The State of Cloud Platform Standards, Q4 2016 Standards Bodies and Open Source Foundations Learn to Play Nice by Lauren E
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Flexible and Integrated Resource Management for Iaas Cloud Environments Based on Programmability
UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL INSTITUTO DE INFORMÁTICA PROGRAMA DE PÓS-GRADUAÇÃO EM COMPUTAÇÃO JULIANO ARAUJO WICKBOLDT Flexible and Integrated Resource Management for IaaS Cloud Environments based on Programmability Thesis presented in partial fulfillment of the requirements for the degree of Doctor of Computer Science Advisor: Prof. Dr. Lisandro Z. Granville Porto Alegre December 2015 CIP — CATALOGING-IN-PUBLICATION Wickboldt, Juliano Araujo Flexible and Integrated Resource Management for IaaS Cloud Environments based on Programmability / Juliano Araujo Wick- boldt. – Porto Alegre: PPGC da UFRGS, 2015. 125 f.: il. Thesis (Ph.D.) – Universidade Federal do Rio Grande do Sul. Programa de Pós-Graduação em Computação, Porto Alegre, BR– RS, 2015. Advisor: Lisandro Z. Granville. 1. Cloud Computing. 2. Cloud Networking. 3. Resource Man- agement. I. Granville, Lisandro Z.. II. Título. UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL Reitor: Prof. Carlos Alexandre Netto Vice-Reitor: Prof. Rui Vicente Oppermann Pró-Reitor de Pós-Graduação: Prof. Vladimir Pinheiro do Nascimento Diretor do Instituto de Informática: Prof. Luis da Cunha Lamb Coordenador do PPGC: Prof. Luigi Carro Bibliotecária-chefe do Instituto de Informática: Beatriz Regina Bastos Haro “Life is like riding a bicycle. To keep your balance you must keep moving.” —ALBERT EINSTEIN ACKNOWLEDGMENTS First of all, I would like to thank my parents and brother for the unconditional support and example of determination and perseverance they have always been for me. I am aware that time has been short and joyful moments sporadic, but if today I am taking one more step ahead this is due to the fact that you always believed in my potential and encourage me to move on. -
Deliverable No. 5.3 Techniques to Build the Cloud Infrastructure Available to the Community
Deliverable No. 5.3 Techniques to build the cloud infrastructure available to the community Grant Agreement No.: 600841 Deliverable No.: D5.3 Deliverable Name: Techniques to build the cloud infrastructure available to the community Contractual Submission Date: 31/03/2015 Actual Submission Date: 31/03/2015 Dissemination Level PU Public X PP Restricted to other programme participants (including the Commission Services) RE Restricted to a group specified by the consortium (including the Commission Services) CO Confidential, only for members of the consortium (including the Commission Services) Grant Agreement no. 600841 D5.3 – Techniques to build the cloud infrastructure available to the community COVER AND CONTROL PAGE OF DOCUMENT Project Acronym: CHIC Project Full Name: Computational Horizons In Cancer (CHIC): Developing Meta- and Hyper-Multiscale Models and Repositories for In Silico Oncology Deliverable No.: D5.3 Document name: Techniques to build the cloud infrastructure available to the community Nature (R, P, D, O)1 R Dissemination Level (PU, PP, PU RE, CO)2 Version: 1.0 Actual Submission Date: 31/03/2015 Editor: Manolis Tsiknakis Institution: FORTH E-Mail: [email protected] ABSTRACT: This deliverable reports on the technologies, techniques and configuration needed to install, configure, maintain and run a private cloud infrastructure for productive usage. KEYWORD LIST: Cloud infrastructure, OpenStack, Eucalyptus, CloudStack, VMware vSphere, virtualization, computation, storage, security, architecture. The research leading to these results has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under grant agreement no 600841. The author is solely responsible for its content, it does not represent the opinion of the European Community and the Community is not responsible for any use that might be made of data appearing therein. -
Tracking Known Security Vulnerabilities in Third-Party Components
Tracking known security vulnerabilities in third-party components Master’s Thesis Mircea Cadariu Tracking known security vulnerabilities in third-party components THESIS submitted in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE in COMPUTER SCIENCE by Mircea Cadariu born in Brasov, Romania Software Engineering Research Group Software Improvement Group Department of Software Technology Rembrandt Tower, 15th floor Faculty EEMCS, Delft University of Technology Amstelplein 1 - 1096HA Delft, the Netherlands Amsterdam, the Netherlands www.ewi.tudelft.nl www.sig.eu c 2014 Mircea Cadariu. All rights reserved. Tracking known security vulnerabilities in third-party components Author: Mircea Cadariu Student id: 4252373 Email: [email protected] Abstract Known security vulnerabilities are introduced in software systems as a result of de- pending on third-party components. These documented software weaknesses are hiding in plain sight and represent the lowest hanging fruit for attackers. Despite the risk they introduce for software systems, it has been shown that developers consistently download vulnerable components from public repositories. We show that these downloads indeed find their way in many industrial and open-source software systems. In order to improve the status quo, we introduce the Vulnerability Alert Service, a tool-based process to track known vulnerabilities in software projects throughout the development process. Its usefulness has been empirically validated in the context of the external software product quality monitoring service offered by the Software Improvement Group, a software consultancy company based in Amsterdam, the Netherlands. Thesis Committee: Chair: Prof. Dr. A. van Deursen, Faculty EEMCS, TU Delft University supervisor: Prof. Dr. A. -
