TechTalk. Simplifying Application Delivery to the Virtual Desktop. February Daniel Feller, Sr. Architect Worldwide Consulting Solutions

Transcription

1 TechTalk Simplifying Application Delivery to the Virtual Desktop February 2009 Daniel Feller, Sr. Architect Worldwide Consulting Solutions

2 Agenda Simplifying the Desktop Integrated Architecture Technical Architecture Best Practices Integration Steps Next Steps 2

3 Simplifying the Desktop

4 Desktop Challenges Distributed workstations Hardware failures destroys user s productivity Support remote devices Pushing patches impacts networks One-to-One Relationship Each desktop managed separately Thousands of configurations Slow Security 4

5 Virtual Desktops are Not the Answer Changing to virtual desktops solves little Virtual desktops fails to address One-to-One Relationship Maintenance Must change the overall approach 5

6 A Layered Desktop Delivery Game Break a desktop down into logical layers Manage the layers efficiently and appropriately Align solution on organization's areas of expertise Operating System team Application team Each group optimizes their area of expertise XenDesktop integrates all layers seamlessly 6

7 XenDesktop Overview Architecture External Users Secure Remote Access Controller Efficient, virtual delivery protocol Virtual Desktop Desktop Apps User Settings Internal Users OS Virtualization Infrastructure 7

8 Provisioning Server Overview Silo One A Silo Two Provisioning Server (streaming service) B Network storage C Silo Three Provisioning Server Builder images OS & Workload to Network Storage. 8

9 Provisioning Server Overview Silo One A Silo Two Provisioning Server (streaming service) B Network storage C Silo Three Servers are configured for network boot. Disks optionally removed. 9

10 Provisioning Server Overview Silo One A Silo Two Provisioning Server (streaming service) B Network storage C Silo Three Servers are rebooted. OS & Workload are streamed from service on network. 10

11 Integrated Architecture

12 Application Delivery Architecture XenApp Controllers XenApp Hosts Centralized Storage + Application Hub Provisioning Server + XenApp images Web Interface + Application Site Farm Infrastructure + Citrix Licensing + XenApp Data Store Shared Infrastructure 12

13 Desktop Delivery Architecture XenDesktop Controllers Virtualization Infrastructure XenApp Controllers XenApp Hosts Centralized Storage + Application Hub + Desktop Hub Provisioning Server + XenApp images + Virtual desktop images Shared Infrastructure Web Interface + Application Site + Desktop Site Farm Infrastructure + Citrix Licensing + XenApp Data Store + XenDesktop Data Store 13

14 Leverage Existing Infrastructure Controller Web Interface Data Store Citrix Licensing Application Hub Desktop Hub Hosts/Virtualization Infrastructure XenApp Authenticating, enumerating and launching application Showing graphical representation of the applications Contains the configuration information for the XenApp farm Maintains a list of consumed and available licenses for user sessions A central repository for application streaming profiles Servers used to host applications for users. All application processing occurs on these servers. XenDesktop Authenticating, enumerating and launching desktop requests Showing graphical representation of the desktops Contains the configuration information for the XenDesktop farm Maintains a list of consumed and available licenses for user sessions A central repository for desktop images Servers used to host virtual desktop for users. All virtual desktop processing occurs on these servers. Sharing Hardware Best Practice Maybe. Use XenServer and create two virtual servers Yes. Two sites is preferred. Yes. Use two different data base instances Yes. Yes. No. 14

15 Technical Architecture

16 Two Perspectives User Perspective Simple Limited steps Single-sign on Technical Perspective Automated Tightly integrated Fast Users should not have to do 20 things to get their applications The benefits of layering should not impact usability 16

17 User Perspective Web Interface + Desktop Site Infrastructure End Point + Windows Vista + Citrix Receiver Launch Delivery Controller Virtual Desktop + Operating System + Applications + Citrix Receiver XenDesktop Controller Virtualization Infrastructure 17

