...introduced and implemented Sever Virtualization technology but there is a very great concern in the security aspect of this implementation. So in this paper I will be discussing the security implications that are brought to the table by implementing Server Virtualization. Virtualization is a methodology that divides a computer’s resources into different environments and/or partitions. It was first developed in the 1960’s by IBM Corporation in order to partition a large mainframe computer into several logical instances running on one mainframe computer as a host .The main (and only) computer is called a host and multiple Virtual Machines can be created within the host. The VMs live independently of one another and different operating systems and applications can be loaded on each VM. Hypervisors play a significant role as far as resource allocation is concerned. Virtualization of servers has contributed tremendously to organization over the very short period since it was introduced to the IT and network environment. The organizations that have adopted this technology have gained a huge benefit in terms of cost savings, lower energy consumption, and the lesser space needed. Although this is very good and useful technology, the understanding of the importance of security enforcement still remains the cornerstone in the implementation of this technology. The introduction of newer and more complex environment triggers advancement as far as security is concerned. Overview As technology...
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...Virtualization and Its Benefits Virtualization and Its Benefits AITP – Research and Strategy Advisory Group Christine, Leja, CCP, Chair Richard C. Barnier Charles L. Brown, CCP Paul F. Dittmann Paul Koziel Mark Welle J.T. Westermeier, JD, CCP Abstract Virtualization provides many benefits – greater efficiency in CPU utilization, greener IT with less power consumption, better management through central environment control, more availability, reduced project timelines by eliminating hardware procurement, improved disaster recovery capability, more central control of the desktop, and improved outsourcing services. With these benefits, it is no wonder that virtualization has had a meteoric rise to the 2008 Top 10 IT Projects! This white paper presents a brief look at virtualization, its benefits and weaknesses, and today’s “best practices” regarding virtualization. The Association of Information Technology Professionals (AITP) recommends these “best practices” to obtain the benefits that virtualization offers. Copyright 2008, Association of Information Technology Professionals. Permission to copy for personal non-commercial use granted. When the paper is referenced or quoted, direct the reader to www.aitp.org. Special thanks to the following editor: Mike Hinton, Southwestern Illinois College AITP Research and Strategy Advisory Group October 14, 2008 Page 1 of 40 Virtualization and Its Benefits Executive Summary Virtualization has quickly evolved from concept...
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...Virtualization Across the Board CIS512 Enterprise Architecture Technology is one aspect of business that can universally enhance any company’s capabilities and add resources to offer a positive impact on the bottom line. However, information technology comes with its own implementation barriers that can complicate matters when making IT investments with an expectation to generate a return on that investment. The biggest impact of virtualization in cost structures is the radical change in how technology is implemented and paid for. Previously, any new technology could require a capital investment, lead times for setup and training, and continuing overhead in the form of support and maintenance personnel. In order to justify this risk, the return on investment had to be exceptionally strong and the company would require excess free capital. All virtualization services are offered without the need for any capital outlay or lead time; once a subscription plan is worked out, the resources are automatically available through any internet connection (Kishore 2012). For companies with existing IT departments, additional servers or services can be brought online immediately and seamlessly. The services offered also allow businesses to enjoy economies of scale, even for miniscule implementations. This also means that companies have access to the latest technology upgrades and updates along with security features and protocols without having...
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...Assignment 3: Virtualization across the Board Chris Brown Strayer University CIS512 Dr. Gideon U. Nwatu ABSTRACT Virtualization is simply when a virtual version of a device or resources such as server, a storage device, network or even an operating system, which divides the resources into one or more execution environment is created. Virtualization has provided greater efficiency in CPU utilization, save energy (less energy consumption), greener IT, and better management through central environment control, reduce project timelines by eliminating hardware procurement, improved disaster recovery capability. Virtualization is sure the best innovation in the IT environment of the present age. The core idea behind virtualization is to make efficient use of hardware resources, such as CPU, memory and disk. In any computing environment it’s highly unlikely that hardware resources are being used to their full capacity. For example a typical desktop does not use more than 10% of its hardware resources under normal operational conditions. By using hardware virtualization, we can more effectively distribute our hardware resources among multiple virtual instances of operating systems according to that particular environment computing needs. Virtualization provides a mean to dynamically allocate hardware resources when needed and essentially unbinding software from hardware. Thus bringing down the overall requirements for hardware, which ultimately result in reduction of...
