News / Hot Topics
MANAGING VIRTUAL ENVIRONMENTS
The number of virtual machines (VMs) that you can fit on each physical server -- or VM density -- is one of the most important metrics to determine the success of your server consolidation and virtualization deployment efforts. It also enhances business outcomes by indicating where your organization can be more cost-effective and improve operating margins.Read More
17 April 2009
Citrix to offer free XenServer; Takes shot at VMware
Citrix on Feb. 23 will detail plans to offer free licenses to its XenServer virtualization application and team with Microsoft to swap support. Citrix and Microsoft will also extend their 20-year partnership into the virtualization market. In a nutshell, Citrix will work with Microsoft to provide system management, Citrix Essentials for Hyper-V. Microsoft’s System Center will support XenServer Read more18 February 2009
A comparison of important features between Citrix XenServer 5, Microsoft Hyper-V 1.0 and ESXi 3.5u3
I think I’ve got about a dozen emails asking for a simple comparison table, and frankly I think the value of such things are nil because they cannot possibly cover everything. But, just to get it out there, here’s a table that I quickly threw together, based on the excellent work in this blog So here’s the table, let me know if I got something wrong: Read more13 February 2009
Who cares what hypervisor you use?
It is not what hypevisor you use when you leverage virtualization, it is the hypevisor management software that will really count. It dawned on me today that major vendors such as VMware, Microsoft, Citrix, etc. have all created hypervisors that are free. VMware has ESX3i, Microsoft has Hyper-V, and Citrix has Xen. Each company puts out tons of reasons why its hypervisor is better. What does all this mean? The leader in the market doesn’t care anymore about the hypervisor. Hypervisor Management is where it is at. Read more12 February 2009
Virtualization minnow goes agnostic
As everyone expected when server virtualization took off on x64 iron a few years back, the hypervisors that provide the ability to carve up a machine into multiple virtual machines have rapidly commoditized. When you pay for a VM tool, you are getting all of the extra goodies, like live migration and backup and recovery, that hook into the hypervisor, as well as the ability to manage the VMs, whether they are turned on or mothballed. Each of the key hypervisors has its companion management tool: VMware's ESX Server has VirtualCenter, Citrix Systems' XenServer has XenCenter, and Microsoft's Hyper-V has System Center Virtual Machine Manager.Read more
20 January 2009