Architecting for the Cloud: Lessons Learned from 100 Cloudstack Deployments
Architecting for the cloud: lessons learned from 100 CloudStack deployments Sheng Liang CTO, Cloud Platforms, Citrix CloudStack History 2008 2009 2010 2011 2012 Sept 2008: Nov 2009: May 2010: July 2011: April 2012: VMOps CloudStack Cloud.com Citrix Apache Founded 1.0 GA Launch & Acquires CloudStack CloudStack Cloud.com 2.0 GA The inventor of IaaS cloud – Amazon EC2 Amazon eCommerce Platform EC2 API Amazon Proprietary Orchestration Software Open Source Xen Hypervisor Commodity Networking Storage Servers CloudStack is inspired by Amazon EC2 Amazon CloudPortaleCommerce Platform CloudEC2 APIAPIs Amazon ProprietaryCloudStack Orchestration Software ESX Hyper-VOpen SourceXenServer Xen Hypervisor KVM OVM Commodity Networking Storage Servers There will be 1000s of clouds SP Data center mgmt Desktop Owner | Operator Owner and automation Cloud IT Horizontal Vertical General Purpose Special Purpose Learning from 100s of CloudStack deployments Service Providers Web 2.0 Enterprise What is the biggest difference between traditional-style data center automation and Amazon-style cloud? How to handle failures • Server failure comes from: ᵒ 70% - hard disk ᵒ 6% - RAID controller ᵒ 5% - memory ᵒ 18% - other factors 8% • Application can still fail for Annual Failure Rate of servers other reasons: ᵒ Network failure ᵒ Software bugs Kashi Venkatesh Vishwanath and ᵒ Human admin error Nachiappan Nagappan, Characterizing Cloud Computing Hardware Reliability, SoCC’10 11 Internet Core Routers … Access Routers Aggregation Switches Load Balancers … Top of Rack Switches Servers •Bugs in failover mechanism •Incorrect configuration 40 % •Protocol issues such Effectiveness of network as TCP back-off, redundancy in reducing failures timeouts, and spanning tree reconfiguration Phillipa Gill, Navendu Jain & Nachiappan Nagappan, Understanding Network Failures in Data Centers: Measurement, Analysis and Implications , SIGCOMM 2011 13 A. -
Opennebula 5.4 Advanced Components Guide Release 5.4.6
OpenNebula 5.4 Advanced Components Guide Release 5.4.6 OpenNebula Systems Jan 24, 2018 This document is being provided by OpenNebula Systems under the Creative Commons Attribution-NonCommercial- Share Alike License. THE DOCUMENT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IM- PLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE DOCUMENT. i CONTENTS 1 Multi-VM Applications and Auto-scaling1 1.1 Overview.................................................1 1.2 OneFlow Server Configuration......................................1 1.3 OneFlow Services Management.....................................5 1.4 OneFlow Services Auto-scaling..................................... 19 1.5 Virtual Machine Groups (VM Groups)................................. 27 2 Host and VM High Availability 31 2.1 Overview................................................. 31 2.2 OpenNebula HA Setup.......................................... 31 2.3 Virtual Machines High Availability................................... 38 3 Data Center Federation 43 3.1 Overview................................................. 43 3.2 OpenNebula Federation Configuration.................................. 44 3.3 OpenNebula Federation Usage...................................... 47 4 Cloud Bursting 49 4.1 Overview................................................ -
Inequalities in Open Source Software Development: Analysis of Contributor’S Commits in Apache Software Foundation Projects
RESEARCH ARTICLE Inequalities in Open Source Software Development: Analysis of Contributor’s Commits in Apache Software Foundation Projects Tadeusz Chełkowski1☯, Peter Gloor2☯*, Dariusz Jemielniak3☯ 1 Kozminski University, Warsaw, Poland, 2 Massachusetts Institute of Technology, Center for Cognitive Intelligence, Cambridge, Massachusetts, United States of America, 3 Kozminski University, New Research on Digital Societies (NeRDS) group, Warsaw, Poland ☯ These authors contributed equally to this work. * [email protected] a11111 Abstract While researchers are becoming increasingly interested in studying OSS phenomenon, there is still a small number of studies analyzing larger samples of projects investigating the structure of activities among OSS developers. The significant amount of information that OPEN ACCESS has been gathered in the publicly available open-source software repositories and mailing- list