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...VMWARE WHITE P A P E R W H I T E PAPER Virtualization Overview 1 VMWARE WHITE PAPER Table of Contents Introduction .............................................................................................................................................. 3 Virtualization in a Nutshell ................................................................................................................... 3 Virtualization Approaches .................................................................................................................... 4 Virtualization for Server Consolidation and Containment ........................................................... 7 How Virtualization Complements New-Generation Hardware .................................................. 8 Para-virtualization ................................................................................................................................... 8 VMware’s Virtualization Portfolio ........................................................................................................ 9 Glossary ..................................................................................................................................................... 10 2 VMWARE WHITE PAPER Virtualization Overview Introduction Among the leading business challenges confronting CIOs and IT managers today are: cost-effective utilization of IT infrastructure; responsiveness in supporting new business initiatives;...
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...About VDI VDI (Virtual Desktop Infrastructure), also refereed to as desktop virtualization, is a system that moves the user’s desktops to the What is VDI? VDI stands for Virtual Desktop Infrastructure, using software to virtualize desktops, then deliver that user experience centrally. Instead of users storing their OS, desktop personality and data on individual laptops or desktops, VDI enables desktop data to run centrally on servers maintained by IT admins, and just accessed locally via a traditional PC or a thin client (a network-connected device designed to access VDI images remotely). Other Benefits of VDI •Desktops can be set up in minutes, not hours •Client PCs are more energy efficient and longer lasting than traditional desktop computers •IT costs are reduced due to a fewer tech support issues •Compatibility issues, especially with single-user software, are lessened •Data security is increased http://www.purestorage.com/applications/vdi/what-is-vdi/ What is VDI? Virtual Desktop Infrastructure (VDI) Definition - What does Virtual Desktop Infrastructure (VDI) mean? Virtual desktop infrastructure (VDI) is a virtualization technique enabling access to a virtualized desktop, which is hosted on a remote service over the Internet. It refers to the software, hardware and other resources required for the virtualization of a standard desktop system. VDI is also known as a virtual desktop interface. Techopedia explains Virtual Desktop Infrastructure (VDI) ...
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...sources of VMware’s competitive advantage are immense lead in the virtualization market, high investment in R&D department, a large number of technology alliances and distribution networks, a strong hold on the high-end segment, high customer satisfaction, advanced hypervisor platform and server-based virtualization technology, large installed base and high switch cost for existing customers. So how is that advantage linked to the strengths and weakness of virtualization technology for VMware? Since VMware now has the immense lead in the virtualization market and high customer return on investment helps the company to sustain the lead, it has more money to invest in R&D department and able to attract and form more partnerships with other companies thereby making VMware continue playing a competitive role in the virtualization market. In addition, since VMware has large customer installed base compared with Microsoft and other companies and the switch cost for people who use their VMware’s management tool and build operations around that is pretty high, it has the opportunity to sustain the lead for a long time and build customer loyalty. VMware also suffers from its weakness of virtualization technology. The weakness may include performance penalty especially for a hosted architecture which requires three layers of software to run any application and the possibility to make the system more complex and leads to security, management, licensing and pricing issues. Moreover, because...
