电子政务中基于灾害索引度量机制的灾后恢复IT框架

Zhenhua Wu, Y. Ni
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引用次数: 3

摘要

近年来,自然灾害的频率急剧增加,特别是地震活动达到了一个新的高峰,如中国的汶川地震,意大利的拉奎拉地震。灾害不仅会造成不可估量的人员伤亡和基础设施的破坏,而且会造成信息和数据的丢失,这将给灾后重建项目带来很大的麻烦,因为重新收集工作将是耗时的,需要不可预测的努力。本文提出了一种新的灾难恢复IT框架。该框架与P2M(点对多点)和P2P(点对点)相结合,形成分布在不同地理位置的分层IT基础设施。它通过DIMM (Disaster Indexing Measurement Mechanism,灾难索引度量机制)来保证数据的高可用性,该机制采用基于分层结构的数据备份和远程同步调度模型。当灾难发生时,框架可以从其分层结构中快速恢复该区域丢失的数据,同时DIMM保证数据的高可用性,避免数据丢失。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Disaster-Recovery IT Framework Based on Disaster Indexing Measurement Mechanism in E-Government
Recently, the frequency of natural disasters is increasing sharply, especially the seismic activities which have been reached to a new peak, such as WenChuan earthquake in China, L’Aquila earthquake in Italy. The disasters not only cause immeasurable casualties and infrastructures damage, but information and data losses, which will bring big troubles to the post-disaster reconstruction projects, since the re-collect work will be time-consuming and need unpredictable efforts.In this paper, a new disaster-recovery IT framework is proposed. The framework is combined with P2M (point to multi-points) and P2P (point to point) to form a hierarchical IT infrastructure distributed in different geographic location. It ensures the high availability for the data through the DIMM (Disaster Indexing Measurement Mechanism), which uses a scheduling model for the data backup and synchronization locally and remotely, based on the hierarchical infrastructure. Once the disaster happens, the framework can quickly regain the lost data in the area from its hierarchical structure, meanwhile the DIMM guarantees to maintain the data with high availability and avoid data losses.
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