Alocação de máquinas virtuais em ambientes de computação em nuvem considerando o compartilhamento de memória
Virtualization is a key technology for cloud computing, it provides computational resources as virtual machines for consumption of computing services. In cloud computing environments it is important to keep under control the allocation of virtual machines in physical servers. A good allocation bring...
| Autor principal: | Muchalski, Fernando José |
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| Formato: | Dissertação |
| Idioma: | Português |
| Publicado em: |
Universidade Tecnológica Federal do Paraná
2015
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| Assuntos: | |
| Acesso em linha: |
http://repositorio.utfpr.edu.br/jspui/handle/1/1005 |
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| Resumo: |
Virtualization is a key technology for cloud computing, it provides computational resources as virtual machines for consumption of computing services. In cloud computing environments it is important to keep under control the allocation of virtual machines in physical servers. A good allocation brings benefits such as reduction costs in hardware, power, and cooling, also improving the quality of service. Recent hypervisors implement mechanisms to reduce RAM consumption by sharing identical pages between virtual machines. This dissertation presents a new algorithm for virtual machines allocation that seeks the balanced use of CPU, memory, disk, and network. In addition, it considers the potential for sharing memory among virtual machines. Simulations on three distinct scenarios demonstrate that it is superior to the standard approach when considering the balanced use of resources. Considering shared memory, there was an appreciable gain in availability of resources. |
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