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Virtual desktop infrastructure (VDI) software is based on desktop virtualization technology which allows end users to run virtual desktops within their native desktops which could be any device like laptops and tablets to mobile devices and thin clients. This is facilitated by a virtual machine that lives on a centralized host server of a data center.
Administrators can consolidate hardware resources into more flexible appliances through VDI solutions. End users are able to access multiple desktop variants in just about any location on a device connected to the VDI’s server. VDI solutions are implemented with the help of two major components: a hypervisor and connection broker. A hypervisor is a software program that can be installed over the host server in the data center. Through virtualization, a hypervisor creates multiple virtual machines that run on the host server which is deployed on premises. Each virtual machine can deploy a virtual desktop instance over it and is capable of running separate unique operating systems as well. Connection broker is also a software-based gateway that connects the end-user device to the virtual desktop instance.
VDIs help businesses eliminate the need to operate and maintain multiple PCs in a workspace. Some use cases of VDI solutions include remote access for remote workers, bring your own device (BYOD) programs, rotational shift workers, etc. VDI is being used by organizations that require to comply with regulatory standards like healthcare firms. VDI provides easy access to data stored in a data center as it provides centralized management.
What Does VDI Stand For?
VDI stands for virtual desktop infrastructure. VDI is a technology that provides desktop virtualization by hosting desktop environments on a centralized server. It also offers features that can help a business work from anywhere using any device. It lets businesses enhance their digital workspace experiences, and at the same time ensure secure remote access.
There are two versions of VDI platforms:
Persistent VDI: This type of solution lets a user connect to a similar desktop each time and allows them to personalize their desktops as per their requirements. This personalization set by end users is saved and does not need a reset every time a new connection is initiated. Thus, persistent VDI is similar to personal physical desktops.
Non-persistent VDI: This type of solution lets a user connect to generic desktops. The personalization made to these desktops is not saved, therefore there is no requirement to maintain any custom set desktop. Organizations that need not perform too many repetitive tasks utilize non-persistent VDI.
The following are some core features within VDI that can help users remotely access their virtual desktops from anywhere, anytime:
Desktop virtualization: This feature enables desktop environment simulations and runs applications on the cloud using virtual desktop images that can be accessed remotely.
Application virtualization: This feature creates a virtualized image of the applications and copies them to all the virtual machines.
Desktop provisioning: Desktop provisioning allows virtual desktops to be provisioned almost instantaneously as the settings have to be mirrored from a desktop image.
Image management: These solutions provide a central image management feature for multiple physical and virtual machines.
Multidevice portability: Multidevice portability enables access to a desktop from various devices like mobiles, laptops, tablets, or thin clients. These platforms also enable a wide variety of hypervisors as well.
Two-factor authentication: VDI supports two-factor authentication that provides multifactor security identification while connecting to VDI environments.
Single sign-on (SSO): SSO lets users access VDI environments with one set of sign-in credentials.
Encryption: VDI solutions provide encryption while files are in transit and storage or when files are being accessed through unsecured WiFi.
Access controls and permissions: VDI allows companies to control user access to applications or any other hosted resource.
Centralized management: This feature enables IT teams to update and configure all their virtual desktops very easily because VDI hosts desktop environments on a centralized server and makes them accessible to end users.
Scalability: Software options within VDI range from allowing a single user to run two operating systems on one machine to an entire enterprise having access to virtualized machines. The software buying decision will depend largely on the number of users accessing the virtualized desktops. Furthermore, buyers must consider whether scaling the virtualized desktops to more users will be necessary in the future. Standalone software tools may not support the same scalability as software suites.
Mobile virtualization: It’s worth noting that not every VDI software tool comes with a mobile application. While virtual desktops set up through these options may still be accessed through a mobile browser, not having a native application may make it more difficult to navigate the virtual environment.
VDI’s desktop virtualization technology helps boost the performance of businesses. This helps companies with cost savings, improved response time, and higher employee productivity by managing and securing their IT infrastructure. All of the usual upgrades can be taken care of without user intervention.
