XenServer on thin clients PC at LAN Cafe

posted in New Users
Saturday, May 03 2014, 06:57 PM
James
James
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I wasn't sure how exactly XenServer works except have basic knowledge in VMWare. Look like I have a few questions to implement Cloud gaming:

1) Do I need to have multiple copies of Windows license by cloning each VM for each thin clients PC?
2) Can all thin clients access the same or just one Windows OS, thus saving memory usage significantly.
3) Is it possible to minimize server memory usage should the users are accessing the same game e.g. Battlefield 4 multiplayers?
4) Has anyone done any cloud gaming thru XenServer and Nvidia Grid?
5) What is the minimum hardware spec is optimized for at least 40 thin clients?
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  • Accepted Answer

    Tim Mackey
    Tim Mackey
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    Monday, May 05 2014, 02:11 PM - #permalink
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    @james,

    Answers inline, though on the surface it sounds like you want to accomplish this using Citrix XenDesktop;). Also, you're more likely to get interest on this by posting on the xenserver.org developer mailing lists, or the Citrix XenDesktop vGPU support forums.

    > 1) Do I need to have multiple copies of Windows license by cloning each VM for each thin clients PC?
    XenServer doesn't change the OS licensing requirements, so if you will need to consume one of your existing Windows licenses for each Windows VM you deploy.
    > 2) Can all thin clients access the same or just one Windows OS, thus saving memory usage significantly.
    If your application allows you to have multiple connections to the same Windows server, then there is nothing within XenServer which would prevent this from occurring.
    > 3) Is it possible to minimize server memory usage should the users are accessing the same game e.g. Battlefield 4 multiplayers?
    That is more of a question about application tuning. In theory having multiple users per application will reduce the server memory requirements, but the application itself might have a "per-user" memory requirement that makes such savings moot. For example, if the requirement is 1GB per user, there isn't really much XenServer can do to reduce this.
    > 4) Has anyone done any cloud gaming thru XenServer and Nvidia Grid?
    Not that I'm aware of, and that's more to do with the fact that XenDesktop (which is how you gain full access to vGPU in XenServer today), is geared more to the enterprise engineering and design apps than games.
    > 5) What is the minimum hardware spec is optimized for at least 40 thin clients?
    There is no clear answer for this. The better question to ask is "what is the server requirements to run 40 concurrent users on my application with yyy performance SLAs." In the current design, you are able to have a maximum of 64 vGPU users/assignments per XenServer, but the realities of the application often lower this number considerably. For example, if the application requires 64GB to perform correctly, supporting 64 identical VMs in a host would require 4 TB of memory or a value which exceeds the current 1TB memory limit per XenServer host.
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