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Artigo Acesso aberto

Yoji Yamato, Yukihisa Nishizawa, Masahito Muroi, Kentaro Tanaka,

... to enable production Cloud services easily based on OpenStack. In recent days, Cloud computing technologies have progressed ... others use open source IaaS software such as OpenStack and CloudStack. Because the community of OpenStack development is very active, we expect OpenStack will become a de facto standard open source IaaS software. Because OpenStack target is providing primitive APIs for IaaS control, there are some problems to use OpenStack as it is for production services. For example, ... to enable production IaaS services easily based on OpenStack. The resource management server mediates users and OpenStack, ...

Tópico(s): IoT and Edge/Fog Computing

2015 - | Journal of Information Processing

Artigo Acesso aberto Revisado por pares

Youngjong Kim, Jinho Park,

Abstract Cloud computing based on OpenStack is widely used as a distributed computing platform. OpenStack has progressed at a rapid pace, incorporating a variety of service modules; ... of active developers, and a diverse user base. OpenStack uses message queue to coordinate and exchange operation and status information between services. OpenStack supports various message queue services including RabbitMQ, Qpid, ... whereas its distribution architecture uses RabbitMQ. As an OpenStack’s message queue service, RabbitMQ runs on a ...

Tópico(s): IoT and Edge/Fog Computing

2020 - Springer Nature | Human-centric Computing and Information Sciences

Artigo Revisado por pares

Anton Beloglazov, Rajkumar Buyya,

... propose an architecture and open‐source implementation of OpenStack Neat, a framework for dynamic VM consolidation in OpenStack clouds. OpenStack Neat can be configured to use custom VM consolidation algorithms and transparently integrates with existing OpenStack deployments without the necessity of modifying their configuration. ... VM consolidation algorithms. The proposed benchmark suite comprises OpenStack Neat as the base software framework, a set ... benchmark suite, we conduct an experimental evaluation of OpenStack Neat and several dynamic VM consolidation algorithms on ...

Tópico(s): IoT and Edge/Fog Computing

2014 - Wiley | Concurrency and Computation Practice and Experience

Capítulo de livro Revisado por pares

Marian Turowski, Alexander Lenk,

... and cloud providers apply the open-source platform OpenStack. Hence, this paper evaluates the vertical scaling capability of OpenStack. For this purpose, we examine whether and to ... extent common guest operating systems, popular hypervisors, and OpenStack itself support vertical scaling. Altogether, the considered operating ... vertical scaling of almost all considered resources while OpenStack does not support vertical scaling at all. Based ... our findings, we finally suggest steps to improve OpenStack.

Tópico(s): Blockchain Technology Applications and Security

2015 - Springer Science+Business Media | Lecture notes in computer science

Artigo Acesso aberto Revisado por pares

Yuxia Zhang, Hui Liu, Xin Tan, Minghui Zhou, Zhi Jin, Jiaxin Zhu,

... large open-source software (OSS) ecosystems such as OpenStack and have become the main contributors. However, they ... we conduct a mixed-methods empirical study on OpenStack to reveal how common company withdrawals were, to ... analyzing the commit data of 18 versions of OpenStack, we find that the number of companies that ... contribute to a similar scope of repositories in OpenStack. Through conducting a developer survey, we find four aspects of reasons for companies’ withdrawal from OpenStack: company, community, developer, and project. The most common ...

Tópico(s): Mobile Crowdsensing and Crowdsourcing

2022 - Association for Computing Machinery | ACM Transactions on Software Engineering and Methodology

Capítulo de livro

Võ Nhân Văn, Le Dinh Minh, Nguyễn Quốc Long, Gia Nhu Nguyen, Dac‐Nhuong Le,

... and evaluate the performance of the open-source OpenStack for IaaS cloud computing, and give the comparison between OpenStack and VMware. We outline some of our initial findings by providing such a testbed on OpenStack. The experimental results showed the advantages of OpenStack solution in cloud computing where infrastructure is provided ...

Tópico(s): Cloud Data Security Solutions

2015 - Springer Nature | Advances in intelligent systems and computing

Artigo Revisado por pares

S. Cash, Varun Jain, Lili Jiang, Alexei Karve, J. Kidambi, Martha Lyons, T. S. Mathews, S. Mullen, M. Mulsow, Nimisha Patel,

In this paper, we discuss how OpenStack®, an open source cloud computing software platform, can be used to deliver a managed private cloud by describing the IBM Cloud OpenStack Services offering. IBM Cloud OpenStack Services is an enterprise-class infrastructure-as-a-service, running on OpenStack in a selection of worldwide IBM SoftLayer® data ...

