Academic literature on the topic 'Modular hypervisor'

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Dissertations / Theses on the topic "Modular hypervisor"

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Cardace, Antonio. "UMView, a Userspace Hypervisor Implementation." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13184/.

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UMView is a partial virtual machine and userspace hypervisor capable of intercepting system calls and modifying their behavior according to the calling process' view. In order to provide flexibility and modularity UMView supports modules loadable at runtime using a plugin architecture. UMView in particular is the implementation of the View-OS concept which negates the global view assumption which is so radically established in the world of OSes and virtualization.
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Jean, Xavier. "Maîtrise de la couche hyperviseur sur les architectures multi-coeurs COTS dans un contexte avionique." Thesis, Paris, ENST, 2015. http://www.theses.fr/2015ENST0034/document.

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Nous nous intéressons dans cette thèse à la maîtrise de processeurs multi-cœurs COTS dans le but de les rendre utilisables dans des équipements avioniques, qui ont des exigences temps réelles dures. L’objectif est de permettre l'application de méthodes connues d’évaluation de pire temps d’exécution (WCET) sur un ensemble de tâches représentatif d’applications avioniques. Au cours de leur exécution, les tâches exécutées sur différents cœurs vont accéder simultanément à des ressources matérielles qui sont partagées entre les cœurs, en particulier la mémoire principale. Cela pourra entraîner des mises en attente de certains accès que l'on qualifie d'interférences. Ces interférences peuvent avoir un impact élevé sur le temps d'exécution du logiciel embarqué. Sur un processeur COTS, qui est acheté dans le commerce et vise un marché plus large que l'avionque, cet impact n'est pas borné. Nous cherchons à garantir l'absence d'interférences grâce à des moyens logiciels, dans la mesure où les processeurs COTS ne proposent pas de mécanismes adéquats au niveau matériel. Nous cherchons à étendre des concepts de logiciel déterministe de telle sorte à les rendre compatibles avec un objectif de réutilisation de logiciel existant. A cet effet, nous introduisons la notion de logiciel de contrôle, qui est un élément fonctionnellement neutre, répliqué sur tous les cœurs, et qui contrôle les dates des accès des cœurs aux ressources communes de telle sorte à offrir une isolation temporelle entre ces accès. Nous étudions dans cette thèse le problème de faisabilité d'un logiciel de contrôle sur un processeur COTS, et de son efficacité vis à vis d'applications avioniques
We focus in this thesis on issues related to COTS multi-core processors mastering, especially regarding hard real-time constraints, in order to enable their usage in future avionics equipment. We aim at applying existing Worst Case Execution Time (WCET) evaluation methods on a set of tasks similar to those we can find in avionics software. At runtime, tasks executed among different cores are likely to access hardware resources at the same time, e.g. the main memory. It may lead to additional delays due to hardware contention, called “interferences”. Interferences slow down embedded software within ranges that may be important. Additionnally, no bound has been established for their impact on WCET when using COTS processors, that target larger markets than avionics. We try to provide guarantees that all interferences are eliminated through software, as COTS processors do not provide adequate mechanisms at hardware level. We extend deterministic software concepts that have been developed in the state of the art, in order to make them compliant with the use of legacy software. We introduce the concept of "control software", which is functionnaly neutral, is replicated among all cores, and performs active control of core's accesses to shared resources, so that concurrent accesses are temporally isolated. We formalize and study in this thesis the problem of control software feasibility on COTS processors, and questions of efficiency with regard to legacy avionics software
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Book chapters on the topic "Modular hypervisor"

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Duan, Lian, Fang Qi, Guojun Wang, and Zhe Tang. "Module-Level Software Streaming Loading Model Based on Hypervisor." In Security, Privacy, and Anonymity in Computation, Communication, and Storage, 627–36. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-72395-2_57.

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"Results and Discussions." In Detection and Mitigation of Insider Attacks in a Cloud Infrastructure, 83–90. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7924-3.ch006.

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This chapter describes the proof-of-concept of the proposed protocol architecture. The eXtensible modular hypervisor framework has been utilized to build the TrustVisor hypervisor along with the core modules: cryptography operations, TEE, and TPM emulator, which contains TPM library function to make a secure communication with TPM hardware. The constructed hypervisor has been placed in the cloud server grub entry to make a choice of hypervisor. To ensure the trust worthiness of cloud platform, a remote attestation concept is used along with the most popular and widely used method called integrity measurement architecture (IMA). Remote attestation uses IMA. It works based on binary attestation concept. After configuring IMA, it calculates and extends the hashes of all components while boot process into their respective PCRs. To ensure the remote attestation with privacy preserving of NC, the authors used attestation identity key (AIK) for signing hashes of PCRs while performing quote operation. They used TPM emulator for communication with TPM device using TPM driver.
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Conference papers on the topic "Modular hypervisor"

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Larrucea, Asier, Jon Perez, Irune Agirre, Vicent Brocal, and Roman Obermaisser. "A Modular Safety Case for an IEC-61508 Compliant Generic Hypervisor." In 2015 Euromicro Conference on Digital System Design (DSD). IEEE, 2015. http://dx.doi.org/10.1109/dsd.2015.27.

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Vasudevan, A., S. Chaki, Limin Jia, J. McCune, J. Newsome, and A. Datta. "Design, Implementation and Verification of an eXtensible and Modular Hypervisor Framework." In 2013 IEEE Symposium on Security and Privacy (SP) Conference. IEEE, 2013. http://dx.doi.org/10.1109/sp.2013.36.

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Naughton, Thomas, Geoffroy Vallee, Stephen L. Scott, and Ferrol Aderholdt. "Loadable Hypervisor Modules." In 2010 43rd Hawaii International Conference on System Sciences. IEEE, 2010. http://dx.doi.org/10.1109/hicss.2010.258.

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Reports on the topic "Modular hypervisor"

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Vasudevan, Amit, Jonathan M. McCune, and James Newsome. It's an app. It's a hypervisor. It's a hypapp. : Design and Implementation of an eXtensible and Modular Hypervisor Framework. Fort Belvoir, VA: Defense Technical Information Center, June 2012. http://dx.doi.org/10.21236/ada579935.

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