Design of a Scalable, Fault Tolerant, Heterogeneous and Secured Distributed Storage Framework

C.L.J. Jerre Louis, C. Aravindan
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引用次数: 2

Abstract

In this paper, we present the design of a scalable, fault tolerant, heterogeneous and secured distributed storage framework named SCAVENGER which would aggregate the free storage spaces of the personal computers. The datasets are fragmented and stored with enough replication in different systems. Our design includes a SCAVENGER protocol suite to monitor the joining of new system to the framework, data storage, data retrieval, system failures and network failures. We use multiple managers to make our design scalable. A synchronization protocol is designed to synchronize the data among the multiple managers quickly using the Double Tree Algorithm. We have also designed a fault tolerance model based on the parameters like blackout time, overlap time, latency, trust, load and replication. This is a minimization model which will be a fitness function for Genetic Algorithm to make decision upon the fragment size, the location of storage and the number of replications. Security is provided throughout the SCAVENGER framework by using the cryptographic mechanisms.
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一种可伸缩、容错、异构和安全的分布式存储框架设计
本文提出了一种可扩展、容错、异构、安全的分布式存储框架SCAVENGER,用于聚合个人计算机的空闲存储空间。数据集是碎片化的,并以足够的复制存储在不同的系统中。我们的设计包括一个SCAVENGER协议套件,用于监控新系统加入框架、数据存储、数据检索、系统故障和网络故障。我们使用多个管理器使我们的设计可扩展。设计了一种同步协议,利用双树算法实现多个管理器之间的数据快速同步。我们还设计了基于停电时间、重叠时间、延迟、信任、负载和复制等参数的容错模型。这是一个最小化模型,它将成为遗传算法决定片段大小、存储位置和复制次数的适应度函数。通过使用加密机制,在整个SCAVENGER框架中提供安全性。
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