Tópico(s): Cloud Data Security Solutions

2016 - IBM | IBM Journal of Research and Development

Artigo Revisado por pares

Aqsa Malik, Jawad Ahmed, Junaid Qadir, Muhammad Ilyas,

OpenStack is emerging as a dominant player in the cloud management system space in data centers worldwide. ... backend plugins. In this measurement study we evaluate OpenStack’s open source SDN layers, using Neutron together ... a OpenDaylight, OFAgent, ML2 and Ryu used in OpenStack Juno in the face of different types and ... time-between-failures. Our results show that the OpenStack’s SDN layers configured to use OpenDaylight performs ...

Tópico(s): IoT and Edge/Fog Computing

2017 - Elsevier BV | Computer Communications

Artigo Brasil Produção Nacional Revisado por pares

Rodrigo S. Couto, Hugo Sadok, Pedro Cruz, Felipe F. da Silva, Tatiana Sciammarella, Miguel Elias M. Campista, Luís Henrique M. K. Costa, Pedro B. Velloso, Marcelo G. Rubinstein,

... machines. To build PID, we rely on the OpenStack orchestrator as the basis of our implementation and, ... on these experiments, we can estimate that an OpenStack cloud with a few hundred servers with tens ... that the amount of control traffic generated by OpenStack services is not enough to surpass network capacities ... cloud has little or no impact on the OpenStack network component, called Neutron.

Tópico(s): Blockchain Technology Applications and Security

2018 - Elsevier BV | Journal of Network and Computer Applications

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Carlos Eduardo da Silva, Thomás Diniz, Nélio Cacho, Rogério de Lemos,

... this will be demonstrated in the context of OpenStack. OpenStack is a popular cloud platform that relies on ... an architectural solution that incorporates self-adaptation into OpenStack Keystone in order to handle insider threats. For ... insider threats scenarios in the context of the OpenStack cloud platform, and have developed a prototype that ...

Tópico(s): Distributed systems and fault tolerance

2018 - Springer Science+Business Media | Journal of Internet Services and Applications

Artigo Acesso aberto Revisado por pares

Fikru Feleke Moges, Surafel Lemma Abebe,

... optimize energy consumption. Among the proposed VM consolidations, OpenStack Neat is notable for its practicality. OpenStack Neat is an open-source consolidation framework that can seamlessly integrate to OpenStack, one of the most common and widely used ... VMs (VM placement). The VM placement algorithm of OpenStack Neat is called Modified Best-Fit Decreasing (MBFD). ...

Tópico(s): IoT and Edge/Fog Computing

2019 - Springer Nature | Journal of Cloud Computing Advances Systems and Applications

Artigo Acesso aberto Revisado por pares

Oleg Bystrov, Ruslan Pacevič, Arnas Kačeniauskas,

... is deployed as a service (SaaS) on the OpenStack cloud. The performance measured on KVM-based virtual machines and Docker containers of the OpenStack cloud is compared with that obtained by using ... containers and KVM-based virtual machines of the OpenStack cloud, respectively. The observed overhead was mainly caused by OpenStack service processes that increased the load imbalance of ...

Tópico(s): Advanced Data Storage Technologies

2021 - Multidisciplinary Digital Publishing Institute | Applied Sciences

Artigo Acesso aberto

Ralph LaBarge,

... a series of penetration tests performed on the OpenStack Essex Cloud Management Software. Several different types of ... gain access to restricted information contained on the OpenStack server, or to gain full administrative privileges on ... for communications between a cloud user and the OpenStack Horizon Dashboard, to encrypt all files that store ... to correct a software bug found in the OpenStack Cinder typedelete command.

Tópico(s): Access Control and Trust

2012 - | International Journal on Cloud Computing Services and Architecture

Artigo Acesso aberto Revisado por pares

Yoji Yamato, Masahito Muroi, Kentaro Tanaka, Mitsutomo Uchimura,

... management technology to build virtual resources environments on OpenStack. In recent days, Cloud computing has been progressed ... become widespread. Authors are developing cloud services using OpenStack. There are technologies which deploy a set of ... easy building, expansion or migration of cloud resources. OpenStack Heat and Amazon CloudFormation are template deployment technologies ...