Better technology and cost savings: Instead of supplying standardized devices across the company or paying for other costly IT infrastructure components, VDI puts a ton of control in the hands of administrators. They can update devices, provide new applications, and ensure security, all at a fraction of the cost of the manual and infrastructural expense.
The BYOD world makes it much more necessary to provide virtual tools since each device's capabilities are different. As long as a device is reasonably up to date, it can run any program the administrator delegates. This means more operating systems, business applications, and virtual machines regardless of the type of device an employee is using. The tools allow for increased monitoring and improved security.
As all the processing is handled by the host servers, infrastructure requirements for the end user are minimal. End users can handle their virtual desktops built on the virtual machines of the host server from any device like traditional PC’s thin clients, mobile devices, tablets, etc, thus reducing hardware expenses.
Reducing infrastructural burden: Some investment in server and storage hardware may still be necessary, but VDI solutions typically connect devices to hosted networks and cloud storage environments. This makes it easier for the end user to navigate databases and prevents large files from bogging down devices and slowing performance. Hosted databases can be as large as needed and typically scale with costs. Administrators are at an advantage since they get a single navigation point for network access and managing endpoints and storage. These systems also isolate and centralize resources to make the remote devices run more smoothly and securely.
Remote access: VDI allows end users to connect to their virtual desktops from anywhere around the world using any device. This provides employees with remote working options and in turn, improves their productivity.
User experience: VDI solutions provide a consistent experience across devices including PCs, tablets, smartphones, and thin clients, thus providing employees with an experience of working on their workspace desktop in real time.
Extensive options and customization: In addition to customizing the setup to meet storage needs, businesses can customize applications, user access requirements, and bespoke virtual machines. From the administrator end, users can customize security protocols, network monitoring dashboards, and document historical records. Combining the two ends can help develop a remote IT setup that is both cost- and resource-efficient.
Businesses are enabled to give Mac users access to Windows-native applications or vice versa; virtually every application becomes OS agnostic since the organization is choosing the operating system, regardless of the end user’s device. These standardized environments can often be deployed to users across the globe, with limited effects on functionality.
Enhanced employee productivity: With VDI platforms, employees can access their company systems remotely from any device at any time through an internet connection. One can gain access to all the data and applications present on their remote PCs or devices. This provides employees with the flexibility of working from anywhere in the world on their own schedule.
Security: Security is probably the largest additional solution. Properly implemented VDI solutions can improve security by adding further firewall layers, malware scanning applications, and vulnerability management solutions.
All the data and applications reside on a centralized server in the data centers rather than endpoint devices. In case an employee loses their laptop or device, there is no chance the data can be accessed because there is no data stored on the device. Thus, VDI solutions provide high-level security by storing and managing all the sensitive data on remote servers across data centers.
End users: Employees, task workers, field workers, medical experts, regularly depend on VDI solutions to access a reliable virtual desktop from multiple devices and locations. VDI also provides employees the flexibility to work remotely.
Alternatives to VDI can replace this type of software, either partially or completely:
Desktop as a service (DaaS): DaaS solutions provide a virtualized desktop experience to users, entirely from the cloud. Unlike VDI software, which utilizes on-premises hosting for desktop virtualization, DaaS solutions center around cloud hosting the desktop admin console and virtual desktops.
Remote desktop software: Remote desktop software allows a user to seamlessly connect to and interact with a computer in another location via an internal network or the internet.
Remote desktop software enables the user to see and control a connected PC or laptop as though they were sitting directly in front of it. Remote desktop software is helpful for collaborative work, technical support, and demonstrations.
Related solutions that can be used together with VDI include:
VDI software vs. infrastructure as a service (IaaS): IaaS solutions typically provide VDI capabilities, but only as a component of their overall infrastructure offerings. In addition to VDI, IaaS products provide virtual hardware, server space, and network connections. They can also help users host applications, backup data, and automate system maintenance. They can be a lot more all-encompassing infrastructure solutions, but do not provide the same level of end-user control.
