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Virtualization - current trends

A survey of 350+ IT professionals from the US, United Kingdom, Japan and Germany to determine current perceptions and utilization of virtualization practices was recently concluded. Here are the findings: 

Server virtualization is a growing trend in enterprise IT. Within the next year, IT professionals anticipate that virtualized machines will outnumber physical, nonvirtualized machines. And while virtualization technology offers many benefits, there are also a number of challenges.

Understanding IT Virtualization

Virtualization is part of an overall trend in enterprise IT. Qualified survey participants were IT professionals whose primary job responsibility included server virtualization in companies where virtualized servers are protected by antimalware security software and have been in production/deployed for at least 3 months..
As expected, server virtualization is widely embraced in today’s marketplace. In addition to virtualized servers, some 70% of the survey respondents also indicated their organization has already deployed or is currently piloting Virtual Desktop Infrastructure (VDI) technology. 

High Level of Virtualization across Server Workloads

When asked to identify the specific server workloads that are virtualized within their organization, it is apparent that organizations are working hard to virtualize many different server workloads. Currently database, apps, and virtual desktops are the most commonly virtualized server workloads.
In general, US enterprises tended to be further along in their adoption of virtualization technologies, than their counterparts in Germany, UK, or Japan. In fact, more than 50% of the US respondents indicated their organizations had successfully virtualized one or more of the server workloads listed above; almost 40% had virtualized the following:
1.     Database
2.     Apps
3.     Virtual Desktops
4.     Email
5.     File
6.     Collaboration
7.     Web
8.     Print
9.     FTP
10.  DNS
11.  Proxy
But the other countries weren’t far behind. More than 50% of the international respondents indicated their company had 5 or more server workloads virtualized. And of the respondents who indicated their organization currently has more physical unvirtualized host servers than virtualized machines, some 60% said they expect that to flipflop within the next year, with virtualized machines soon outnumbering unvirtualized servers.
Server virtualization managers were in agreement that the most common critical resource within their virtual environment was the CPU. Memory and I/O were also highlighted as critical resources for specific types of workloads.
The average peak utilization level of their virtualized server was fairly consistent when working with all of the server workloads: anywhere from 6080%.