16 roger boesch_xen_client

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Easy and secure single-image desktop deployment with XenClient

Roger Bösch, Systems Engineer

Citrix Systems International GmbH

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What’s XenClient all about?

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• Type 1 hypervisor: High performance because it runs on bare metal

• Built on 64-bit open source Xen technology

• Runs multiple virtual desktops simultaneously

• Completely secure isolation for each VM

• Hardware independent VMs

• Service VM Architecture for extensibility

What is XenClient technology?

Local VM

Desktop

Citrix XenClient

Local VM

Desktop

X86 Hardware

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• Service VMs add shared or unique functionality to Local VM Desktops

• End user interaction

• Advanced security

• VPN connectivity

• Network acceleration

• Built on XenClient API set

• Service VM SDK

XenClient Service VM Architecture

Serv

iceV

M

Local VM

Desktop

Citrix XenClient

Local VM

Desktop

X86 Hardware

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• First Service VM for XenClient

• Simple wizard to create VMs locally

• Easy switching between VMs with Switcher Bar

• Connector for centralized synchronization of desktops

• Self-service provisioning and recovery

• Enforcement of local policy and kill pill

Citrix Receiver for XenClient

Citrix R

eceiv

er

for

XenC

lient

Local VM

Desktop

Citrix XenClient

Local VM

Desktop

X86 Hardware

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Automatic

Δsync

Synchronizer for XenClient

Synchronizer for XenClient

Copy of Local VMs

• Centralized delivery of virtual desktops

• Full-time backup & rapid recovery

• Remote kill & local policy controls

Citrix R

eceiv

er

for

XenC

lient

Local VM

Desktop

Citrix XenClient

Local VM

Desktop

X86 Hardware

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VM Life Cycle process

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VM Life Cycle – Authoring an image

Create Master VM Locally(Install from Media)

Upload to Synchronizer

ImageMode

Dynamic

Static

Ussign user/group

Set policies

Configurehybrid I.A.

(Self)Deploy

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Choosing the right Image mode

VM Lifecycle

A -Deployment B - Update C - Backup D - Restore

OS AppsUser Data + - Status

Static*Synchronizer for

XCVia ESD tool at endpoint image � � � Everything

All changes backed up and

restorable

� storage� bandwidth

Available

Hybrid*Synchronizer for

XCVia ESD tool at endpoint image

X - Patches,

updates; But user/ESD changes persist on endpoint

X - But user

adds/changes persist on endpoint

�

User data only; all patches/updates rolled

into the master image for redeployment to endpoint

via Synchronizer (A)

No back-up of patches/update


No user OS/App changes backed up

Brian

DynamicSynchronizer for

XC

The master/ golden image via

Synchronizer

X – User changes

don’t persist

X – But XA/App-V

streaming apps persist on endpoint

�User data only; Streamed

apps need to be redeployed to endpoint


No OS/App changes backed up

Experimental until Glenn

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VM Life Cycle – Authoring an image

Citrix Confidential - Do Not Distribute

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VM Life Cycle – Assigning an image

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VM Life Cycle – User Self Service VM deployment

Create VM from Synchronizer

Transfer VM

Install and run VM

Select assigned VM

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VM Life Cycle – User Self Service VM deployment

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VM Life Cycle – Update a VM

Run the VM as Admin and install the updates

Upload to Synchronizer

VM Name

Create new version

Ussign user/group

Set policies

Create new image

Block level Differences

*

*

*

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VM Life Cycle – Update a VM

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VM Life Cycle – User Backup

Day to day activitiesby the user

User initiated or scheduled

backup

Dynamic Image

Static Image

User profile and data only

*

*

ImageMode

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VM Life Cycle – User Backup

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VM Life Cycle – User Self Service Recovery

Create VM from Synchronizer

Transfer VM (Golden Image)

Install and run VM

Select restore from backup

Transfer profile / data from backup

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VM Life Cycle – User Self Service Recovery

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XenClient Update

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Platform Support in XenClient 2

XenClient 1.0

Volume Enterprise SystemsAMD Discrete and Integrated Graphics

Value Enterprise SystemsIntel Integrated Graphics

Workstation Enterprise SystemsAMD Discrete Graphics

Volume Enterprise SystemsIntel Integrated Graphics

XenClient 2.0

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Citrix Receiver Enhancements

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• Allow reordering of switcher hotkeys

• Support for 4k disk drives

• OEM Branding

• Systems management agent integration

• Over the air upgrades (HyperVisor)

• Latest Windows service pack support

• Linux guest support (Ubuntu 10/11)

XenClient General Update

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• USB “double hop” support

• USB 3 limited support (USB 1.1 & 2 mode)

• Support for up to 8GB of RAM per VM

• Unregister from Synchronizer, but keep the VM’s

XenClient General Update

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• Optimized backup size

• Hybrid image mode

• Backward compatibility (XenClient 1 SP1)

• Support for AD trust relationships

• Scalability

Synchronizer for XenClient General Update

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• New Policies• Print-screen key

• 3D Graphics

• Application publishing / subscribing

• Ability to delete objects form the Synchronizer

• Separate XenClient access and WEB admin ports

• General UI enhancements


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XenClient 2.1 outlook

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• Simplified Image Management• Layered image mode fully supported

• Localization

XenClient 2.1

16 roger boesch_xen_client

Technology