Desktop virtualisation

Hi EE,

Desktop virtualisation has taken off in the last few years much like server virtualisation.

Obviously there are benefits to be gain from desktop virtualisation. If so, what are the business benefits if you start virtulising your desktop? Why would anyone company would starts employing desktop virtualisation in their environment?

Thanks heaps
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
There is a small amount of virtual hardware to manage, but these are all clones, so you only have to create and manage one (with patches, anti-virus, applications). - umm - maybe!

If we are referring to the VMware solution, you use the VMware View Manager (admin tools).

vSphere Client is a general vSphere tool for overall management, it's one of the tools used to manage a VMware VDI.

The big gain with VDI is performance versus a traditional thin client screen session. Performance is very good, especially over low bandwith connections

e.g. the ability via VMware View PCoIP on an iPAD to watch Live TV via 3G!
Acosta Technology ServicesConnect With a Mentor Commented:
You'll receive a lot of information for this, but I'll just give a few high points I've experienced:

-Ease of deployment:  The ability to roll out a new desktop solution rapidly, reducing stress on a usually overtaxed helpdesk department.  Adding new software can be accomplished using a template instead of GPO or manual installation.

-Backup options:  Creating snapshots of desktops for immediate system recovery is much easier than using cloud-based backup or a simple file backup with a remote agent.

-Expansion:  Rather than constantly spending money on desktop improvements and replacements, you can use your depreciation budget to increase performance for your storage and hosts.

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
To give you a good understanding, checkout and read this document

If you are looking for an independent overview of the Server Hosted Desktop Virtualization (VDI) solutions and curious about the different features- and functions each Desktop Virtualization vendor is offering!? This is the whitepaper you definitely must read!

In the current market there is an increasing demand for unbiased information about Desktop Virtualization solutions. This white paper is focused on solutions that are anticipated to have an important role in VDI deployments. An overview of available features of each solution is created to better understand each solutions capability.

The overall goal of this whitepaper is share information about:

¿ Application- and Desktop Delivery Solutions overview;
¿ Explain the different Desktop Virtualization concepts;
¿ Explain the pros and cons of Virtual Desktop Infrastructure;
¿ Describe the different Virtual Desktop Infrastructure (VDI) vendors and solutions;
¿ Compare the features of the various VDI solutions;

This document is intended for IT Managers, Architects, Analysts, System Administrators and IT-Pro¿s in general who are responsible for and/or interested in designing, implementing and maintaining Virtual Desktop Infrastructures.

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rindiConnect With a Mentor Commented:
Continuing from above:

-A desktop OS is generally easier to use and visually a better experience to the user than a Terminal Server environment.

-The VM's are stored centrally in a data center, that is easier to manage and keep secure.

-The users can access their own desktop from anywhere, they don't have to sit at their physical desktop PC.

-The Physical hardware the users have access to can be old, or very stripped down and cheap.
mcse2007Author Commented:
It appears desktop virtualisation has high degree of similary with Citrix desktop session but the key difference is the former can be customised (e.g., installed Windows 7 O/S on vm guest) while the latter depend upon the O/S server where Citrix is installed?

Effectively, the focus is on the virtualise host server (e.g., robust hardware with sufficient RAM etc), to delivery virtualise desktop to users using their clunky physical pc but achieve high degree of good performance and newier technlogy through desktop virtualisation (e.g., deploy Linux or Windows O/S client)?

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
They are similar, but a Thin Client (Citrix) is just a hosted session, which does not allow access to hardware.

VDI give you the ability to access some hardware features, which maybe required by the Clients requirements.

BUT, if you go down the route of VDI, you still end up managing desktops, whereas with Citrix, you manage Servers, which host many sessions!
mcse2007Author Commented:
right, thanks hanccocka.

As the word imply, you simply virtualise the desktop but still manages the individual user's virtualise desktop at the user level. But of course you still have the option to add/remove hardware component through vSphere client? Or this can be achieved through the virtualise desktop at the user level?

heaps of thanks to the VDI is AWESOME.
mcse2007Author Commented:
Thanks guys...its been educational.
Not sure what will happen if your company currently has the PSTs hosted on trhe desktop. This coulld gravely affect the scaling solution..??
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