Desktop As A Service (DaaS) is based on the concept that the product, data in this case, can be provided on demand to the user regardless of geographic or organizational separation of provider and consumer. Additionally, the emergence of service-oriented architecture (SOA) has rendered the actual platform on which the data resides also irrelevant. This development has enabled the recent emergence of the relatively new concept of DaaS.
At the outset, implementation of DaaS reduces management costs. Physical desktops require management and, in the event of failure, may need to be rebuilt. Cloud Desktops can be re-created for an earlier ‘snap-shot’ in just minutes!
The single greatest feature of a Cloud Desktop is that it makes your Operating System (OS) completely agnostic of the hardware you are running it on, enabling you to run any OS on any internet connected device.
Your virtual desktop is ‘leased’ and fully-managed; hence, it’s delivered to you as a service. There are many reasons why a cloud desktop is superior to working off the operating system on your local machine. For one, you will no longer need an expensive/robust workstation with an unnecessary surplus of processing power. Virtual workstations are highly-elastic and end-users have the ability to increase or decrease processing power infinitely.
Finally, small and medium businesses can benefit from an enterprise-class solution that increases business agility while reducing support costs.
There is an abundance of mature desktop visualization solutions that are outright free or at least reasonable. From VMware’s Workstation to Oracle’s VirtualBox and Microsoft’s Virtual PC to name a few, you can get started in literally minutes. Why would you want to?
- Trivial backups. Tired of losing a drive and having to restore first the OS, then the applications, and finally your files? Once everything is hosted on a virtual disk, keeping that backed up frequently means a physical disk failure costs you only the time to restore the hardware OS and your virtualization.
- Major time saver. For enterprise environments, this also makes hardware changes for employees a cinch. New desktop? A single file copy and a short VM configuration, and the IT folks can move on to something more important.
- Snapshots prior to patching, new applications. Ever had an antivirus or OS patch destroy your system? Snapshot your virtual machine prior to making changes, and if anything goes wrong, simply revert to the last snapshot.
- Minimal, purposeful systems for online banking (or remote VPN access, shopping, etc). Do you know the malware that threads its tentacles into your system over time from browsing the internet? Keep one virtual machine that has nothing installed except the browser and plugins necessary to do your banking and investing, and once you’re done, shutting down the virtual machine restores it to original state so any potential malware threats are eliminated.
- For the geeks in the audience, quick test setups with teaming (VMware Desktop for sure, check on the others). This is great because you mock up complete test environments and spin them together, but only when you need them. With several Linux-based appliances, you can get virtual switches, routers, firewalls, lamp servers, all purpose-built and ready to go for your test environments.
- Run nothing on the host OS except the hypervisor and antivirus.
Organizations have achieved good ROI with server virtualization by consolidating virtual workloads on a smaller number of physical servers and improving agility through automated provisioning. Many of these organizations are now turning to desktop virtualization looking for similar benefits. While the cost-savings story is not as compelling for desktop virtualization as it is for server virtualization, desktop virtualization solutions can enable the following key improvements:
• Improved Access: Support a wide array of client devices by accessing applications through a browser or VDI (Virtual Desktop Infrastructure) interface
• Reduced IT Complexity: Centralizing management of applications and data can reduce complexity of supporting a large fleet of client devices
• Improved Security: Concerns associated with a lost or stolen client device are mitigated if PHI (protected health information) is not stored on the client
DaaS has many upsides for SMBs. Not only can they move to lower-cost hardware, such as netbooks, to access the cloud-based desktop images, but maintenance and management of the images is completely in the hands of the provider, allowing SMBs to spend money and time on things more central to their business–not on buying and maintaining new computers.
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