White Paper: Smart Style Office as Virtual Deskopt Infrastructure for Desktop Virtualization

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White paper about the use of Smart Style Office appliances in desktop virtualization

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White Paper: Smart Style Office as Virtual Deskopt Infrastructure for Desktop Virtualization

  1. 1. Smart Style Office as Virtual DesktopInfrastructure for DesktopVirtualizationZenith Infotech EuropePublished: February 2010Pages: 8 Page 1
  2. 2. ContentsIntroduction and Definitions .................................................................................................................................. 3 Desktop Virtualization Concept.......................................................................................................................... 3 Virtual Desktop Infrastructure ........................................................................................................................... 3 Remote Desktop Software ................................................................................................................................. 4 Thin Clients ......................................................................................................................................................... 4Advantages and Disadvantages .............................................................................................................................. 4 Benefits .............................................................................................................................................................. 4 Limitations .......................................................................................................................................................... 4The Opportunity ..................................................................................................................................................... 4Use Cases ................................................................................................................................................................ 5 Remote Administration ...................................................................................................................................... 5 Hosted Desktops ................................................................................................................................................ 5 Desktop Migration.............................................................................................................................................. 5 Securing Devices and Data ................................................................................................................................. 5 Supporting a Changing Workforce ..................................................................................................................... 5Technical Considerations ........................................................................................................................................ 6Smart Style Office as Virtual Desktop Infrastructure .............................................................................................. 6 Smart Style Office Architecture .......................................................................................................................... 6 Smart Style Office Components ......................................................................................................................... 6 Recommended Configuration ............................................................................................................................ 7 Recommendations ............................................................................................................................................. 7Other White Papers ................................................................................................................................................ 7 Page 2
  3. 3. White Paper IntroductionSmart Style Office as Virtual Desktop Infrastructure for Desktop VirtualizationClient or desktop virtualization is a priority for Pick up the desktops of your clients, move themcompanies, but adoption is ramping up slowly due onto a Smart Style Office and achieve the sameto complexity and cost. While lowering costs is objectives around application functionality withoutdriving client virtualization interest, manageability, reengineering the application, lowering the costssecurity and remote access are the driving forces for your clients.in the business case for desktop virtualization. Desktop Virtualization Concept The concept stores the resulting virtualizedIntroduction and Definitions desktop on a remote central server, instead of onThis white paper examines the current state of the local storage of a client; thus, when users workdesktop virtualization and how Smart Style Office from their remote desktop client, all of thecan be the underlying platform to provide virtual programs, applications, processes, and data useddesktop infrastructure. Desktop virtualization, are kept and run centrally. This scenario allowssometimes called client virtualization, as a users to access their desktops on any capableconcept, separates a personal computer desktop device, such as a traditional personal computer,environment from a physical machine using a notebook computer, smartphone, or thin client. Inclient-server model of computing. simple terms, virtual machines are running on the server (for each client) and clients can connect toFor most organisations the fastest growing server their computers using remote desktop software.workload that will be running in their data centreswill be the desktop. That of course represents a It involves encapsulating and delivering eithertrend towards centralised computing bringing back access from a client to an entire informationin all that distributed computing