Cost savings is always one of the key principles of IT departments. Thus, free tools are usually considered by companies when it comes to application virtualization. But before going for this type of software, at least 6 issues should be taken into account:
1. Do you need a new OS? Many free application virtualization tools are Open Source based and therefore, they are designed to run on Linux. In theory, this shouldn’t be a problem, but if you do not currently use Linux, you should evaluate a possible increase in support costs. On the other hand, if you decide to adopt a new server operating system, you should consider whether the employees have enough knowledge or if it would be necessary to provide specialized training.
Linux 3.19 has been released. We sum up below the main innovations that come with the latter version of the kernel:
–Graphics: support for the new Intel Skylake architecture (which will be released probably by the end of this year), incorporation of AMD AMDKFD driver and performance improvements in the TTM memory management. In addition, it includes support for Nvidia Tegra K1 tension control, for GM204 chip and it improves the frequency change control of memory in the GM21x.
VMware announced vSphere 6, the newest edition of the industry-defining virtualization solution for the hybrid cloud and foundation for the software-defined data center. With more than 650 new features and innovations, VMware vSphere 6 will provide customers with a highly available, resilient, on-demand cloud infrastructure to run, protect and manage any application.
VMware vSphere 6 will be complemented by the newest releases of VMware vCloud Suite 6, VMware vSphere with Operations Management 6, and VMware Virtual SAN 6.
The initial version of Hyper-V only supported one minimal feature for Linux virtual machines (VM) through the installation of an additional component called Linux Integration Services (LIS). But recently, Microsoft has been working with providers to add new features without having to install SIL in newer Linux distributions.
One of the most awaited is the Dynamic Memory. The addition and removal of memory are now fully compatible with virtual machines running on a Windows Server Linux 2012 R2 Hyper-V host. It is important to note that this function is only available for 64-bit Linux distros and in some of them it is necessary to enable support, for example in CentOS and Red Hat Linux distributions.
The recent release of a new version of XenServer 6.5 and a new version of the XenServer Workload Balancing (WLB) adds more features, a better user interface, more advanced monitoring features and changes in licensing, making this technology really useful for Citrix XenServer, XenDesktop, HDX and XenApp users.
The WLB is made up of 4 layers. The upper layer is the most important, since it allows to automate workload balancing, but the most used and powerful are the 3 underlying layers.
A few weeks ago we told you how the University of Sevilla achieved a significant cost saving migrating from vsphere to oVirt. Today we come back to this topic to describe the VDI architecture used by this organization to make the most out of its resources.
First of all, it is necessary to have a suitable chassis to the virtual infrastructure deployed. The University of Sevilla uses Dell Blade iron they already had and they have been incorporating Blade servers to add new elements to the infrastructure. In this way, the initial investment was not too expensive, and as you can extend it easity, it turns out to be a quite affordable solution and easy to pay off.
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