archives offers an opportunity to analyze projects structures and participant involve- Citation: Chełkowski T, Gloor P, Jemielniak D (2016) Inequalities in Open Source Software Development: ment. In this article, using on commits data from 263 Apache projects repositories (nearly Analysis of Contributor’s Commits in Apache all), we show that although OSS development is often described as collaborative, but it in Software Foundation Projects. PLoS ONE 11(4): fact predominantly relies on radically solitary input and individual, non-collaborative contri- e0152976. doi:10.1371/journal.pone.0152976 butions. We also show, in the first published study of this magnitude, that the engagement Editor: Christophe Antoniewski, CNRS UMR7622 & of contributors is based on a power-law distribution. University Paris 6 Pierre-et-Marie-Curie, FRANCE Received: December 15, 2015 Accepted: March 22, 2016 Published: April 20, 2016 Copyright: © 2016 Chełkowski et al. -
Opennebula 5.4 Advanced Components Guide Release 5.4.15
OpenNebula 5.4 Advanced Components Guide Release 5.4.15 OpenNebula Systems Jun 19, 2018 This document is being provided by OpenNebula Systems under the Creative Commons Attribution-NonCommercial- Share Alike License. THE DOCUMENT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IM- PLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE DOCUMENT. i CONTENTS 1 Multi-VM Applications and Auto-scaling1 1.1 Overview.................................................1 1.2 OneFlow Server Configuration......................................1 1.3 OneFlow Services Management.....................................5 1.4 OneFlow Services Auto-scaling..................................... 19 1.5 Virtual Machine Groups (VM Groups)................................. 27 2 Host and VM High Availability 31 2.1 Overview................................................. 31 2.2 OpenNebula HA Setup.......................................... 31 2.3 Virtual Machines High Availability................................... 38 3 Data Center Federation 42 3.1 Overview................................................. 42 3.2 OpenNebula Federation Configuration.................................. 43 3.3 OpenNebula Federation Usage...................................... 46 4 Cloud Bursting 48 4.1 Overview................................................ -
Rapid and Accurate Energy Models Through Calibration with IPMI and RAPL
This is a repository copy of Rapid and accurate energy models through calibration with IPMI and RAPL. White Rose Research Online URL for this paper: http://eprints.whiterose.ac.uk/140145/ Version: Accepted Version Article: Kavanagh, R orcid.org/0000-0002-9357-2459 and Djemame, K orcid.org/0000-0001-5811-5263 (2019) Rapid and accurate energy models through calibration with IPMI and RAPL. Concurrency Computation Practice and Experience, 31 (13). e5124. ISSN 1532-0626 https://doi.org/10.1002/cpe.5124 © 2019 John Wiley & Sons, Ltd. This is the peer reviewed version of the following article: Kavanagh, R, Djemame, K. Rapid and accurate energy models through calibration with IPMI and RAPL. Concurrency Computat Pract Exper. 2019; 31:e5124, which has been published in final form at https://doi.org/10.1002/cpe.5124. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. Reuse Items deposited in White Rose Research Online are protected by copyright, with all rights reserved unless indicated otherwise. They may be downloaded and/or printed for private study, or other acts as permitted by national copyright laws. The publisher or other rights holders may allow further reproduction and re-use of the full text version. This is indicated by the licence information on the White Rose Research Online record for the item. Takedown If you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing [email protected] including the URL of the record and the reason for the withdrawal request. -
Opennebula 5.10 Introduction and Release Notes Release 5.10.5
OpenNebula 5.10 Introduction and Release Notes Release 5.10.5 OpenNebula Systems Sep 21, 2020 This document is being provided by OpenNebula Systems under the Creative Commons Attribution-NonCommercial- Share Alike License. THE DOCUMENT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IM- PLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE DOCUMENT. i CONTENTS 1 Concepts and Terminology 1 1.1 Start Here: OpenNebula Overview....................................1 1.2 OpenNebula Key Features........................................6 1.3 Glossary.................................................9 2 Release Notes 5.10.3 11 2.1 What’s New in 5.10........................................... 11 2.2 Resolved Issues in 5.10.1........................................ 15 2.3 Platform Notes.............................................. 16 2.4 Compatibility Guide........................................... 21 2.5 Known Issues............................................... 22 2.6 Acknowledgements........................................... 24 3 Release Notes 5.10.5 Hotfix 25 3.1 What’s a HotFix Release?........................................ 25 3.2 Resolved Issues in 5.10.2........................................ 25 3.3 Resolved Issues in 5.10.3....................................... -
