Xen Desktop Microsoft Win7 Magnus Toft

Optimaliser din desktop-infrastruktur
Magnus Toft, Product Manager, Nordics
2009.04.14

XenApp
Citrix Essentials for Hyper-V
XenDesktop
Future Products
With each release of Windows Server
Citrix raises the bar for Application Delivery
PresentationServer 4.x
DesktopServer 1.0
Increasing app delivery capabilities
PresentationServer 3.x
MetaFrame XP
MetaFrame 1.x
Windows
Server 2003
WinFrame
Windows
Server 2000
WinView
Windows
NT 4.x
NT 3.51 Core
MS OS/2 Core
1989 1993 1995 1997 1999 2001 2003 2007 2008 2011

Windows Optimized Desktop Scenarios
Replaceable PC
Flexibility, easy to migrate users
Application
Virtualization
Application
Virtualization
Hot-Desking
Flexibility, compliance, free seating
FolderRedirection
Mobile
Bitlocker Drive Encryption
VDI / VECD
Extending PC Life
Security, low cost, carbon-neutral
Office
Terminal Services
(LOB Application)
Folder
Redirection
WindowsFundamentalsfor Legacy PCs
WindowsFundamentalsfor Legacy PCs
Terminal
Services
(Desktop)
VDI / Hosted Image
Security, right apps and data
Task
VDI / VECD
Working from Home
Security, emergency access
Contract / Offshore
VDI / VECD
Non-Corp Owned PC
Windows Server 2008
Terminal Services Gateway

Key Highlights
Deliver Desktops
Personalize User Config, CPU, RAM
though User Profiles/Hyper-V/SCVMM
Virtualize AppsHosted and Streamed to Virtual Desktop though App-V and XenApp/Terminal Service
Provision Virtual Desktop
CreateVirtual Desktop Image

XenDesktop Leverages Existing Microsoft Infrastructure
Microsoft® App –V (formerly SoftGrid)
Remote App
Desktop Delivery Controller
XenDesktop
Centralized Desktop

Microsoft VDI Technical Architecture
XenDesktop Delivery Controller
ADOU
Licensing
Domain Controller
DataStore
Login Page
User Settings
Apps
Client
Windows Server 2008
Hyper-V
SCVMM
XenDesktop
Provisioning
Server
OS
Dynamic Image
VHD
Storage
Static Image

What is Provisioning Server?
The operating system and software vDisk is streamed to the device using Citrix Provisioning Server OS-streaming functionality.
Target device is powered on.

End User Experience
AccessScenarios
Desktop Appliances
login
Full-Screen
unmanaged machines
Web page
Windowed
Full-Screen

XenDesktop Core Architecture Review

XenDesktop High Level Architecture

XenDesktop Broker System Architecture
Desktop Delivery Controller (Broker) Farm
Uses core XA technology
IMA, licensing, WI, XML
Delivers and controls access to virtual desktops
VDA technology agnostic
User authentication / single sign on
VM power management
ICA policy decision
Licensing
Web Service
WI
DDC Servers
VM Host
(XenServer, Hyper-V,)
User
LDAP
ICA
WebService
LDAP
AD
VDAs
(VMs, Blade PCs)

XenDesktop Broker System Architecture
Worker / controller design
Few controllers / many VDAs
DDC scales to 1,000s of VDAs
DDC not in connection path
Dependent on Active Directory
User authentication
Communication security
Controller discovery
Licensing
Web Service
WI
DDC Servers
VM Host
(XenServer, Hyper-V,)
User
LDAP
ICA
WebService
LDAP
AD
VDAs
(VMs, Blade PCs)

New Features

“HDX Phase II”
Enhancement to existing HDX capabilities
Superior user experience
Client side Flash rendering
USB support for webcams and headsets
Audio performance (quality and bandwidth)
Windows 7
Flexible multi-monitor
Extended support for smart cards to Vista and Windows 7

Computing is Media-rich and Complex
time to first bit
packet prioritization
bandwidth optimization
caching
staging
time to render
flow control
packet loss
heterogeneity
server efficiency
latency

Adaptive Orchestration
HDX
HDX
HDX
in the device
in the network
in the datacenter
Data Center
SSL 001000111010101 SSL 001000111010101 SSL 001000111010101 SSL 001000111010101 SSL 001000111010101

