Hardware And Software Support For Virtualization
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| Author | : Edouard Bugnion |
| Publisher | : Springer Nature |
| Total Pages | : 188 |
| Release | : 2022-06-01 |
| Genre | : Technology & Engineering |
| ISBN | : 3031017536 |
This book focuses on the core question of the necessary architectural support provided by hardware to efficiently run virtual machines, and of the corresponding design of the hypervisors that run them. Virtualization is still possible when the instruction set architecture lacks such support, but the hypervisor remains more complex and must rely on additional techniques. Despite the focus on architectural support in current architectures, some historical perspective is necessary to appropriately frame the problem. The first half of the book provides the historical perspective of the theoretical framework developed four decades ago by Popek and Goldberg. It also describes earlier systems that enabled virtualization despite the lack of architectural support in hardware. As is often the case, theory defines a necessary—but not sufficient—set of features, and modern architectures are the result of the combination of the theoretical framework with insights derived from practical systems. The second half of the book describes state-of-the-art support for virtualization in both x86-64 and ARM processors. This book includes an in-depth description of the CPU, memory, and I/O virtualization of these two processor architectures, as well as case studies on the Linux/KVM, VMware, and Xen hypervisors. It concludes with a performance comparison of virtualization on current-generation x86- and ARM-based systems across multiple hypervisors.
| Author | : Edouard Bugnion |
| Publisher | : Morgan & Claypool Publishers |
| Total Pages | : 208 |
| Release | : 2017-02-21 |
| Genre | : Computers |
| ISBN | : 1627056882 |
This book focuses on the core question of the necessary architectural support provided by hardware to efficiently run virtual machines, and of the corresponding design of the hypervisors that run them. Virtualization is still possible when the instruction set architecture lacks such support, but the hypervisor remains more complex and must rely on additional techniques. Despite the focus on architectural support in current architectures, some historical perspective is necessary to appropriately frame the problem. The first half of the book provides the historical perspective of the theoretical framework developed four decades ago by Popek and Goldberg. It also describes earlier systems that enabled virtualization despite the lack of architectural support in hardware. As is often the case, theory defines a necessary—but not sufficient—set of features, and modern architectures are the result of the combination of the theoretical framework with insights derived from practical systems. The second half of the book describes state-of-the-art support for virtualization in both x86-64 and ARM processors. This book includes an in-depth description of the CPU, memory, and I/O virtualization of these two processor architectures, as well as case studies on the Linux/KVM, VMware, and Xen hypervisors. It concludes with a performance comparison of virtualization on current-generation x86- and ARM-based systems across multiple hypervisors.
| Author | : James Edward Smith |
| Publisher | : Elsevier |
| Total Pages | : 662 |
| Release | : 2005-06-03 |
| Genre | : Architecture |
| ISBN | : 1558609105 |
In this text, Smith and Nair take a new approach by examining virtual machines as a unified discipline and pulling together cross-cutting technologies. Topics include instruction set emulation, dynamic program translation and optimization, high level virtual machines (including Java and CLI), and system virtual machines for both single-user systems and servers.
| Author | : Rogier Dittner |
| Publisher | : Syngress |
| Total Pages | : 960 |
| Release | : 2011-04-18 |
| Genre | : Computers |
| ISBN | : 0080556655 |
Server Sprawl and escalating IT costs have managers and system administrators scrambling to find ways to cut costs and reduce Total Cost of Ownership of their physical infrastructure. Combining software applications onto a single server, even if those applications are from the same software vendor, can be dangerous and problems hard to troubleshoot. Virtualization allows you to consolidate many servers onto a single physical server reducing hardware, electrical, cooling, and administrative costs. These virtual servers run completely independent of each other so if one crashes the other are not affected. Planning and implementing a server consolidation is a complex process. This book details the requirements for such a project, includes sample forms and templates, and delivers several physical to virtual migration strategies which will save both time and costs. Readers of this book will easily be able to plan and deploy VMware, Microsoft Virtual Server, and Xen. - Create a virtual network to exchange information or provide a service to other virtual machines or computers - Use virtualization to support removable media such as CD or DVD optical disks - Reduce server costs, administration overhead, and complexity
| Author | : Dan Kusnetzky |
| Publisher | : "O'Reilly Media, Inc." |
| Total Pages | : 73 |
| Release | : 2011-06-13 |
| Genre | : Computers |
| ISBN | : 1449313183 |
What exactly is virtualization? As this concise book explains, virtualization is a smorgasbord of technologies that offer organizations many advantages, whether you're managing extremely large stores of rapidly changing data, scaling out an application, or harnessing huge amounts of computational power. With this guide, you get an overview of the five main types of virtualization technology, along with information on security, management, and modern use cases. Topics include: Access virtualization—Allows access to any application from any device Application virtualization—Enables applications to run on many different operating systems and hardware platforms Processing virtualization—Makes one system seem like many, or many seem like one Network virtualization—Presents an artificial view of the network that differs from the physical reality Storage virtualization—Allows many systems to share the same storage devices, enables concealing the location of storage systems, and more
| Author | : Abraham Silberschatz |
| Publisher | : |
| Total Pages | : 829 |
| Release | : 2014 |
| Genre | : Operating systems (Computers) |
| ISBN | : 9781118093757 |
The ninth edition of Operating System Concepts continues to evolve to provide a solid theoretical foundation for understanding operating systems. This edition has been updated with more extensive coverage of the most current topics and applications, improved conceptual coverage and additional content to bridge the gap between concepts and actual implementations. A new design allows for easier navigation and enhances reader motivation. Additional end–of–chapter, exercises, review questions, and programming exercises help to further reinforce important concepts. WileyPLUS, including a test bank, self–check exercises, and a student solutions manual, is also part of the comprehensive support package.