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...without being present. This is the concept of virtualization. “Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources”. The virtualization innovation has assisted companies in a positive way, but also can inflict negative wounds to the organization. Virtualization is a proven software technology that is rapidly transforming the IT landscape and fundamentally changing the way that people compute. The 1960s was when virtualization was first deployed by IBM, itts main purpose was to operate mainframe hardware through separating them into virtual machine. In the 1980s and 1990s virtualization was not needed due to the growing numbers of desktop computing and x86 servers. New issues came to rise such as soaring maintenance and managing cost which lead to the creation of virtualization for x86 platform. Virtualization significantly drops general IT costs. Virtualization permits you to run several operating systems on a single computer. In July 2006 Microsoft made public a free Microsoft Virtual PC 2004 which is a windows hosted virtualization program. The latest version is combined with Windows 7 operating system (http://www.infobarrel.com/History_of_Virtualization). Today’s powerful x86 computer hardware was designed to run a single operating system and a single application. This leaves most machines vastly underutilized. Virtualization lets you run multiple virtual machines on...
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...ITDM IT WATCH ON VIRTUALIZATION SUBMITTED BY GROUP 9 CONTENTS 1. INTRODUCTION TO VIRTUALIZATION 2. TYPES OF VIRTUALIZATION 3. ADVANTAGES OF VIRTUALIZATION 4. VIRTUALIZATION IN INDIA 5. REFERENCES INTRODUCTION Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources. In layman's term, virtualization allows you to run an independent operating system within an existing operating system using the existing hardware resources. So if you want to learn another operating system like Linux, you can use virtualization to run Linux on top of the existing operating system. Virtualization is the abstraction of IT resources, separating their physical instance and boundaries from their function. Virtualization has brought important innovation to IT Virtualization concept was first developed by IBM in the 1960s to fully utilize mainframe hardware by logically partitioning them into virtual machines. These partitions will allow mainframe computers to perform multiple tasks and applications at the same time.. During the 1980s and 1990s, desktop computing and x86 servers become available and so the virtualization technology was discarded eventually. Client-server applications and the emergence of Windows and Linux made server computing significantly inexpensive...
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...2.9 Virtualization Virtualization permits users to form, copy, share, migrate, and roll back virtual machines, which can enable them to run a range of applications . However, it also introduces new opportunities for attackers as a result of the extra layer that has to be secured . Virtual machine security becomes as necessary as physical machine security, and any flaw in either one could have an effect on the opposite . Virtualized environments area unit at risk of all sorts of attacks for traditional infrastructures; but, security may be a greater challenge as virtualization adds additional points of entry and additional interconnection complexness . Unlike physical servers, VMs have 2 boundaries: physical and virtual . 2.10 Virtual machine monitor...
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...Running Head: Virtualization How will virtualization change the way government agencies do business in the future? Virtualization Abstract: Server and application virtualization is a hot topic among many government information technology program managers. Today’s government agencies are focusing on reducing expenses while improving the capabilities that information technology provides its customers. This is a difficult task to accomplish with shrinking budgets. A key technology that can help reduce costs in multiple ways is virtualization. Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources. There are many advantages and disadvantages associated with virtualization. Each government agency that is considering virtualization needs to investigate both aspects and make the informed decision according to their business needs and their customers. Depending on the environment that some agencies operate in, virtualization may not be a logical or realistic choice for many of its information technology needs due to security policies that may be in effect. This is especially true within the intelligence community (IC) and Department of Defense (DoD) where they are required to keep different security classifications of data physically separated. Even though system security classification and policy effect government IT environments, the emergence...
