For example, VMware recently made significant changes to its vSphere5 authorization billing model, especially in a part of its hybrid cloud infrastructure suite, this change may affect the cost of deploying virtualization.
How is it charged? You can see here: VMware continues to use the per-processor CPU licensing mode, but it will cancel the physical limits of the current CPU kernel and the physical RAM restrictions on each server, the software authorization mode is based on the virtual memory pool or vRAM. You can obtain the virtual memory pool authorization on vSphere, and this pool contains the memory used by each virtual machine.
The vRAM pool refers to the total number of memories allocated to all virtual machines in the customer's environment. Each time you hold a vSphere 5 CPU license, the purchaser can obtain a specific number of vRAM, which can be pooled throughout the vSphere environment to achieve a real IT consumption mode based on cloud or utility computing. The allocation of vRAM capacity between virtual machines is unrestricted: You can configure multiple small virtual machines or a large virtual machine. VMware vSphere combines CPU, memory, storage, and network into a pool to help customers maximize hardware utilization and efficiency. Using these license changes, VMware expands the concept of "pooling" from the technical field to the business field. "pooling" is one of the basic components of cloud computing. It establishes pooled-based license authorization, maximize utilization and value.
But what if the virtual memory pool is exhausted? So what will happen? In vSphere essenessenand Essentials plus, if you are using a virtual memory pool, you cannot start a new virtual machine, however, you can enable new virtual machines in standard enterprise vSphere, but you will receive a warning.
So will the cost increase if it is used in this way? This is a problem VMware has been criticized. The company explained: "Although each type of environment is affected by unpredictable models, this licensing model is designed for companies that are gaining room for growth, it can also reduce some potential risks."
However, we can see from this that some questions are not clear about VMware's answer, and we can see that they do not know whether the cost has increased, from their perspective, it seems that there is only a small possibility of growth. So their answers seem to be of no help, isn't they?
However, the bigger problem for VMware is that every time VMware changes its authorization mode, the cost of virtualization becomes unpredictable. Microsoft's product marketing manager Rohit Rahi pointed out: "It is based on memory allocation rather than memory usage. There is a huge difference between the two. VMware's authorized billing model has changed three times in the past three years. Will it be changed again in the next six months? This makes them seem unreliable ."
This unreliability once again gave competitors the opportunity to promote their own products. Microsoft's Hyper-V virtualization ecosystem is gaining market share. According to a recent survey by Garner, VMware and Citrix both won the virtual vendor Leadership Award in the magic quadrant. More importantly, Microsoft's virtualization technology is much cheaper than VMware.
At the beginning of this month, Microsoft virtualization Group Project Manager Jeff Woolsey released the hyperv management program update in the win Server8 system at a meeting of its partners. The virtualization manager can support more than 16 virtual cores in each virtual machine. It also contains a new function named Hyper-V Replica, which is a continuous Virtual Machine Replication System for asynchronous applications and can be created in Windows Server 8. It can also work with products of server networks and storage vendors, and it also provides unlimited replication. That is to say, an infinite number of virtual machines can be copied infinitely.
Hyper-V replication may not increase your cost, but the price may be fraudulent, And the virtualization fee you pay may not be what you want.