VCE Solution for VDI with Citrix XenDesktop on Vblock ... NetScaler ... VCE Solution for VDI with Citrix XenDesktop on Vblock System 540 VCE

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  • www.vce.com

    VCE Solution for VDIwith Citrix XenDesktopon Vblock System 540

    Version 1.0

    December 2015

  • THE INFORMATION IN THIS PUBLICATION IS PROVIDED "AS IS." VCE MAKES NOREPRESENTATIONS OR WARRANTIES OF ANY KIND WITH RESPECT TO THE INFORMATION INTHIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES ORMERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

    Copyright 2015 VCE Company, LLC. All Rights Reserved.

    VCE, VCE Vision, VCE Vscale, Vblock, VxBlock, VxRack, and the VCE logo are registered trademarks ortrademarks of VCE Company LLC. All other trademarks used herein are the property of their respectiveowners.

    2 2015 VCE Company, LLC.

    All Rights Reserved.

  • Contents

    Introduction.................................................................................................................................................5Solution overview................................................................................................................................... 5Benefits.................................................................................................................................................. 6About this document...............................................................................................................................6Audience................................................................................................................................................ 7Feedback................................................................................................................................................7

    Technology components........................................................................................................................... 8Vblock System 540.............................................................................................................................. 8

    Storage components........................................................................................................................8Compute components......................................................................................................................8Networking components.................................................................................................................. 9

    EMC Isilon............................................................................................................................................ 10Citrix components.................................................................................................................................11

    Citrix XenDesktop.......................................................................................................................... 11Citrix XenApp.................................................................................................................................12Citrix NetScaler..............................................................................................................................12Citrix StoreFront.............................................................................................................................13

    VMware vSphere..................................................................................................................................13VMware vSphere ESXi.................................................................................................................. 13VMware vCenter Server.................................................................................................................13

    Architecture overview.............................................................................................................................. 14Logical layout....................................................................................................................................... 14Physical layout..................................................................................................................................... 16Hardware and software components....................................................................................................18

    Design considerations............................................................................................................................. 20Compute design................................................................................................................................... 20Network design.....................................................................................................................................21

    IP network components................................................................................................................. 24Citrix NetScaler design.................................................................................................................. 25

    Storage design..................................................................................................................................... 25Storage for Citrix XenDesktop....................................................................................................... 26Storage for Citrix XenApp.............................................................................................................. 27

    Virtualization design............................................................................................................................. 28Application design................................................................................................................................ 29

    Solution validation....................................................................................................................................30Test environment design...................................................................................................................... 30Test with Citrix XenDesktop................................................................................................................. 31

    3 2015 VCE Company, LLC.

    All Rights Reserved.

  • Test procedure...............................................................................................................................32Test results.................................................................................................................................... 32

    Test with Citrix XenApp........................................................................................................................ 36Test procedure...............................................................................................................................37Test results.................................................................................................................................... 37

    Conclusion................................................................................................................................................ 42Next steps............................................................................................................................................ 42References........................................................................................................................................... 42

    4 2015 VCE Company, LLC.

    All Rights Reserved.

  • IntroductionAn up-to-date approach to IT infrastructure is required before an organization can achieve optimal serviceat minimal cost. The need is for high system availability, tight security, full disaster recovery, and supportfor a short development cycle. To fulfill these and other complex needs, organizations are embracingdesktop virtualization (DV) solutions that combine virtual desktop infrastructure (VDI) with server-hostedapplications that leverage session-sharing technology. The best DV solutions offer greater reliability thando physical desktops; provide flexible options for scenarios that include applications, desktops, or both;and provide service at a low total cost and a high level of online responsiveness.

    Solution overviewThe pre-validated DV solution described in this document excels in all areas: reliability, flexibility, cost,and speed. The solution's core is the Vblock System 540, which is a converged infrastructure: anintegrated set of resources for compute, storage, and networking, all pre-validated and pre-configured.The storage component of this Vblock System is EMC XtremIO, which is an all-flash storage array thatprovides the access speed needed to support large-scale virtualization.

    XtremIO handles the essential DV system needs, allowing an administrator to provide thousands ofdesktops to users, potentially across a wide geographic area. To retain and quickly retrieve largeamounts of user data, the solution includes EMC Isilonthe industry-leading Network Attached Storage(NAS) product. You can use an existing EMC Isilon cluster or incorporate VCE Technology Extension forEMC Isilon Storage, which provides VCE support. The data in Isilon includes user-installed applications,as well as unstructured data such as large documents and multimedia files.

    Both XtremIO and Isilon scale out in a modular way. Whether the module is an XtremIO X-Brick or anIsilon node, it provides cache and processors along with storage so that physical upgrades improve bothcapacity and performance.

    VCE drew on its partnership with Citrix for this solution, which includes the following additional products:

    Citrix XenDesktop, which provisions, manages, and monitors a desktop virtualizationenvironment, allowing the secure delivery of Windows applications as well as fully customizabledesktops.

    Citrix XenApp, which provides remote access to Windows

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