Tópico(s): Distributed and Parallel Computing Systems

2014 - Springer Nature | Journal of Cloud Computing Advances Systems and Applications

Capítulo de livro Revisado por pares

Bo Tang, Ravi Sandhu,

OpenStack has been rapidly established as the most popular open-source platform for cloud Infrastrusture-as-a- ... increasing access control requirements from its users, the OpenStack identity service Keystone has introduced several entities, such ... we present a formalized description of the core OpenStack access control (OSAC). We further propose a domain ...

Tópico(s): Cloud Data Security Solutions

2014 - Springer Science+Business Media | Lecture notes in computer science

Artigo Acesso aberto

Josiah Dykstra, Alan T. Sherman,

... of FROST—three new forensic tools for the OpenStack cloud platform. Our implementation for the OpenStack cloud platform supports an Infrastructure-as-a-Service ( ... forensic investigators to obtain forensically-sound data from OpenStack clouds independent of provider interaction. Our preliminary evaluation ...

Tópico(s): Cloud Data Security Solutions

2013 - Elsevier BV | Digital Investigation

Artigo Acesso aberto

Hala A. Albaroodi, Selvakumar Manickam, Mohammed Anbar,

... these risks can be clearly identify and avoided. OpenStack Swift security can provide a greater understanding of how OpenStack Swift functions and what types of security issues ... lightweight and robust cloud-based security model for OpenStack object storage within a cloud computing environment is ...

Tópico(s): Blockchain Technology Applications and Security

2015 - Science Publications | Journal of Computer Science

Artigo Revisado por pares

Yoji Yamato, Yukihisa Nishizawa, Shinji Nagao, Ken-ichi Sato,

... and reliable restoration method of virtual resources on OpenStack when physical servers or virtual machines are down. ... recently started cloud services, and the use of OpenStack, which is open source IaaS software, is increasing. ... physical servers to restore virtual resources and calls OpenStack APIs to rebuild. The virtual resource arrangement scheduler ...

Tópico(s): Caching and Content Delivery

2015 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Cloud Computing

Artigo Acesso aberto Revisado por pares

Aparna Datt, Anita Goel, Suresh Chand Gupta,

... the compute component of open source cloud platform OpenStack, is responsible for provisioning and management of virtual ... for monitoring the infrastructure and processes associated with OpenStack Nova. Different categories within infrastructure monitoring are identified, ... to three existing software commonly used for monitoring OpenStack Nova. The list facilitates system administrators during selection ...

Tópico(s): Software System Performance and Reliability

2015 - Elsevier BV | Procedia Computer Science

Artigo Revisado por pares

Luis Tomás, Panagiotis Kokkinos, Vasileios Anagnostopoulos, Oshrit Feder, Dimosthenis Kyriazis, Kalman Meth, Emmanouel Varvarigos, Theodora Varvarigou,

... present the Disaster Recovery Layer (DRL) that enables OpenStack-managed datacenter workloads, Virtual Machines (VMs) and Volumes, ... a number of autonomous components and extensions of OpenStack modules, while its functionalities are available through OpenStack's Horizon UI and command line interface. Also, ...

Tópico(s): Distributed systems and fault tolerance

2017 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Cloud Computing

Artigo Revisado por pares

Hamid Reza Faragardi, Saeid Dehnavi, Thomas Nolte, Mehdi Kargahi, Thomas Fahringer,

... against an energy‐aware version of the RT‐OpenStack. RT‐OpenStack is a recently proposed approach to provide a time‐predictable version of OpenStack. The experimental results manifest that our proposed resource ... method outperforms energy‐aware version of the RT‐OpenStack by 16.01%, 25.45%, and 25.45% ...

Tópico(s): Green IT and Sustainability

2018 - Wiley | Software Practice and Experience

Capítulo de livro

Aanshi Bhardwaj, Atul Sharma, Veenu Mangat, Krishan Kumar, Renu Vig,

... virtual machines are created which run through instances. OpenStack is one such cloud platform, which is Open ... paper presents experimental evaluation of DDoS attack on OpenStack cloud platform. The experimentation was conducted on open source platform of OpenStack as private cloud model. AnonymousDoser, LOIC, and Slowloris ...