capability into system environment or the environment itself tocontained environments. Many users will see that connect to a remote client device. The clientagain as a return to the vision of thin client device may use an entirely different hardwarecomputing, but it is much more than that. This is architecture than that used by the projectedan easy path to transition, an easy to way to take desktop environment, and may also be based uponyour presence and responsibilities out of that an entirely different operating system.distributed location without having the need to The desktop virtualization model allows the use ofreengineer your application. virtual machines to let multiple networkThe key is that if you wanted to deliver a thin client subscribers maintain individualized desktops on amodel you had to reengineer your application in single, centrally located computer or server. Thisthat server hosted environment. With the hosted can be the Smart Style Office platform solution asvirtualized desktop world you just pick up the offered by Zenith Infotech. The central machine orapplication, software and the whole environment SSO may operate at a business premise or databring it into a data centre or central location and center. Users may be geographically scattered, butrun it on a server platform and users access it all will be connected to the central machine by aremotely. local area network, a wide area network or the public internet.Performance wise it didn’t use to be good enoughfor every user or every type of application, but this Virtual Desktop Infrastructurechanged since the introduction of Smart Style Virtual desktop infrastructure, sometimes referredOffice. Important is to use virtualized desktops and to as virtual desktop interface (VDI) is the serverSmart Style Office for users where it really works. computing model enabling virtualization, Page 3
  4. 4. encompassing the hardware and software systems Advantages and Disadvantagesrequired to support the virtualized environment. In The shared resources model inherent in desktopother words, VDI is the practice of hosting a virtualization offers advantages over thedesktop operating system within a virtual machine traditional model, in which every computer(VM) running on a centralized server. operates as a completely self-contained unit with its own operating system, peripherals andA Virtual Desktop Infrastructure (VDI) separates application programs. Overall hardware expensesthe personal desktop environment from the may diminish as users can share resourcesphysical machines. It creates a virtual image of allocated to them on an as-needed basis.that personal desktop environment on a remotecentral physical server rather than on the actualphysical desktop of the client. VDI allows end-user Benefits  simpler provisioning of new desktopsto access their personal desktops from anyconnected device such as the traditional personal  use of templates forces standardizationcomputer, notebook, netbook, thin Clients or even  reduced downtime in the event of serverthe more recent Smart Phones or iPads. or client hardware-failures  lower cost of deploying new applicationsBy using a Virtual Desktop Infrastructure IT  desktop image-management capabilitiesresponsible can switch to remote administration of  secure remote access to an enterprisedesktops and can limit the administration and desktop environmentmaintenance of actual physical machines by simply  longer refresh cycle desktopscutting down on these physical machines. Onelarge computer can be used as a server to serve Limitationsseveral terminals or thin clients.  some loss of user autonomy, but this is a serious gain for IT administratorsRemote Desktop Software  difficulty in running certain complexRemote desktop refers to software or an OS applications, such as multimediafeature allowing applications to be run on a server,  increased downtime in the event ofwhile being displayed locally. Remote control is network failuresachieved from one computer to another  reliance on connectivity to corporate orconnected via the local area network or the public networkinternet. The controlling computer displays a copy  complexity and high costs of VDIof the image received from the controlled deployment and managementcomputer’s display screen. The software on thecontrolling computer transmits its own keyboardand mouse activity to the controlled computer, The Opportunitywhere the remote control software implements According to a recent research report by Gartner,these actions. The controlled computer then the worldwide hosted virtual desktop (HVD)behaves as if the actions were performed directly market will accelerate through 2013 to reach 49at that computer. million units, up from more than 500,000 units in 2009. The worldwide HVD revenue will grow fromThin Clients about $1.3 billion in 2009, which is less than 1% ofA thin client is a computer or computer program the worldwide professional PC market, to $65.7which depends heavily on its server to fulfil its billion in 2013, which will be equal to more thantraditional computation roles. The most common 40% of the worldwide professional PC market.type of modern thin clients is a low-end computerterminal which concentrates solely on providing a Gartner estimates that approximately 15% ofgraphical user interface to the end-user. The current worldwide traditional professional desktopremaining functionality, in particular the operating PCs will migrate to HVDs by 2014. Read more:system, is provided by the server. http://www.gartner.com/it/page.jsp?id=920814 Page 4
