Experimenting on virtual machines co-residency in the cloud: a comparative study of available test beds

Abdulaziz Alabdulhafez, P. Ezhilchelvan
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Abstract

Cloud computing aims to provide users with instant, on-demand access to large pools of computational resources. Although many organizations and end-users have migrated services and data to the cloud, a number of security concerns still exist. In particular, recent researches have highlighted virtual machine (VM) co-residency as a new risk brought to the infrastructure as a service (IaaS) cloud by virtualization technologies which form the core of IaaS platforms. The placement of an attacker's virtual machine (VM) on the same physical server as a victim's VM is the key to successfully launching several harmful side-channel attacks to gain sensitive and valuable information about the co-residing VMs. When such placement manifests in a malicious manner then it is called VM co-residency. In this paper a number of cloud platforms and software tools are evaluated on their suitability as test beds for experimenting on VM co-residency. This study leads to a recommendation for implementing a purpose-built simulator which can be used as a test bed for future research on VM co-residency in the cloud.
在云中的虚拟机共同驻留实验:可用测试平台的比较研究
云计算旨在为用户提供对大量计算资源的即时、按需访问。尽管许多组织和最终用户已经将服务和数据迁移到云中,但仍然存在许多安全问题。特别是,最近的研究强调,虚拟机(VM)共同驻留是构成IaaS平台核心的虚拟化技术给IaaS云带来的新风险。将攻击者的虚拟机(VM)放置在与受害者VM相同的物理服务器上,是成功发起若干有害的侧信道攻击以获取有关共同驻留VM的敏感和有价值信息的关键。当这种安置以恶意的方式表现出来时,它被称为VM共同驻留。在本文中,评估了一些云平台和软件工具作为虚拟机共驻留实验的测试平台的适用性。本研究提出了实现专用模拟器的建议,该模拟器可以用作未来研究VM在云中共同驻留的测试平台。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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