| Author | : Jean Andrews |
| Publisher | : Course Technology |
| Total Pages | : 260 |
| Release | : 2006-12 |
| Genre | : Computers |
| ISBN | : 9780619217655 |
The Lab Manual for A+ GUIDE TO SOFTWARE: MANAGING, MAINTAINING, AND TROUBLESHOOTING, 4th Edition, is a valuable tool designed to enhance your classroom experience. Lab activities, objectives, materials lists, step-by-step procedures, illustrations, review questions and more are all included.
| Author | : Bernard Golden |
| Publisher | : John Wiley & Sons |
| Total Pages | : 382 |
| Release | : 2011-02-04 |
| Genre | : Computers |
| ISBN | : 1118051688 |
Virtualization has become a “megatrend”—and for good reason. Implementing virtualization allows for more efficient utilization of network server capacity, simpler storage administration, reduced energy costs, and better use of corporate capital. In other words: virtualization helps you save money, energy, and space. Not bad, huh? If you’re thinking about “going virtual” but have the feeling everyone else in the world understands exactly what that means while you’re still virtually in the dark, take heart. Virtualization for Dummies gives you a thorough introduction to this hot topic and helps you evaluate if making the switch to a virtual environment is right for you. This fun and friendly guide starts with a detailed overview of exactly what virtualization is and exactly how it works, and then takes you on a tour of the benefits of a virtualized environment, such as added space in overcrowded data centers, lower operations costs through more efficient infrastructure administration, and reduced energy costs through server consolidation. Next, you’ll get step-by-step guidance on how to: Perform a server virtualization cost versus benefit analysis Weigh server virtualization options Choose hardware for your server virtualization project Create a virtualized software environment Migrate to—and manage—your new virtualized environment Whether you’re an IT manager looking to sell the idea to your boss, or just want to learn more about how to create, migrate to, and successfully manage a virtualized environment, Virtualization for Dummies is your go-to guide for virtually everything you need to know.
| Author | : Irv Englander |
| Publisher | : John Wiley & Sons |
| Total Pages | : 73 |
| Release | : 2021-04-06 |
| Genre | : Computers |
| ISBN | : 1119495202 |
The Architecture of Computer Hardware, Systems Software and Networking is designed help students majoring in information technology (IT) and information systems (IS) understand the structure and operation of computers and computer-based devices. Requiring only basic computer skills, this accessible textbook introduces the basic principles of system architecture and explores current technological practices and trends using clear, easy-to-understand language. Throughout the text, numerous relatable examples, subject-specific illustrations, and in-depth case studies reinforce key learning points and show students how important concepts are applied in the real world. This fully-updated sixth edition features a wealth of new and revised content that reflects today’s technological landscape. Organized into five parts, the book first explains the role of the computer in information systems and provides an overview of its components. Subsequent sections discuss the representation of data in the computer, hardware architecture and operational concepts, the basics of computer networking, system software and operating systems, and various interconnected systems and components. Students are introduced to the material using ideas already familiar to them, allowing them to gradually build upon what they have learned without being overwhelmed and develop a deeper knowledge of computer architecture.
| Author | : Kenneth Hess |
| Publisher | : Pearson Education |
| Total Pages | : 438 |
| Release | : 2009-10-12 |
| Genre | : Computers |
| ISBN | : 0137055005 |
The 100% Practical Guide to Making Virtualization Work in Real Enterprise Environments If you’re involved in planning, deploying, or managing virtualization, this book brings together all the field-proven, in-the-trenches answers and solutions you’ll need. Packed with examples and case studies, Practical Virtualization Solutions is a complete, self-paced, hands-on guide to creating a virtualized environment and driving maximum value from it throughout its entire lifecycle. Kenneth Hess and Amy Newman present detailed costs, schedules, and deployment plans drawn from actual enterprise virtualization projects. You’ll learn what really works and what doesn’t and discover powerful ways to systematically control the costs of virtualization and streamline its management. The authors offer realistic guidance on choosing the best services to virtualize; selecting the right virtualization software, hardware, and vendor partners; troubleshooting and securing virtualized environments; and much more. Along the way, they answer crucial questions IT professionals face in working with virtualization. Coverage includes Quantifying the time, hardware, labor, and downtime needed to implement virtualization Streamlining the transition from physical to virtual Comparing VMware ESXi, VMware Server, Microsoft Hyper-V, Citrix XenServer, and other virtualization technologies Identifying opportunities to reduce cost and improve flexibility with open source virtualization technologies Explaining advanced techniques for simplifying virtual machine management Defining the right role for virtualization in networking and storage Automating virtual infrastructure management tasks