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...Cisco Virtualization Experience Infrastructure (VXI) Reference Architecture October 5, 2010 What You Will Learn Enterprise IT departments are pressured to control costs, improve manageability, enhance security, and speed-up the deployment of new capabilities while supporting a consistent user experience across diverse endpoints. Desktop virtualization (DV) has become a popular solution for addressing these needs. With hosted DV, the end-user’s desktop experience (operating system, applications, and associated data) is abstracted from the physical endpoint and centralized. The user’s desktop image is hosted as a virtual machine on a data center server. Users can access hosted virtual desktops from anywhere through DV appliances, smart phones, tablet computers, laptop and desktop computers, and other clients. Organizations deploying DV face many challenges, as the DV technologies potentially affect the entire IT infrastructure. To address these challenges, Cisco has developed Cisco® Virtualization Experience Infrastructure (VXI), a comprehensive architecture for desktop virtualization. Cisco VXI, which uses three existing Cisco architectures, includes designs for virtualized data centers, virtualization-aware borderless networks, and virtualized workspaces, and the critical services needed to support these architectures. Cisco VXI reduces the total cost of ownership (TCO), streamlines operations, simplifies management, and positions organizations for growth. This document describes...
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...United States YEAR: LOCATION: PROJECT NAME: Virtualization of the computing Platform Summary VMware was founded in early 1998 with the plan to bring a modernized version of virtualization to industry standard compute systems. The vision was that this would greatly improve people’s ability to fully utilize, secure, and flexibly manage their compute infrastructure. This vision has resulted in the emergence of a significant industry and also great benefits for VMware’s customers. a sampling of those that have standardized on VMware Virtual Infrastructure shows estimated average savings of ~$1M in hardware, ~$200K in power, and ~222 hours/month in labor. The customers are seeing a return on investment in anywhere from days to at most 9 months. VMware started the x86 virtualization market and today has over 20,000 enterprise customers, over four million users, and is partnered with every major industry player in the x86 space. VMware has received over 65 awards for product innovation and excellence and is consistently recognized as the industry leader in virtualization. Network World wrote in december 2005: “while many companies are having a transformative effect on the computer market, one vendor is at the very forefront of acquiring power: VMware. VMware’s virtual machine products are some of the best in the market and its financial performance has been stunning.” From cNet on March 31, 2006: “it’s VMware, which leads the virtualization market.” The market-research company Idc estimates...
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...| | With so many features called by differing names in each virtualization platform, comparing Microsoft and VMware virtualization solutions can sometimes seem a bit like comparing apples and oranges. But, I’ll try to boil things down to a real-world perspective based on my experience implementing both solutions in the field throughout my career. In this article, I’ll provide a summarized comparison of the feature sets provided by each of these latest releases using the currently available public information from both Microsoft and VMware as of this article’s publication date for additional reference. How to compare? Rather than simply comparing feature-by-feature using just simple check-marks in each category, I’ll try to provide as much detail as possible for you to intelligently compare each area. As I’m sure you’ve heard before, sometimes the “devil is in the details”. For each comparison area, I’ll rate the related capabilities with the following color coded rankings: * Supported – Fully supported without any additional products or licenses * Limited Support – Significant limitations when using related feature, or limitations in comparison to the competing solution represented * Not Supported – Not supported at all or without the addition of other product licensing costs In this Essay, I’ve organized the comparison into the following sections: * Licensing * Virtualization Scalability * VM Portability, High Availability and Disaster Recovery ...
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...save money and one of those areas is technology. It is impossible to eliminate technology such as computers all together because it’s a big part of the city daily operations. One of the potential options is virtualization of city’s physical servers, storage devices, and end user computers would result in significant savings in cost to the city of Seabreeze. Benefits of Virtualization Virtualization is defined as a technology that uses software to run multiple applications and operating systems on one or more physical host servers all at the same time. Within the host server is comprised virtual computers known as VM (Virtual Machines) are running the operating systems and applications similar to a physical PC. VM are setup as virtual servers and virtual desktops. Below is an example how a virtualization server operates. Example of Virtualization Server One of the benefits of virtualization is consolidation of servers since the city has 72 physical servers. The physical servers could be reduced from 72 to 4 host servers due to virtualization. By consolidating the physical servers, it will reduce cost of maintenance, software licenses, and hardware. One example of cost savings, in 2009, Landmark Healthcare had 63 physical servers and used virtualization to replace them. Those servers were replaced with 3...
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