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Is There A Need For Bare Metal Servers In The Cloud?




For anyone in the latter part of the 2010s that was comparing Cisco ACI with VMware NSX, one thing that always came up was connecting a dedicated bare metal server, such as metatrader 5 vps, with a VMware NSX environment.

Since the 2.5 release of NSX T was introduced, it has always had the capability to do this, but there has always been some debate about what you would do this for.

Why Would You Need To?

Since the very earliest days of VMware ESX, the hardware-assisted virtualization of servers has come quite a long way. The process of paravirtualization has had a dramatic impact on reducing virtualization on things like I/O operations. In fact, the latest data shows that the amount of money collected in virtualization tax has dropped significantly. Along with the increased flexibility of server virtualization, it provides you with the ability to increase the resources that are available to any VM or to transfer a running instance over to another actual physical server. This makes you question why we are still stuck on the idea of renting or even owning real physical servers.



There are a number of reasons that justify the existence of bare metal servers and these are listed below.

  • Marketing – the architecture that you use or the solution that has been brought in for another customer supports the use of bare metal servers, which is why you see them everywhere.
  • Licensing Limitations – there are software companies out there that charge you for each and every CPU socket that their software does and can use. In these such cases, you should do everything that you can to ditch this software, or at least run it in a specific way that does not allow their expensive lawyers to think up some reason for charging you even more.
  • Mindset – having your own server in place really does give you that fuzzy and warm feeling. This is true even if it is simply one of several that are sitting within a data center somewhere in the world that you do not know.
  • Nested Virtualization – in order to be able to operate your own hypervisor, you require a certain level of functionality, which simply cannot be done via virtualization that is hardware-assisted. This is also true if you want or need to operate nested virtualization by yourself.
  • Security – for many security practitioners, a hypervisor is something of a nightmare to deal with. However, the impact that it has on security is massively reduced when a single VM is run on a hypervisor host.
  • I/O Performance – whilst you will struggle to find anyone who complains about the impact that virtualization has on the performance of CPUs, the process of implementing I/O operations has the potential to cause some challenges. That is assuming an environment exists where there is only a single VM. For instance, no sane person would operate any sort of trading application that is high frequency in addition to having ritual switches.

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Adam is a tech pundit and Web enthusiast. He works for various Tech Blogs. He spends most of his time reading and writing about technology.

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