18 Process Perspective (Application Enumeration) Virtualization Infrastructure XenApp Controllers XenApp Hosts End Point + Windows Vista + Citrix Receiver Virtual Desktop Virtual Desktop Virtual Desktop Centralized Storage + Application Hub Web Interface + Application Site Shared Infrastructure Active Directory 18

19 Process Perspective (Application Launch) Virtualization Infrastructure XenApp Controllers XenApp Hosts End Point + Windows Vista + Citrix Receiver Virtual Desktop Virtual Desktop Virtual Desktop Centralized Storage + Application Hub Web Interface + Application Site Shared Infrastructure Active Directory 19

20 Best Practices

21 Application Delivery Options Installed Applications are part of base operating system image Every user receives the application Application updates require an update to the base operating system image Directly impacts CPU and memory of virtual desktop Resource usage limited to amount designated to the virtual desktop 21

22 Application Delivery Options Streamed Execute locally on virtual desktop but not installed Encapsulated within an isolation environment separate from OS and other applications Only authorized users can see and execute streamed applications Directly impacts CPU and memory of virtual desktop Resource usage limited to amount designated to the virtual desktop Streaming process consumes network bandwidth and impacts local resources lightly 22

23 Application Delivery Options Hosted Execute remotely on a XenApp server Only authorized users can see and execute hosted applications Only Receiver impacts CPU and memory of virtual desktop Application resource usage consumed on the remote XenApp server Resource usage not bound to a designated amount, can consume majority of XenApp resources 23

24 Application Delivery Options Best Practices Base Anomalous Resource Intensive Technically Challenging Description Common applications all users need Home-grown applications Unique with limited terminal services support Have heavy system requirements Large, complex applications with many moving parts and dependencies Example Microsoft Office (Word, Excel, PowerPoint, Outlook), Adobe Acrobat CAD/CAM, data processing Epic, Cerner, SAP Primary Delivery Recommendation Stream Stream Stream Host Secondary Delivery Recommendation Install Host 24

25 Provisioning Server Write Cache Primer Virtual desktops streamed from a single vdisk image vdisk is read-only Changes from operations stored in a write cache located Memory of target device Storage of target device Storage of Provisioning Server Application streaming directly impacts write cache 25

26 Write Cache and App Streaming Write Cache Storage Swap/temp files PVS vdisk Virtual Machine App cab files Decompressed Rade Cache SAN, NAS App Stream Profile XenServer XenApp SMB/CIFS File share 26

27 Write Cache and App Streaming Write Cache Storage Swap/temp files PVS vdisk Virtual Machine Decompressed Rade Cache SAN, NAS App Stream Profile XenServer XenApp SMB/CIFS File share 27

28 Write Cache Ramifications Pre-Cache Reduces size of write cache Streamed applications launch faster No Pre-Cache Application updates do not require update to vdisk 28

29 Integration Steps

30 XenApp Configuration Create XenApp Services site Configure farm information Setup for Dual Mode streaming Enable Pass-through authentication 30

31 XenDesktop Configuration vdisk private image Download clients Install clients vdisk standard image 31

32 End-to-End Integration Login to Web Interface for Desktops Desktop launches and delivers applications 32

33 Next Steps

34 Application Delivery for Virtual Desktops Don't settle for incremental improvments, change the game Leverage previous investments by integrating Save on hardware Save on time Design a solution based on the business and not on technical limitations Applications are unique and require multiple approaches for delivery 34

35 Download Trial XenDesktop Obtain materials from Citrix.com Reference Architecture (CTX???) Implementation Guide (CTX???) Getting Started Guide (CTX???) Setup solution in test environment Build into production system

36 Simplify Desktop Delivery Save 10% on Citrix Technical Training Enter promo code XDTECH when you register for the following instructor-led courses and save 10%*: XenApp CXA-201-1I Implementing Citrix XenApp 5.0 for Windows Server 2008 XenDesktop CTX-2201AI XenDesktop 2.0 Enterprise Edition: Administration Visit to register and save! Questions? Contact a training specialist at americaseducation@citrix.com to learn more *Offer valid through May 1, Not valid with any other promotions, packages or discount offers. Limit two Savings Certificates per customer per order. Applies only to new registrations. 36

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