What Type of Virtualization Should You Deploy to Provide a Virtual Desktop Infrastructure?

Virtual desktop infrastructure (VDI) is a technology that refers to the use of virtual machines to provide and manage virtual desktops. VDI hosts desktop environments on a centralized server and deploys them to end-users on request.

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In VDI, a hypervisor segments servers into virtual machines that in plough host virtual desktops, which users access remotely from their devices. Users tin can access these virtual desktops from any device or location, and all processing is done on the host server. Users connect to their desktop instances through a connexion broker, which is a software-based gateway that acts as an intermediary betwixt the user and the server.

VDI can be either persistent or nonpersistent. Each type offers different benefits:

• With persistent VDI, a user connects to the same desktop each time, and users are able to personalize the desktop for their needs since changes are saved even after the connection is reset. In other words, desktops in a persistent VDI environment act exactly like a personal concrete desktop.
• In contrast, nonpersistent VDI, where users connect to generic desktops and no changes are saved, is unremarkably simpler and cheaper, since there is no need to maintain customized desktops between sessions. Nonpersistent VDI is ofttimes used in organizations with a lot of task workers, or employees who perform a limited ready of repetitive tasks and don't need a customized desktop.

VDI offers a number of advantages, such as user mobility, ease of access, flexibility and greater security. In the past, its loftier-performance requirements fabricated it plush and challenging to deploy on legacy systems, which posed a barrier for many businesses. However, the ascension in enterprise adoption of hyperconverged infrastructure (HCI) offers a solution that provides scalability and high performance at a lower cost.

Although VDI's complexity means that it isn't necessarily the correct selection for every organization, information technology offers a number of benefits for organizations that do use it. Some of these benefits include:

• Remote admission: VDI users can connect to their virtual desktop from whatever location or device, making it easy for employees to admission all their files and applications and work remotely from anywhere in the globe.
• Price savings: Since processing is washed on the server, the hardware requirements for finish devices are much lower. Users tin access their virtual desktops from older devices, thin clients, or even tablets, reducing the need for It to buy new and expensive hardware.
• Security: In a VDI environment, information lives on the server rather than the end client device. This serves to protect data if an endpoint device is ever stolen or compromised.
• Centralized management: VDI's centralized format allows IT to easily patch, update or configure all the virtual desktops in a arrangement.

Although VDI tin can be used in all sorts of environments, there are a number of use cases that are uniquely suited for VDI, including:

• Remote work: Since VDI makes virtual desktops like shooting fish in a barrel to deploy and update from a centralized location, an increasing number of companies are implementing it for remote workers.
• Bring your ain device (BYOD): VDI is an platonic solution for environments that let or require employees to use their own devices. Since processing is washed on a centralized server, VDI allows the apply of a wider range of devices. It besides offers better security, since data lives on the server and is non retained on the end client device.
• Task or shift piece of work: Nonpersistent VDI is particularly well suited to organizations such as call centers that accept a large number of employees who use the aforementioned software to perform limited tasks.

Desktop virtualization is a generic term for any engineering that separates a desktop environment from the hardware used to admission information technology. VDI is a blazon of desktop virtualization, only desktop virtualization tin also be implemented in different ways, such equally remote desktop services (RDS), where users connect to a shared desktop that runs on a remote server.

Virtual machines are the technology that powers VDI. VMs are software "machines" created by partitioning a physical server into multiple virtual servers through the employ of a hypervisor. (This process is also known as server virtualization.) Virtual machines can be used for a number of applications, one of which is running a virtual desktop in a VDI environment.

When planning for VDI deployment, larger enterprises should consider implementing information technology in an HCI environment, every bit HCI's scalability and high performance are a natural fit for VDI's resource needs. On the other mitt, implementing HCI for VDI is probably not necessary (and would be overly expensive) for organizations that require less than 100 virtual desktops.

In addition to infrastructure considerations, at that place are a number of all-time practices to follow when implementing VDI:

• Set your network: Since VDI performance is and so closely linked to network functioning, it'south important to know superlative usage times and conceptualize need spikes to ensure sufficient network capacity.
• Avert underprovisioning: Perform chapters planning in advance using a operation monitoring tool to understand the resource each virtual desktop consumes and to brand sure you know your overall resource consumption needs.
• Understand your end-users' needs: Do your users need to be able to customize their desktops, or are they task workers who can work from a generic desktop? (In other words, is your organization better suited to a persistent or nonpersistent VDI setup?) What are your users' performance requirements? Yous'll need to provision your setup differently for users who apply graphics-intensive applications versus those who just need access to the net or to one or 2 simple applications.
• Perform a pilot test: About virtualization providers offer testing tools that you can apply to run a test VDI deployment beforehand; it's of import to exercise then to make sure you've provisioned your resources correctly.

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Source: https://www.vmware.com/topics/glossary/content/virtual-desktop-infrastructure-vdi.html

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