  5. 5. Use Cases Desktop MigrationManaging desktops is getting harder by the day. Organizations are faced with the daunting task ofEmployees are more mobile and are located in having to migrate their desktop environments tomulti-site work environment, malicious code is Windows 7 as Windows XP availability and supportmore targeted; applications are larger and harder are squeezed. The consensus is clear; Microsoftto deploy in a timely manner; patch management Windows 7 is a desirable and increasingly urgentis a nightmare; and managing dozens of PC images desktop upgrade. Many organizations areis all but impossible. And let’s not even discuss accelerating their move to desktop virtualizationupcoming Windows migrations. Users will tell you to virtualize their Windows 7 migration rather thanthat their machines are simply too slow and that IT implement Windows 7 in their existing desktopis not responsive to their needs. IT support costs architecture.are on the rise, and organizations are looking for a According to Citrix the benefits of transformingway to curtail their spending. Today’s technologies their IT infrastructure with desktop virtualizationdon’t address desktop operations, but it is not accomplish several key goals at once: (1) delivertechnology which are driving the use cases of complete Windows 7 desktops to any device,desktop virtualization. anywhere, instantly: PC, Mac, smartphone, iPad,Remote Administration netbooks or thin clients; (2) lower cost of desktopA simple use for desktop virtualization involves management with longer PC refresh cycles; (3)remote administration, where the controlling control corporate data and ensuring ITcomputer will work almost the same as on a compliance.duplicated desktop, except that the actions of thecontrolling computer or SSO may be almost Securing Devices and Data An operating system will always require patching,unnoticeable on the remote computer display. but increasingly the challenge is securing the data.This differs from simple remote desktop software For most small and large organization, securingin that several people can use the same controlling data and intellectual property are top businesscomputer at once without disturbing each other’s objectives. To do this, however, they are forced towork. This could be useful for several deploy multiple technologies, such as antimalware,administrators doing different tasks on the same host intrusion prevention, information leakserver. prevention and encryption, making it difficult for IT to keep up with the latest threats.In some cases one can buy one large (or server)and several thin clients, rather than purchasing a Supporting a Changing Workforcecomplete computer for each physical workstation. The number of typical 9-to-5 office-bound workersThe controlling thin client computers need only decreases every year. IT faces a two-foldenough resources to run the remote controlling challenge: 1) the increasing number of mobile andsoftware, therefore virtualization can provide a remote employees, and 2) a younger, morevery simple and cheap computing system. demanding generation of workers. And IT must still provide a consistent level of service to theseHosted Desktops users that now require anytime, anywhere accessHosted virtual desktops results from desktop to data and applications. Furthermore, companiesvirtualization services provided through an deal more often with multi-location support issuesoutsourced, hosted subscription model. Hosted and flexible employment. This means that the ITvirtual desktop services generally include a infrastructure needs to support freelance andmanaged desktop client operating system contractors and provision desktops in a temporaryconfiguration. Transferring information technology situation.infrastructure to an outsourced model can shiftaccounting for the associated costs from capitalexpenses to operating expenses. Page 5
  6. 6. Technical Considerations enables IT support staff to provision virtualWhen researching the market for appropriate desktops as large files rather than as individual,hardware and software solutions supporting physical PCs. Hosted desktop virtualization isdesktop virtualization, consider following: where the desktop environment executes in a protected environment in a data center or central  OS support: multiple OS support ranging location. These desktops are always on and users from Windows, Linux, FreeBSD,… can access their environments from anywhere,  Audio support: the remote control including native business continuity and disaster software transfers audio signals across recovery capabilities. the network and plays the audio through the speakers attached to the computer. Smart Style Office Components  Built-in encryption: the software has at The SSO Virtual Desktop Infrastructure consists of least one method of encrypting data the minimal following components: between the local and remote computers,  2 x CS414 nodes with quad core CPU AMD and the encryption is built into the 2.7GHz and 28 GB usable memory in total remote control software.  Storage capacity of 12 x 1TB secondary  File transfer: the software allows the user storage and 4 x 60 GB primary SSD in total to transfer files between the local and  2 switches for public and private network remote computers, from within the client  1 x Racktivity device for power monitoring software’s user interface.  Fully racked and cabled with space to  Local application deliver: users can scale with 2 more node in same rack disconnect from the remote computer and work offline with the local computer  Cloud Management Center with extensive using a desktop virtualised application. virtual machine controls: start, stop, snapshot, clone, restart, etc. but also  Single instance management: means you storage and server management tools. only need to update operating system patching, application updates and profile Each node on the Smart Style Office platform can changes once. host up to 7 virtual desktops (Windows 7) at 2 GB  Seamless window: the software allows an RAM per desktop. It does not require additional application to be run on the server, and server software such as Citrix XenDesktop or just the application window to be shown VMware View. Windows users can take benefit on the client’s desktop, without user from Terminal Services or Remote Desktop interface chrome. Services. Following functionality is important in desktopSmart Style Office as Virtual virtualization:Desktop Infrastructure  Golden image support allowing you to deploy new desktops to specific userSmart Style Office Architecture groupsUsing SSO as client virtualization solution  Desktop performance monitoring withaddresses security, management, availability and real time data and consumption reportingflexibility needs. Client virtualization encompasses  Snapshot functionality allowing users tofour different technologies: 1) local desktop roll-back and roll-forwardvirtualization; 2) hosted desktop virtualization; 3)  Local peripheral support allowing users tolocal application virtualization; and 4) hosted connect devices via hardware thin clientapplication virtualization.  Multimedia support with fluent video andSmart Style Office supports both local and hosted audio streamingdesktop virtualization. Local desktop virtualization Page 6
