HP ProLiant WS460c HP Hardware Accelerated Graphics for Desktop Virtualization - Page 6

Graphics accelerated desktop sessions and application virtualization

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Technical white paper | HP Hardware Accelerated Graphics for Desktop Virtualization Graphics accelerated desktop sessions and application virtualization Also a type of shared GPU virtualization, in this model, 3D applications are installed on the host system/VM and published as hosted shared desktops or as a hosted published application supporting large numbers or sessions per host. If the application/session is running on a host equipped with a supported 3D graphics card, each hosted application/session can utilize the graphics card for 3D rendering. Until now, the limiting factor has been the ability of the solution and remoting protocol to be able to fully support DirectX and OpenGL 3D applications. Citrix was the first to offer features in XenDesktop/XenApp products to enable OpenGL and DirectX application support for remote application/desktop sessions. Figure 4 shows the conceptual structure of accelerated desktop and application publishing using Citrix XenDesktop/XenApp. Figure 4. Graphics accelerated session and application virtualization Enterprise Solutions supported 3D Hosted and Desktops: • Citrix XenApp w/GPU Sharing feature add-on • Citrix XenDesktop 7.x Advantages: • Provides benefit of GPU sharing with direct access to the video driver maximizing user density and cost • Ability to publish hosted application with OpenGL and DirectX 3D support • Lowest cost of ownership when compared to other accelerated graphics for VDI technologies • Application Virtualization is supported on both Bare Metal and GPU pass-through (for greater density). Both VMware vDGA and XenServer pass-through are supported Disadvantages: • Some 3D application may not work or be certified as a published application or multi users published desktop • May be unacceptable performance for high end 3D user • GPU can become a performance bottleneck as many users draw on resource of one card and it's possible that one user can consume the resource of the GPU 6

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Technical white paper | HP Hardware Accelerated Graphics for Desktop Virtualization
6
Graphics accelerated desktop sessions and application virtualization
Also a type of shared GPU virtualization, in this model, 3D applications are installed on the host system/VM and published
as hosted shared desktops or as a hosted published application supporting large numbers or sessions per host. If the
application/session is running on a host equipped with a supported 3D graphics card, each hosted application/session can
utilize the graphics card for 3D rendering. Until now, the limiting factor has been the ability of the solution and remoting
protocol to be able to fully support DirectX and OpenGL 3D applications. Citrix was the first to offer features in
XenDesktop/XenApp products to enable OpenGL and DirectX application support for remote application/desktop sessions.
Figure 4 shows the conceptual structure of accelerated desktop and application publishing using Citrix
XenDesktop/XenApp.
Figure 4.
Graphics accelerated session and application virtualization
Enterprise Solutions supported 3D Hosted and Desktops:
•
Citrix XenApp w/GPU Sharing feature add-on
•
Citrix XenDesktop 7.x
Advantages:
•
Provides benefit of GPU sharing with direct access to the video driver maximizing user density and cost
•
Ability to publish hosted application with OpenGL and DirectX 3D support
•
Lowest cost of ownership when compared to other accelerated graphics for VDI technologies
•
Application Virtualization is supported on both Bare Metal and GPU pass-through (for greater density). Both VMware
vDGA and XenServer pass-through are supported
Disadvantages:
•
Some 3D application may not work or be certified as a published application or multi users published desktop
•
May be unacceptable performance for high end 3D user
•
GPU can become a performance bottleneck as many users draw on resource of one card and it’s possible that one user
can consume the resource of the GPU