Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation
Autor(a) principal: | |
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Data de Publicação: | 2023 |
Tipo de documento: | Tese |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFPE |
Texto Completo: | https://repositorio.ufpe.br/handle/123456789/51993 |
Resumo: | Connectivity has introduced significant transformations in our society, requiring the continuous improvement of Quality of Service (QoS). The rise of various emerging tech- nologies has created a demand for networks capable of low-latency communication to facilitate real-time data processing. As our reliance on these technologies grows, it be- comes increasingly important to address the latency issue. While cloud computing envi- ronments offer high availability, reliability, and performance, they may not be suitable for applications that require low latency, such as disaster risk minimization, smart-traffic management, and crime prevention. For instance, numerous lives could be lost if a disaster risk minimization service delays in providing alerts about an earthquake. To overcome the challenges posed by latency and enhance computing capabilities between the cloud and edge devices (e.g., controllers, sensors, and smartphones), two complementary paradigms, namely edge and fog computing, have been proposed. However, evaluating the depend- ability and performance of distributed computing environments remains a concern due to the numerous challenges involved in supporting the required QoS of these systems. There- fore, this study aims to investigate the dependability of edge, fog, and cloud computing environments by assessing their availability and the resulting impact on performance. Additionally, we propose analytical and hierarchical models that facilitate scalability and capacity planning in these computing environments. The metrics considered in this study include availability, K out of N availability, capacity-oriented availability, as well as per- formance metrics such as utilization, response time, waiting time, and discard rate. Our proposed models serve as valuable tools for researchers, system designers, and practi- tioners in the field of edge-fog-cloud environments. By understanding the behavior and limitations of these systems, we can enhance their design, operation, and maintenance, ultimately leading to more reliable, efficient, and resilient infrastructures. |
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SILVA, Paulo Roberto Pereira dahttp://lattes.cnpq.br/7559988987817463http://lattes.cnpq.br/8382158780043575http://lattes.cnpq.br/2498961747789618MACIEL, Paulo Romero MartinsARAUJO, Jean Carlos Teixeira de2023-08-21T18:14:46Z2023-08-21T18:14:46Z2023-05-26SILVA, Paulo Roberto Pereira da. Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation. 2023. Tese (Doutorado em Ciência da Computação) – Universidade Federal de Pernambuco, Recife, 2023.https://repositorio.ufpe.br/handle/123456789/51993Connectivity has introduced significant transformations in our society, requiring the continuous improvement of Quality of Service (QoS). The rise of various emerging tech- nologies has created a demand for networks capable of low-latency communication to facilitate real-time data processing. As our reliance on these technologies grows, it be- comes increasingly important to address the latency issue. While cloud computing envi- ronments offer high availability, reliability, and performance, they may not be suitable for applications that require low latency, such as disaster risk minimization, smart-traffic management, and crime prevention. For instance, numerous lives could be lost if a disaster risk minimization service delays in providing alerts about an earthquake. To overcome the challenges posed by latency and enhance computing capabilities between the cloud and edge devices (e.g., controllers, sensors, and smartphones), two complementary paradigms, namely edge and fog computing, have been proposed. However, evaluating the depend- ability and performance of distributed computing environments remains a concern due to the numerous challenges involved in supporting the required QoS of these systems. There- fore, this study aims to investigate the dependability of edge, fog, and cloud computing environments by assessing their availability and the resulting impact on performance. Additionally, we propose analytical and hierarchical models that facilitate scalability and capacity planning in these computing environments. The metrics considered in this study include availability, K out of N availability, capacity-oriented availability, as well as per- formance metrics such as utilization, response time, waiting time, and discard rate. Our proposed models serve as valuable tools for researchers, system designers, and practi- tioners in the field of edge-fog-cloud environments. By understanding the behavior and limitations of these systems, we can enhance their design, operation, and maintenance, ultimately leading to more reliable, efficient, and resilient infrastructures.FACEPEA conectividade introduziu transformações significativas em nossa sociedade, exigindo o contínuo aprimoramento da Qualidade de Serviço (QoS, sigla em inglês). O surgimento de várias tecnologias emergentes criou uma demanda por redes capazes de comunicação com baixa latência para facilitar o processamento de dados em tempo real. À medida que nossa dependência dessas tecnologias cresce, torna-se cada vez mais importante abordar o problema de latência. Embora os ambientes de computação em nuvem ofereçam alta disponibilidade, confiabilidade e desempenho, eles podem não ser adequados para serviços que requerem baixa latência, como minimização de risco de desastres, gerenciamento de tráfego veicular inteligente e prevenção de crimes. Por exemplo, inúmeras vidas podem ser perdidas se um serviço de minimização de risco de desastres atrasar na entrega de alertas sobre um terremoto. Para superar os desafios impostos pela latência e aprimorar as ca- pacidades de computação entre a nuvem e os dispositivos de borda (como controladores, sensores e smartphones), foram propostos dois paradigmas complementares, chamados de computação em borda (Edge) e neblina (Fog). No entanto, avaliar a confiabilidade e o desempenho de ambientes de computação distribuída continua sendo um grande desafio devido aos inúmeras questões envolvidas no suporte à QoS necessária desses sistemas. Portanto, este estudo tem como objetivo investigar a confiabilidade dos ambientes de computação em borda, névoa e nuvem, por meio da avaliação de sua disponibilidade e do impacto resultante no desempenho. Além disso, propomos modelos analíticos e hi- erárquicos que facilitam a