  7. 7. The system itself can be located at the customer case around the cost savings that your preferredpremise and has all remote administration tools vendor is hyping. Focus your arguments on dataincluded. As long as there is power and IP, remote and endpoint security, improved desktopadministrators can access their Smart Style Office manageability, and flexible remote access. Costinstance and make changes to the configuration, savings are having a hard time proving it toadding new users, removing old profiles, etc. customers because of the additional server hardware, software and bandwidth needed. ThoseBesides on-premise deployments, Smart Style resellers that focus on hard IT support costsOffice can also be placed at the data center. This combined with softer benefits are proving valuerequires another view on bandwidth consumption from day one.and security configuration, but the user experienceshould be identical compared to a local Step 2: Define your scenarios and classify yourdeployment. users.It is important to consider the availability Many of you have already gone through thisrequirements of the customer. When all resources exercise as part of your traditional PCare consumed for desktop virtualization on the management process. For the rest, use a two-stepSmart Style Office instance with a maximum classification method: 1) Based on performanceoccupancy, it might not have enough resource left needs, put users in task-based, knowledge, andto rebuild a server. This won’t have down-time power user groups, and 2) further segment yourimpact in case a provisioned desktop is corrupted users based on whether they are mobile, remote,by a virus for example. It is recommended to or third party. The remaining users who can’t finddeploy desktops at an 80% fill rate against total a home in this classification should remain on acapacity, so there is physical resource left for traditional PC for now.temporary desktops or desktop rebuilds in caseyou need it. Step 3: Pick a problem scenario to start with, build out from there.Recommended Configuration Take a look at your user population. Are thereExample Desktop Virtualization for 10 users groups that have specific needs, such as access to  5 new thin clients + 5 existing PCs highly confidential customer data or the ability to  3 x CS414 nodes (2 desktop nodes + 1 use a non-managed device, which the traditional server/standby node) PC model doesn’t accommodate well? These are great starting points for a client virtualization pilot.  2 x switches + Racktivity device Use the success of the pilot to build your case forRecommendations new user groups and technologies.As a reseller of Zenith Infotech’s products andservices, there is no one-size-fits-all clientvirtualization solution, nor is every user a fit for Other White Papersvirtualization. Desktop environments are almost  Smart Style Office as Virtual Desktopalways unique, so more than with other Infrastructure for Desktop Virtualizationtechnologies, your mileage will vary. Make sure  Smart Style Office as iSCSI Target foryou build a tailored business case that prioritizes Storay Array and Storage Area Networkyour customer’s scenarios. Forrester recommends  Smart Style Office as as Application Hostthat you take this three-step approach: for Multi-Site Small Office Environments  Smart Style Office as Wide Area NetworkStep 1: Build a new business case around security Host for Data Center Servicesand manageability, not cost savings.  Smart Style Office as Server Cluster for High Availability WorkloadsAs with any new technology, you must build abusiness case. Refrain from building this business Page 7
  8. 8. DisclaimerThe information contained in this documentrepresents the current view of Zenith InfotechEurope on the issues discussed as of the date ofpublication. Because Zenith Infotech Europe mustrespond to changing market conditions, it shouldnot be interpreted to be a commitment on the partof Zenith Infotech Europe, and Zenith InfotechEurope cannot guarantee the accuracy of anyinformation presented after the date ofpublication.This White Paper is for informational purposesonly. Zenith Infotech Europemakes no warranties,express, implied or statutory, as to the informationin this document.Complying with all applicable copyright laws is theresponsibility of the user. Without limiting therights under copyright, no part of this documentmay be reproduced, stored in or introduced into aretrieval system, or transmitted in any form or byany means (electronic, mechanical, photocopying,recording, or otherwise), or for any purpose,without the express written permission ofMicrosoft Corporation.Zenith Infotech Europe may have patents, patentapplications, trademarks, copyrights, or otherintellectual property rights covering subject matterin this document. Except as expressly provided inany written license agreement from Zenith InfotechEurope, the furnishing of this document does notgive you any license to these patents, trademarks,copyrights, or other intellectual property.©2011 Zenith Infotech Europe. All rights reserved. Page 8

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