面向信息系统的生存性恢复机制

夏秦; 王志文; 邹华峰; 冯博琴

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面向信息系统的生存性恢复机制

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- 面向信息系统的生存性恢复机制
- A Recovery Mechanism of Survivability for Information System
- 西安交通大学学报 2010年44卷第4期页码：18-22
- 作者机构：
  
  西安交通大学电子与信息工程学院,西安,710049
- 作者简介：
- 基金信息：
  
  : 2009-10-20. 作者简介: 夏秦(1973-),女,讲师,博士生. 基金项目:国家自然科学基金资助项目(60970121);国家科技人员服务企业行动计划资助项目(2009GJG00025);西安交通大学科研基金
- DOI：
  中图分类号： TP393
- 网络首发：2010-04-10，
  
  纸质出版：2010
- 稿件说明：
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夏秦, 王志文, 邹华峰, 等. 面向信息系统的生存性恢复机制[J]. 西安交通大学学报, 2010,44(4):18-22.

A Recovery Mechanism of Survivability for Information System[J]. 2010, 44(4): 18-22.
夏秦, 王志文, 邹华峰, 等. 面向信息系统的生存性恢复机制[J]. 西安交通大学学报, 2010,44(4):18-22. DOI：

A Recovery Mechanism of Survivability for Information System[J]. 2010, 44(4): 18-22. DOI：

摘要

为了克服现有信息系统生存性恢复手段单一、执行顺序固化以及恢复过程缓慢等不足

提出了一种以功能部件作为基本修复单位的生存性恢复机制.该机制根据关键功能部件的失效程度将信息系统提供的服务区分成完整服务、可接受服务以及中断服务3种类型

并以功能部件的可用性定义服务和信息系统的生存性.根据失效功能部件对服务的影响程度将恢复过程分为2个阶段

先通过修复关键功能部件恢复中断服务

然后再通过修复非关键功能部件完善可接受服务.应用新的恢复机制对一个网络教学系统进行生存性恢复实验

结果表明该机制能够依据信息系统的生存性态势确定恢复行为和执行顺序

与串行恢复机制相比

恢复行为的执行次数由9减少到3.

Abstract

A recovery mechanism of survivability with components being basic fixed units is presented for information systems to overcome the deficiencies appeared in existing approaches on survivability recovery

such as undiversified method

solidified executing sequence and delayed recovery process. Services provided by a information system are classified into complete services

acceptable services and interrupted services according to the disabled extent of critical components

and the survivability models of services and the information system are built separately with availability of components. According to the affecting degree of disabled components on services

the recovery procedure is divided into two phases

recovering interrupted services by repairing critical components and improving acceptable services by repairing non-critical components. A survivability recovery experiment in a network teaching system shows that the proposed mechanism can determine the recovering actions and executing sequences depending on the survivability state of information systems. A comparison with the mechanism using serial recovery actions shows that the number of actions performed by the proposed mechanism is reduced from 9 to 3.

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references

WILLIAM Y, DAVID D, HANS K. Survivability-over-security: providing whole system assurance [C]∥Proceedings of IEEE/CMU/SEI Third Information Survivability Workshop, ISW-2000. Piscataway, NJ, USA: IEEE, 2000:201-204.

LU Tunlu, GU Ning. Survivability-aware configuration management of service-oriented system based on service dependency [C]∥First Joint IEEE/IFIP Symposium on Theoretical Aspects of Software Engineering, TASE'07. Piscataway, NJ, USA:IEEE, 2007:421-432.

THEIN T, POKHAREL M, CHI S D, et al. A recovery model for survivable distributed systems through the use of virtualization [C]∥Proceeding-4th International Conference on Networked Computing and Advanced Information Management, NCM. Piscataway, NJ, USA:IEEE, 2008:79-84.

AYARA A, NAJJAR F. A formal specification model for survivability in pervasive systems [C]∥Proceedings of the 2009 International Symposium on Parallel and Distributed Processing with Applications, ISPA 2008. Piscataway, NJ, USA: IEEE, 2008: 444-451.

WANG Jian, WANG Huiqiang, ZHAO Guoshen. ERAS-an emergency response algorithm for survivability of critical services [C]∥First International Multi-Symposiums on Computer and Computational Sciences, IMSCCS'06. Piscataway, NJ, USA: IEEE, 2006:97-100.

HUANG Gang, MEI Hong, YANG Fuqing. Runtime recovery and manipulation of software architecture of component-based systems [J]. International Journal of Automated Software Engineering, 2006, 13(2): 251-278.

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