VDI software vs. remote desktop software: These two software solutions are quite different, despite their similar names. Remote desktop users are not provided with dedicated, independent virtual machines. Instead, multiple users are operating on the same virtual machine and server operating system. Remote desktop software limits administrative access between users since they are sharing the same virtual machine. Remote desktops can be cheaper and less complex, while also hosting more users. However, they do not provide the same level of freedom for the end user.
Software solutions can come with their own set of challenges.
IT requirements: Deploying a VDI solution on premises within an organization leads to a lot of infrastructure management costs. The company will need to maintain and manage the VDI infrastructure which will, in turn, require a workforce of IT experts to look into the implementation and setup, and later the maintenance and regular upgrades too.
If a company is just starting out and looking to purchase the first VDI solution, or maybe an organization needs to update a legacy system--wherever a business is in its buying process, g2.com can help select the best data warehouse software for the business.
The particular business pain points might be related to connecting to virtual desktops from any location and device while ensuring security. If the company wants to provide flexibility in workspace environments by enabling remote access for their employees, the need is to look for a solution that can provide access to virtual desktops easily at the same time ensure security. Users should think about the pain points and jot them down; these should be used to help create a checklist of criteria. Additionally, the buyer must determine the number of employees who will need to use this software, as this drives the number of licenses they are likely to buy.
Taking a holistic overview of the business and identifying pain points can help the team springboard into creating a checklist of criteria. The checklist serves as a detailed guide that includes both necessary and nice-to-have features including a budget, features, number of users, integrations, security requirements, cloud or on-premises solutions, and more.
Depending on the scope of the deployment, it might be helpful to produce an RFI, a one-page list with a few bullet points describing what is needed from a VDI software.
Create a long list
From meeting the business functionality needs to implementation, vendor evaluations are an essential part of the software buying process. For ease of comparison after all demos are complete, it helps to prepare a consistent list of questions regarding specific needs and concerns to ask each vendor.
Create a shortlist
From the long list of vendors, it is helpful to narrow down the list of vendors and come up with a shorter list of contenders, preferably no more than three to five. With this list in hand, businesses can produce a matrix to compare the features and pricing of the various solutions.
Conduct demos
To ensure the comparison is thoroughgoing, the user should demo each solution on the shortlist with the same use case and datasets. This will allow the business to evaluate like for like and see how each vendor stacks up against the competition.
Choose a selection team
Before getting started, it's crucial to create a winning team that will work together throughout the entire process, from identifying pain points to implementation. The software selection team should consist of members of the organization who have the right interest, skills, and time to participate in this process. A good starting point is to aim for three to five people who fill roles such as the main decision maker, project manager, process owner, system owner, or staffing subject matter expert, as well as a technical lead, IT administrator, or security administrator. In smaller companies, the vendor selection team may be smaller, with fewer participants multitasking and taking on more responsibilities.
Negotiation
Just because something is written on a company’s pricing page, does not mean it is the hard and fast rule (although some companies will not budge). It is imperative to open up a conversation regarding pricing and licensing. For example, the vendor may be willing to give a discount for multi-year contracts or for recommending the product to others.
Final decision
After this stage, and before going all in, it is recommended to roll out a test run or pilot program to test adoption with a small sample size of users. If the tool is well used and well received, the buyer can be confident that the selection was correct. If not, it might be time to go back to the drawing board.
The pricing of VDI solutions typically depends on per named user or the number of concurrent users of virtual desktops.
VDI has been an emerging trend in the technology industry. It has helped businesses enhance their digital workspaces by providing greater flexibility, lower operating costs, and improved employee productivity. Some of the trends driving VDI solutions include:
BYOD
BYOD programs align closely with VDI implementation. VDI lets users access their desktops from any personal device such as laptops, mobile phones, PCs, etc. This makes BYOD simpler and achievable. While letting employees use their personal devices, companies can deal with security issues. VDI also solves issues related to securing all the data and applications accessed by the employee.
Flexible workspaces
With the increase in organizations adopting remote work culture, VDI solutions providing secure remote access to desktops for their employees. This lets employees work from home or anywhere efficiently and effectively.