60 Recipes for Apache Cloudstack
60 Recipes for Apache CloudStack Sébastien Goasguen 60 Recipes for Apache CloudStack by Sébastien Goasguen Copyright © 2014 Sébastien Goasguen. All rights reserved. Printed in the United States of America. Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472. O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles (http://safaribooksonline.com). For more information, contact our corporate/ institutional sales department: 800-998-9938 or [email protected]. Editor: Brian Anderson Indexer: Ellen Troutman Zaig Production Editor: Matthew Hacker Cover Designer: Karen Montgomery Copyeditor: Jasmine Kwityn Interior Designer: David Futato Proofreader: Linley Dolby Illustrator: Rebecca Demarest September 2014: First Edition Revision History for the First Edition: 2014-08-22: First release See http://oreilly.com/catalog/errata.csp?isbn=9781491910139 for release details. Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. 60 Recipes for Apache CloudStack, the image of a Virginia Northern flying squirrel, and related trade dress are trademarks of O’Reilly Media, Inc. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc. was aware of a trademark claim, the designations have been printed in caps or initial caps. While every precaution has been taken in the preparation of this book, the publisher and authors assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein. -
A Generic Development and Deployment Framework for Cloud Computing and Distributed Applications
Computing and Informatics, Vol. 32, 2013, 461{485 A GENERIC DEVELOPMENT AND DEPLOYMENT FRAMEWORK FOR CLOUD COMPUTING AND DISTRIBUTED APPLICATIONS Binh Minh Nguyen, Viet Tran, Ladislav Hluchy´ Institute of Informatics Slovak Academy of Sciences D´ubravsk´acesta 9 845 07 Bratislava, Slovakia e-mail: fminh.ui, viet.ui, [email protected] Communicated by Jacek Kitowski Abstract. Cloud computing has paved the way for advance of IT-based on demand services. This technology helps decrease capital expenditure and operation costs, solve scalability issue and many more user and provider constraints. However, devel- opment and deployment of distributed applications on cloud environment becomes a more and more complex task. Cloud users must spend a lot of time to prepare, in- stall and configure their applications on clouds. In addition, after development and deployment, the applications almost cannot move from one cloud to another due to the lack of interoperability between them. To address these problems, in this paper we present a novel development and deployment framework for cloud distributed applications/services. Our approach is based on abstraction and object-oriented programming technique, allowing users to easily and rapidly develop and deploy their services into cloud environment. The approach also enables service migration and interoperability among the clouds. Keywords: Cloud computing, distributed application, abstraction, object-oriented programming, interoperability Mathematics Subject Classification 2010: 68-M14 462 B. M. Nguyen, V. Tran, L. Hluch´y 1 INTRODUCTION Cloud computing is described as a business model for on-demand delivery of com- putation power, in which consumers pay providers what they used (\pay-as-you- go"). -
Guide to the Open Cloud Open Cloud Projects Profiled
Guide to the Open Cloud Open cloud projects profiled A Linux Foundation publication January 2015 www.linuxfoundation.org Introduction The open source cloud computing landscape has changed significantly since we published our first cloud guide in October 2013. This revised version adds new projects See also the rise of Linux container and technology categories that have since technology with the advent of Docker gained importance, and in some cases and its emerging ecosystem. You will be radically change how companies approach hard pressed to find an enterprise Linux building and deploying an open source distribution that isn’t yet working on Docker cloud architecture. integration and touting its new container strategy. Even VMware vSphere, Google In 2013, many cloud projects were still Cloud Platform, and Microsoft Azure are working out their core enterprise features rushing to adapt their cloud platforms to the and furiously building in functionality. And open source Docker project. enterprises were still very much in the early stages of planning and testing their public, This rapid pace of innovation and resulting private or hybrid clouds–and largely at the disruption of existing platforms and vendors orchestration layer. can now serve as a solid case study for the role of open source software and Now, not only have cloud projects collaboration in advancing the cloud. consistently (and sometimes dramatically) grown their user and developer Other components of the cloud infrastructure communities, lines of code and commits have also followed suit, hoping to harness over the past year, their software is the power of collaboration. The Linux increasingly enterprise-ready.