网络故障导致的数据无法访问 在像安德鲁这样的系统中存在相当大的不便。 在多个站点复制数据是一种技术， 最近的理论研究的主题。 该项目的目标是 为了在CODA的设计和实现中使用这些算法， 对服务器和网络具有弹性的分布式文件系统 失败在正常运行中，该系统的性能应 不会比同等的非弹性分布式文件差 系统 由于复制涉及到向多个服务器传输数据， 并行网络协议的开发是 这种努力。 替代复制算法的评估， 开发处理网络分区的技术，并分析 和建模这样一个系统是该项目的必要组成部分。