A Survey of Virtualization Technologies Focusing on Untrusted Code Execution

Wen, Yan; Zhao, Jinjing; Zhao, Gang; Chen, Hua; Wang, Dongxia

doi:10.1109/imis.2012.92

Cited by 6 publications

(6 citation statements)

References 36 publications

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“…Storage virtualization can be divided into virtualization based on storage device and network path. Redundant array of inexpensive disks (Raid) is a typical one which is based on the storage device [5][6][7][8][9][10]. It can implement a high performance disk fault tolerant storage space using number of physical disks.…”

Section: Storage Virtualizationmentioning

confidence: 99%

“…The preconditions to execute the above process are as follow: (1) CPU must support multiple privilege levels. (2) Nonsensitive instruction execution result should be kept independent of CPU's Privilege level [5][6][7][8][9][10][11][12][13]. (3) CPU is able to provide a protective mechanism to achieve isolation among physical machines and virtual machines [14].…”

Section: Problems Of System Virtualizationmentioning

confidence: 99%

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A Survey: Main Virtualization Methods and Key Virtualization Technologies of CPU and Memory

Liu¹,

Jia²

2015

TOCSJ

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Abstract:As the core foundation of cloud computing and big data, virtualization technology has become more important now. From the view of development of virtualization technology, a basic discipline and a definition of virtualization are introduced in this paper. And from the perspective of system virtualization, the main classification of virtualization is also discussed in the paper . Proper virtualization methods and virtualization technologies are the key factors responsible for the success of different virtualization. Based on the level of hardware, hardware-aided methods, such as Intel-VT and AMD-V are explicated. The concrete demonstrations of full virtualization, para-virtualization and hardware-aided virtualization in the paper are explicated in detail. The key virtualization technologies of CPU, memory and I/O are also demonstrated. In order to satisfy different requirements of users, for example, work, personal, and geographic mobility needs, more people carry different phones, because of raw embedded virtualization technology these days. Therefore, some primary challenges of virtualization technology in embedded field are discussed in the end of this paper as well.

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Section: Storage Virtualizationmentioning

confidence: 99%

Section: Problems Of System Virtualizationmentioning

confidence: 99%

A Survey: Main Virtualization Methods and Key Virtualization Technologies of CPU and Memory

Liu¹,

Jia²

2015

TOCSJ

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“…Type I is known as Full virtualization where VMM is interfacing directly with the system hardware this type of architecture is also called as native architecture [6], Figure 1. Type II is not interfacing directly with the hardware of the system, rather it runs as an application alongside with the host OS.…”

Section: Types Of Virtualizationmentioning

confidence: 99%

Biometric encryption to enhance confidentiality in Cloud computing

Omar

Salleh

Bakhtiari

2014

2014 International Symposium on Biometrics and Security Technologies (ISBAST)

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Virtualization technology is the base technology used in Cloud computing. Therefore, virtualization enables Cloud computing to provide hardware and software services to the users on demand. Actually, many companies migrates to the Cloud computing for many reasons such as capabilities of processor, bus speed, size of storage, memory and managed to reduce the cost of dedicated servers. However, virtualization and Cloud computing contain many security weaknesses that affects the biometric data confidentiality in the Cloud computing. Those security issues are VM ware escape, hopping, mobility, diversity monitoring and etc. Furthermore, the privacy of a particular user is an issue in biometric data i.e. the face reorganization data for a famous and important people. Therefore, this paper proposed biometric encryption to improve the confidentiality in Cloud computing for biometric data. Also, this paper discussed virtualization for Cloud computing, as well as biometrics encryption. Indeed, this paper overviewed the security weaknesses of Cloud computing and how biometric encryption can improve the confidentiality in Cloud computing environment. Apart from this, confidentiality is enhanced in Cloud computing by using biometric encryption for biometric data. The novel approach of biometric encryption is to enhance the biometric data confidentiality in Cloud computing.

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“…Depending on the design of the operating systems, the risks can range from impacting an individual user account to destroying the whole computer system. There have been a great many efforts [1]- [3], to name a few, to minimize in general the security risks to maintain the system integrity or data confidentiality. However, it is well understood that it is in principle undeterminable whether an arbitrary program contains a computer virus, and in fact deliberate attacks can even lurk within a regular web advertising [4].…”

Section: Introductionmentioning

confidence: 99%

“…Hence a more wholistic approach in the form of virtual execution environment or virtualization techniques has been widely adopted in the recent times, see e.g. [3], [8]. Of course, sandboxing and virtualization are not the only valid techniques [9] and neither can they address all execution protections.…”

Section: Introductionmentioning

confidence: 99%

Protection Tiers and Their Applications for Evaluating Untrusted Code on A Linux-Based Web Server

Jiang¹,

Huang²,

Akhter³

2015

JCM

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Evaluating untrusted computer programs online by executing and testing them real-time has a challenging task of protecting the system integrity and the data confidentiality of the computer host. For the web based services on one of the most popular computer platforms, Linux, we propose three security protection tiers of different complexity and resource cost to incorporate the potentially unsafe application service via a web server. By utilizing a single regular Linux account of a corporate computer, or dual accounts as a combination, or multi-accounts of a dedicated computer, these three protection tiers can offer a trade-off between the simplicity in design and maintenance at the expense of a somewhat reduced security strength, and the more costly implementation and maintenance with a relatively better security strength. The need for such different tiers is especially true for our implemented in-house applications that aim to evaluate programming work automatically by executing the pertinent but untrusted client programs. 

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A Survey of Virtualization Technologies Focusing on Untrusted Code Execution

Cited by 6 publications

References 36 publications

A Survey: Main Virtualization Methods and Key Virtualization Technologies of CPU and Memory

A Survey: Main Virtualization Methods and Key Virtualization Technologies of CPU and Memory

Biometric encryption to enhance confidentiality in Cloud computing

Protection Tiers and Their Applications for Evaluating Untrusted Code on A Linux-Based Web Server

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