基于云模型的网络信息系统可生存性评估方法

【作者】 王媛；

【导师】 张宏；

【作者基本信息】 南京理工大学 ， 计算机应用技术， 2008， 硕士

【摘要】 随着现代化社会日益趋于网络信息化,网络信息系统在日常生活中扮演着举足轻重的作用。虽然传统的安全措施提高了网络信息系统的安全性,但各种入侵事件还是会不断的发生,为此我们就必须考虑系统在入侵发生后还能否向用户提供满意的服务,这就是可生存性。而可生存性是网络信息系统在安全性之上必需考虑的问题。本文围绕云模型的基础理论与研究方法,对网络信息系统的可生存性进行分析研究,基于云模型,给出一种可行的网络信息系统可生存性的评估方法。本文首先对网络信息系统的可生存性进行分析研究,确定影响网络信息系统可生存性的单因素。其次,根据单因素的评价集因子建立评估标准云模型。接着,根据信息数据建立实际云模型。最后,对两者进行相似性的比较,确定最相似的评语云,完成对网络信息系统可生存性的评估。更多还原

【Abstract】 As we turn into network information society, network information systems are more important for people’s normal life. Though traditional security can improve network information system’s security, kinds of intrusions remain as before. Then, we must consider whether system can provide satisfied service when they have been intruded, and this is called survivability. Survivability should be considered beyond security for network information system.This paper discusses survivability of internet information system based on the basic theory and research methods of cloud model. We propose a new method that uses cloud model to evaluate the survivability of network information system.Firstly, we do study with the survivability of network information system, and get to know single factors which affect the survivability of network information system. Secondly, we establish appraisal standard cloud models for the single factor, and then establish actual cloud model according to data. Finally, compare the comparability between them and choose the right one, then complete the evaluation of survivability of network information system.更多还原