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| 9 Many companies are choosing DaaS to increase business agility and address use cases like the ones described above, while continuing to depend on VDI for more predictable end-user requirements. Choose Nutanix HCI for VDI Is your organization thinking about VDI, or a strategy combining VDI and desktop as a service? If so, you may be concerned about the challenges of VDI as described in this chapter. You should know that most VDI challenges are easy to overcome—provided you choose the right hardware architecture. Hyperconverged infrastructure (HCI) has proven to be a far better choice for demanding VDI deployments. Nutanix HCI can make VDI much easier to deploy and manage, allowing you to: • Deliver a great experience for all users • Start small and scale to thousands of users without re-architecting • Deploy validated end-to-end solutions 8x faster • Pay as you grow and slash TCO by as much as 60% An Ideal Alternative to VDI For some companies, DaaS may simply be a better fit than VDI. Running VDI in-house can be challenging for many companies due to constraints that may include datacenter space, budget limitations, and staffing. IT teams are already oversubscribed and hiring experienced administrators can be difficult. Adding VDI to the mix just multiplies your challenges. As with any hardware-based solution, with VDI there are significant upfront capital expenses. You may find yourself regularly adding hardware as the number of virtual desktop users grows, and you'll probably completely refresh your VDI infrastructure every three to five years. If demand shrinks, your left with a lot of extra hardware sitting idle. Your organization may have hundreds or thousands of users, each with unique expectations, application requirements, and perceptions. Ensuring consistent performance can be a challenge: demands can swing wildly depending upon usage patterns, the time of day, and the applications in use. Boot storms, antivirus scans, and patch updates all put sudden loads on the infrastructure and slow down performance for users. For organizations in the midst of digital transformation, DaaS often makes perfect sense. You trade CapEx for OpEx, and you enable your team to focus attention on new and expanded services. You also gain the ability to add workspaces for new users with no delays. As users increasingly rely on SaaS and other applications hosted in the cloud, DaaS can actually bring users, data, and applications closer together, improving perceived application performance for users.

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