分布式存储系统(OceanStore)的复制策略  

Replication Strategies for the Distributed Storage System OceanStore

作　　者：姜大光[1] 奚加鹏[1] 

机构地区：[1]北京化工大学信息科学与技术学院,北京100029

出　　处：《计算机工程与科学》2008年第8期144-146,149,共4页Computer Engineering & Science

摘　　要：OceanStore项目是因特网上基于P2P结构的分布存储应用,目标是向用户提供强持久性、高可用性、可扩展性和安全性的服务。它的整个复制策略分为两个大的方面:Erasure Coding和Replication。Erasure Coding主要是保证数据的持久性,Replication主要是保证用户的访问速度。一份数据同时用Erasure Coding和Replication实现。Ocean,Store is a distributed storage application that is based on the P2P structure on the Internet. Its goal is provide strong durability,high availability, extensibility and security for users. Its entire replication strategy is divided into two big aspects： erasure coding and replication. Erasure coding mainly provides data durability, and replication mainly ensures the users＇ access speed. A data is simultaneously realized by erasure coding and replication.

关 键 词：OceanStore 分布存储 P2P 复制策略Tapestry 分布式哈希表 

分 类 号：TP333[自动化与计算机技术—计算机系统结构]