escalabilidade e o planejamento de capacidade nesses ambientes de computação. As métricas consideradas neste estudo incluem disponibilidade, disponi- bilidade de K de N, disponibilidade orientada à capacidade, bem como métricas de desem- penho, como utilização, tempo de resposta, tempo de espera e taxa de descarte. Nossos modelos propostos servem como ferramentas valiosas para pesquisadores, projetistas de sistemas e profissionais no campo de ambientes de borda-névoa-nuvem. Ao compreender o comportamento e as limitações desses sistemas, podemos aprimorar seu projeto, operação e manutenção, levando a infraestruturas mais confiáveis, eficientes e resilientes.engUniversidade Federal de PernambucoPrograma de Pos Graduacao em Ciencia da ComputacaoUFPEBrasilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/info:eu-repo/semantics/openAccessRedes de computadores e sistemas distribuídosComputação na nuvemComputação na névoaComputação na bordaEdge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluationinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisdoutoradoreponame:Repositório Institucional da UFPEinstname:Universidade Federal de Pernambuco (UFPE)instacron:UFPECC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8811https://repositorio.ufpe.br/bitstream/123456789/51993/2/license_rdfe39d27027a6cc9cb039ad269a5db8e34MD52LICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv |
Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation |
title |
Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation |
spellingShingle |
Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation SILVA, Paulo Roberto Pereira da Redes de computadores e sistemas distribuídos Computação na nuvem Computação na névoa Computação na borda |
title_short |
Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation |
title_full |
Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation |
title_fullStr |
Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation |
title_full_unstemmed |
Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation |
title_sort |
Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation |
author |
SILVA, Paulo Roberto Pereira da |
author_facet |
SILVA, Paulo Roberto Pereira da |
author_role |
author |
dc.contributor.authorLattes.pt_BR.fl_str_mv |
http://lattes.cnpq.br/7559988987817463 |
dc.contributor.advisorLattes.pt_BR.fl_str_mv |
http://lattes.cnpq.br/8382158780043575 |
dc.contributor.advisor-coLattes.pt_BR.fl_str_mv |
http://lattes.cnpq.br/2498961747789618 |
dc.contributor.author.fl_str_mv |
SILVA, Paulo Roberto Pereira da |
dc.contributor.advisor1.fl_str_mv |
MACIEL, Paulo Romero Martins |
dc.contributor.advisor-co1.fl_str_mv |
ARAUJO, Jean Carlos Teixeira de |
contributor_str_mv |
MACIEL, Paulo Romero Martins ARAUJO, Jean Carlos Teixeira de |
dc.subject.por.fl_str_mv |
Redes de computadores e sistemas distribuídos Computação na nuvem Computação na névoa Computação na borda |
topic |
Redes de computadores e sistemas distribuídos Computação na nuvem Computação na névoa Computação na borda |
description |
Connectivity has introduced significant transformations in our society, requiring the continuous improvement of Quality of Service (QoS). The rise of various emerging tech- nologies has created a demand for networks capable of low-latency communication to facilitate real-time data processing. As our reliance on these technologies grows, it be- comes increasingly important to address the latency issue. While cloud computing envi- ronments offer high availability, reliability, and performance, they may not be suitable for applications that require low latency, such as disaster risk minimization, smart-traffic management, and crime prevention. For instance, numerous lives could be lost if a disaster risk minimization service delays in providing alerts about an earthquake. To overcome the challenges posed by latency and enhance computing capabilities between the cloud and edge devices (e.g., controllers, sensors, and smartphones), two complementary paradigms, namely edge and fog computing, have been proposed. However, evaluating the depend- ability and performance of distributed computing environments remains a concern due to the numerous challenges involved in supporting the required QoS of these systems. There- fore, this study aims to investigate the dependability of edge, fog, and cloud computing environments by assessing their availability and the resulting impact on performance. Additionally, we propose analytical and hierarchical models that facilitate scalability and capacity planning in these computing environments. The metrics considered in this study include availability, K out of N availability, capacity-oriented availability, as well as per- formance metrics such as utilization, response time, waiting time, and discard rate. Our proposed models serve as valuable tools for researchers, system designers, and practi- tioners in the field of edge-fog-cloud environments. By understanding the behavior and limitations of these systems, we can enhance their design, operation, and maintenance, ultimately leading to more reliable, efficient, and resilient infrastructures. |
publishDate |
2023 |
dc.date.accessioned.fl_str_mv |
2023-08-21T18:14:46Z |
dc.date.available.fl_str_mv |
2023-08-21T18:14:46Z |
dc.date.issued.fl_str_mv |
2023-05-26 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
SILVA, Paulo Roberto Pereira da. Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation. 2023. Tese (Doutorado em Ciência da Computação) – Universidade Federal de Pernambuco, Recife, 2023. |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufpe.br/handle/123456789/51993 |
identifier_str_mv |
SILVA, Paulo Roberto Pereira da. Edge-fog-cloud continuum applications : analytical and hierarchical models for availability and performability evaluation. 2023. Tese (Doutorado em Ciência da Computação) – Universidade Federal de Pernambuco, Recife, 2023. |
url |
https://repositorio.ufpe.br/handle/123456789/51993 |
dc.language.iso.fl_str_mv |
eng |
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eng |
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http://creativecommons.org/licenses/by-nc-nd/3.0/br/ info:eu-repo/semantics/openAccess |
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http://creativecommons.org/licenses/by-nc-nd/3.0/br/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Pernambuco |
dc.publisher.program.fl_str_mv |
Programa de Pos Graduacao em Ciencia da Computacao |
dc.publisher.initials.fl_str_mv |
UFPE |
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Brasil |
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Universidade Federal de Pernambuco |
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