Tópico(s): Advanced Malware Detection Techniques

2018 - Springer International Publishing | Lecture notes in networks and systems

Artigo Acesso aberto Revisado por pares

Mingkang Ruan, Thierry Titcheu Chekam, Ennan Zhai, Zhenhua Li, Yao Liu, E Jinlong, Yong Cui, Hong Xu,

... type of the most popular cloud storage services, OpenStack Swift and its follow-up systems replicate each ... bottleneck problem . By reviewing the source code of OpenStack Swift, we find that its object sync protocol ... an open-source patch and adopted it to OpenStack Swift, thus reducing the sync delay by up ...

Tópico(s): Advanced Data Storage Technologies

2018 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Parallel and Distributed Systems

Artigo Acesso aberto Revisado por pares

José Teixeira, Helena Karsten,

... study, we address the release management practices of OpenStack, a large scale open source project developing cloud ... We discuss how the release management practices of OpenStack have evolved in terms of chosen strategy and ... in large and complex software ecosystems such as OpenStack.

Tópico(s): Open Source Software Innovations

2019 - Springer Science+Business Media | Journal of Internet Services and Applications

Capítulo de livro Revisado por pares

Hao Jin, Kejiang Ye, Cheng‐Zhong Xu,

... widely used open source cloud operating system is OpenStack. In this paper, we investigate the reliability of VM live migration in OpenStack by increasing the system pressures and injecting network ... bottlenecks and optimization methods for live migration in OpenStack.

Tópico(s): Software System Performance and Reliability

2019 - Springer Science+Business Media | Lecture notes in computer science

Artigo

Ronghui Cao, Zhuo Tang, Chubo Liu, Bharadwaj Veeravalli,

... design and implement a multicloud framework for building OpenStack-based platform for medical IoT, referred to as ... been designed as a native component in the OpenStack platform, and it demonstrates the degree of native OpenStack multicloud platform management by our proposed cascading framework. Comparing with the traditional single-cloud OpenStack platform, Tri-SFRS can reduce the resource-request ...

Tópico(s): Cloud Computing and Resource Management

2019 - Institute of Electrical and Electronics Engineers | IEEE Internet of Things Journal

Capítulo de livro Revisado por pares

Shivaraj Kengond, D. G. Narayan, Mohammed Moin Mulla,

... Cloud resources are provided by Amazon Web Services, OpenStack, Rackspace, and many more. Stored big data can ... their internal organization. To overcome this problem, an OpenStack cloud system with multi-node setup to provide ... access the Hadoop service which is provided by OpenStack cloud environment.

Tópico(s): IoT and Edge/Fog Computing

2019 - Springer Science+Business Media | Lecture notes in electrical engineering

Artigo Acesso aberto Revisado por pares

Mahantesh Pyati, D. G. Narayan, Shivaraj Kengond,

... Services (QoS) offered by cloud providers. In the OpenStack cloud, LVM is done manually, and it uses ... for the dynamic consolidation of VMs in the OpenStack cloud. The CPU utilization, RAM utilization, and the ... performance analysis of the proposed work in the OpenStack-based real-time testbed of five-node. The ...

Tópico(s): Caching and Content Delivery

2020 - Elsevier BV | Procedia Computer Science

Artigo Acesso aberto

JKR Sastry,

... Open source-based cloud computing systems such as OpenStack, but these platforms to suffer from various weaknesses especially exposing the vulnerabilities attacked.OpenStack open-source cloud computing systems are frequently being ... or public purposes.A dedicated component "Keystone" of OpenStack used for providing security to the resources provisioned ... integrating the "Keystone" based authentication system achieved within OpenStack, and Integrated identity Management System applied within the ...

Tópico(s): Digital Rights Management and Security

2020 - | International Journal of Emerging Trends in Engineering Research

Artigo Acesso aberto Revisado por pares

Prabhakar Krishnan, Kurunandan Jain, Amjad Aldweesh, P. Prabu, Rajkumar Buyya,

... This paper aims to improve network management in OpenStack Clouds by taking advantage of the combination of ... the virtual machines and applications running in the OpenStack SDN cloud so that when any issues or ... framework substantially secures and outperforms prior SDN-based OpenStack solutions for Cloud architectures.

Tópico(s): Internet Traffic Analysis and Secure E-voting

2023 - Springer Nature | Journal of Cloud Computing Advances Systems and Applications