摘要
根据移动自组网对抗毁性的要求,提出了一个更为全面的抗毁性定量评估模型。该模型考虑多种故障类型和移动终端的连接状态,并利用连续时间马尔可夫链来精确地刻画移动自组网的抗毁性。在MAT-LAB环境中对稳态的可用性、连通概率、失效频率和平均失效节点数进行模拟仿真。
Survivability refers to the ability for a network system to provide essential services to end users in the presence of failures and/or attacks, and recover full services in a timely manner. According to the requirement of the survivability of MANETs, a more comprehensive model for quantitative evaluation of survivability is proposed. The proposed model considers various types of faults and connection states of mobile hosts, and uses the continuous time Markov chain （CTMC） to describe the survivability of MANETs in a precise manner. Finally, the availability of steady state, connectivity probability, failure frequency and average number of faulty nodes are simulated in MATLAB.
出处
《武汉大学学报（信息科学版）》
EI
CSCD
北大核心
2008年第10期1095-1098,共4页
Geomatics and Information Science of Wuhan University
基金
国家863计划资助项目(2006AA01Z202)
国家973计划资助项目(2003CB317003)
香港城市大学应用研究与发展基金资助项目(9668009)
关键词
移动自组网
定量评估
连续时间的马尔可夫链
抗毁性
可用性
mobile Ad-Hoc networks
quantitative evaluation
continuous time Markov chain
survivability
availability
作者简介
彭三城，博士生，主要研究方向：计算机网络、抗毁性、可信计算。Email：psc346@gmail．com.
