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Communication Dans Un Congrès Année : 2019

Closer: A New Design Principle for the Privileged Virtual Machine OS

Résumé

In most of today's virtualized systems (e.g., Xen), the hypervisor relies on a privileged virtual machine (pVM). The pVM accomplishes work both for the hypervisor (e.g., VM life cycle management) and for client VMs (I/O management). Usually, the pVM is based on a standard OS (Linux). This is source of performance unpredictability, low performance, resource waste, and vulnerabilities. This paper presents Closer, a principle for designing a suitable OS for the pVM. Closer consists in respectively scheduling and allocating pVM's tasks and memory as close to the involved client VM as possible. By revisiting Linux and Xen hypervisor, we present a functioning implementation of Closer. The evaluation results of our implementation show that Closer outperforms standard implementations.
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Dates et versions

hal-02333582 , version 1 (25-10-2019)

Identifiants

Citer

Djob Mvondo, Boris Teabe, Alain Tchana, Daniel Hagimont, Noel de Palma. Closer: A New Design Principle for the Privileged Virtual Machine OS. IEEE 27th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS 2019), Oct 2019, Rennes, France. pp.49-60, ⟨10.1109/MASCOTS.2019.00016⟩. ⟨hal-02333582⟩
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