[ "陈扬(1994-),男,四川南充人,国家数字交换系统工程技术研究中心硕士生,主要研究方向为云计算、入侵容忍、网络安全。" ]
[ "扈红超(1982-),男,河南商丘人,博士,国家数字交换系统工程技术研究中心研究员,主要研究方向为云计算、网络安全。" ]
[ "刘文彦(1986-),男,河南周口人,博士,国家数字交换系统工程技术研究中心研究员,主要研究方向为云计算、网络安全。" ]
[ "霍树民(1985-),男,山西长治人,博士,国家数字交换系统工程技术研究中心研究员,主要研究方向为云计算、网络安全。" ]
[ "梁浩(1987-),男,河南郑州人,博士,国家数字交换系统工程技术研究中心研究员,主要研究方向为云计算、网络安全。" ]
网络首发:2018-05,
纸质出版:2018-05-15
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陈扬, 扈红超, 刘文彦, 等. 云环境下基于动态异构的拜占庭系统[J]. 网络与信息安全学报, 2018,4(5):1-9.
Yang CHEN, Hongchao HU, Wenyan LIU, et al. Dynamic and heterogeneous Byzantine system in cloud[J]. Chinese Journal of Network and Information Security, 2018, 4(5): 1-9.
陈扬, 扈红超, 刘文彦, 等. 云环境下基于动态异构的拜占庭系统[J]. 网络与信息安全学报, 2018,4(5):1-9. DOI: 10.11959/j.issn.2096-109x.2018036.
Yang CHEN, Hongchao HU, Wenyan LIU, et al. Dynamic and heterogeneous Byzantine system in cloud[J]. Chinese Journal of Network and Information Security, 2018, 4(5): 1-9. DOI: 10.11959/j.issn.2096-109x.2018036.
拜占庭系统被广泛应用于提高云平台的入侵容忍能力。但现阶段的拜占庭系统难以有效防御一种潜伏式攻击,即攻击者通过累积控制个数超过容忍上限的执行体来破坏拜占庭系统。针对此问题提出云环境下具有动态异构性质的拜占庭系统,即将拜占庭系统中的执行体进行最大化多样性配置,同时利用系统漏洞和攻击技能水平来衡量执行体生命周期,将执行体进行动态轮换。仿真结果表明,提出的动态异构拜占庭系统能有效提升系统安全性。
In order to improve the intrusion tolerance performance of cloud platforms
the Byzantine system model has been widely used.But the current Byzantine system is difficult to prevent a latent attack effectively
which can destroy the Byzantine system by accumulating the number of executive modules which the attacker controls and making it exceed the tolerance upper limit.To solve the problem
a dynamic and heterogeneous Byzantine system was proposed.In which the executive modules were maximized diversified in configurations such as different operating systems and so on.Meanwhile
every executive module was assigned a lifetime based on the attacker’s ability and the vulnerabilities of the module.The novel system can significantly enhance the intrusion tolerance of the cloud service by diverse and dynamic attack surface
which is verified by simulations.
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