Applications: Enterprise Virtual Machine used to recover the cost? – The virtual
Institutions are the more physical Server Into virtual environments. Virtualization savings and operational benefits are not disputed. Now with the popularity of virtualization, while problems in the management and organization can see how to obtain the benefits and to recover the cost of virtualization projects. Therefore, the financial and IT functions are more closely together.
In many organizations, IT departments have been and will continue to cost centers and ongoing balance sheet expenses. Most IT departments can not recover costs from their operations in order to prove to the new virtual data center of large-scale investment is reasonable. This is in accordance with the quota charges into the most popular topic of virtualization as a reason.
Virtualization quickly realized something was not cheap virtualization project efforts. In fact, virtualization projects very expensive, including the new Server Hardware, Software , Network Storage Systems, processes and training. However, because of increased IT efficiency and convenience to add a new virtual machine, and the subordinate departments no longer need to purchase their own physical server, so there is a view that virtualization does not allow them to pay any price, to add a new virtual machine is free of charge of. Add a new virtual machine is not free. However, IT departments to provide services to the business sector illustrates this problem?
According to the process savings, reduction in physical space, hardware integration and energy efficiency, how this project can correctly measure the value of the case, a server virtualization project can be managed to generate returns on investment. To get the cost of visibility and in a virtual server environment to implement an appropriate process in accordance with the quota fees, IT departments must accurately determine which business units are using what shared resources (such as processors, Memory , Storage and Network ) And be able to use the dollar value and related links. Can be measured by return on investment is the IT department to success.
Quota fees by changing Quota fees is not a new concept. The concept, first in the old-fashioned large-scale computer data center on the use of that time, agencies invested millions of dollars to buy large-scale computer systems, from the bodies of several government departments. In a client / server environment, there are the traditional tool-based processes to the physical data center procedures for the implementation of quota charges. Use of virtualization, a simple statement of the virtualization infrastructure for the specific dollar value of the number of shared server resources, or inadequate. Other major challenge is the dynamic virtual infrastructure, the nature of constant change and allocation of resources to adjust settings. Traditional general ledger accounting an accounting method does not apply to virtual environments.
Although most agencies recognize the demand for quota charges, but they do not know where to start. As the traditional tool vendors trying to have their products as virtualization product sales, there was a lot of confusion on the market point of view. In addition, more and more to perform in a virtual environment by the introduction of the quota method of charging lead to a more serious disorder.
In a virtual machine to automatically move from one host to another host of dynamic virtual environment, the physical server is no longer close the border. Resource pools and clusters determine where and how to use resources. Therefore, institutions must be examined to measure resource consumption quota of the charges, regardless of where the host resources are available.
Virtual data center in accordance with a quota of people who pay interest is fixed + over (fixed-plus-overage) mode. Most agencies have calculated that they continue to implement virtualization in a time when the cost of a virtual machine. Although this information alone is not enough appropriate quota charges on the business sector, but it is an important first step. To continue to ensure appropriate allocation of costs associated with IT departments to recover the resources, IT departments must be able to measure the actual resources (processors, Memory , Storage and network) to use. This coupled with increased use of information the cost of the new virtual machine so that IT departments will be able to charge business units accurately the actual cost of using virtual machines.
Fixed + excess model is how to work? Each host (physical server) represents a fixed cost. The fixed costs can be divided into the cost of each virtual machine (such as the cost of this server virtual machine is equal to 10 divided by x dollars). There are related to each virtual server other fixed costs, such as storage attached network (SAN), licensing fees, technical support and maintenance, and environmental and space costs. Therefore, it is part of the formulation of the fixed cost of each virtual server. There are known commodities, and most companies have a good estimate of this number. Complex sector is continuously measuring all the shared resources of the unknown and the actual consumption of resources. This process is not completely resolved by the manual.
When multiple business units have deployed in a host of virtual machines when the host's resources are shared. For example, marketing, finance and human resources departments may have a host of virtual machines. IT departments on how to properly measure the share of each sector to use resources? Simple allocation of resources according to the three departments is not fair, because a department may use more than any other sector resources.
Fixed + over model, IT departments to develop a fixed price, using the measurement of resource use to calculate the total resources used by each department. Think It's like family to measure gas, electricity and water consumption as the common measuring devices. Each virtual machine is a common measurement device configured to automatically and accurately measure each department's resource usage, more efficient use of quota under the charge. If you use the resources of the financial sector more than the quota, it is necessary to collect the financial sector and marketing and human resources in different costs.
Not only cost recovery
While cost recovery fee is usually the process of implementing a quota of the main driving factor, but this is not the only problem can be solved. Cost of Ownership data allows IT departments the visibility and access to the cost of resources consumption according to appropriate services to its allocation of resources in various business sectors. As IT departments can make the basis of reliable information on the procurement and upgrade of additional decisions to help optimize the infrastructure, when
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