HDX Adaptive Orchestration: SmartRendering
The intelligent combination of client-side andserver-side graphics & multimedia rendering
Fallback to server-side rendering if codecs are missing from the user device or when network latency is above 30ms (configurable)
Switching between sending GDI commands versus sending compressed bitmaps

HDX MediaStream for Flash Architecture in XenDesktop
Client Device
XenDesktop
virtual desktop
End Result
Thinwire virtual channel
ICA Client 11.2
Internet Explorer
ActiveX Calls
ICA
Flash Player
HDX Flash virtual channel
HDX Flash Service
Client side Flash player gets Flash content directly from media source

Endpoint device (Windows only)
Flash player version 10 or higher
Citrix online plugin v11.2 or higher
Internet Explorer
Virtual Desktop (XP, Vista and Win7)
32-bit Internet Explorer 7 or higher
32-bit Adobe Flash 10 player
Bordeaux or later
HDX MediaStream for Flash Requirements

Virtual Desktop
HDX RealTime: Audio Architecture
WDMdriver
Client Audio virtual channel
(bi-directional)
VDA
ICA service
CTX audio
service
LAN
Virtual machines
DDCs
LAN-connected
user withDesktop Receiver
XenServer Pool
WI
XenDesktop Farm

Tested and Supported Softphones
Avaya One-X Communicator 1.0.0.57
Avaya R5/R6
Cisco IP Communicator 2.1.3
Skype 3.8.0.188, and 4.0.0.216
Office Communicator 2.0.6362.0

HDX MediaStream Audio
Citrix Receiver online plug-in includes the new audio codecs optimized for speech to improve VOIP

Broader application compatibility
Full-screen-only mode and Desktop Viewer
Can maximize a session over subset of local mulit-monitors
Support for U / L / T / X shaped monitor configurations
No more "off screen holes"
Support for mixed resolutions
HDX Plug-n-Play Multi-Monitor Support
Citrix Confidential - Do Not Distribute

Feature set support for
Windows XP
Windows Vista
Windows 7
Backward compatible withDDC 3.0
HDX Plug-n-Play: Enhanced Smartcard Support

Enhanced USB Support
Security dongles
Graphics tablets
Bloomberg keyboard with audio
3D Mice
Webcams
Headsets
Microphones
Scanners

Windows XP (32 & 64 bit)
Vista (32 & 64 bit)
Windows 7 (32 & 64 bit)
Virtual Desktop Agent Support

Multiple Forest Support: AD Topologies
Data Center
Data Center
Data Center
AD Forest
Central IT Forest
User Forest
Two-way trusts
DDCs
VDAs
Users
One-way trust
Resource Forest
Forest 1
Forest 2
Forest N
All accounts in one forest
May be in different domains
DDCs and VDAs can authenticate users
DDCs and VDAs can locate farm OU and each other’s computer accounts
Can be useful for PoCs
DDC-VDA communication as before
With Bordeaux AD support -DDCs and VDAs can now look up each other’s account

HDX 3D – Extends current XD infrastructure
Desktop Delivery Controller
User Settings
Gateway
Apps
OS
Dedicated Blade PC
Desktop Appliance
With Citrix Receiver*
(Windows)

Two modes of high speed compression
WAN performance - 2 - 5 Mbps bandwidth, 100-150ms latency
Up to 1600 x 1200 resolution
Support OpenGL and DirectX apps
User-configurable image quality
HDX 3D Technology

HDX 3D at 25% image quality
Noticecompression
Used when motion is priority
Example

HDX 3D at 100%image quality
Lossless
Used when image quality is priority
Example

Future Features

Hypervisor from Citrix/Intel
Intel Processors
personal desktop
corporate image
Xen ClientBare-metal performance and security

Citrix Desktop Delivery Solution
corporate image
desktop VM
subsequent
User Settings
initial download
access control policy
Δsync
corporate image
data
Apps
apps
Users
OS
Joint Intel/Citrix Type-1 hypervisor
PC with Intel® vPro™ Technology
OS

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Xen Desktop Microsoft Win7 Magnus Toft

by Tommy Pedersen on Sep 30, 2009

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