Utility Computing
In utility computing refers to techniques and business models that allow its customers IT services has released a service provider available and this settles after consumption. Examples of such services are computing power, storage and applications. As a service provider and the data center of a company comes into question; In this case, the divisions would be your customers.
Term
The English term utility refers to utilities such as electricity, water and gas, which are provided by a utility company. Similar to the current telephone network or not the customer buys the utility computing computing power on a common computing power, its consumption is measured and billed.
Properties
Most definitions of utility computing pose from the following five properties.
Types
Utility computing can be divided into two types Internal and External Utility Utility.
Utility internal means that the computer network is shared only within a company. Benefit several companies pool the computer of a provider, it is called External Utility. Mixed forms are also possible.
Benefits
Utility computing reduces the cost of IT since the resources can be used more effectively. In addition, the costs are transparent and can be assigned to departments in a company directly. In the IT department, fewer people are needed.
The companies achieve greater flexibility, as they can adapt to fluctuating demand their IT resources quickly and easily. Overall, it is easier to manage the IT structure, because not every application requires a specific IT infrastructure is provided.
Development
In 2005, utility computing was still in its infancy. The providers are going to develop the necessary technology. Moreover, missing standards for resource interfaces and metrics that measure the consumption of IT resources.
View current offers for example like this that the customer can obtain a server, where it can unlock additional CPUs already built when needed, and he pays only for the unlocked CPUs.
In other offer can be CPU - hours in a computer grid Subscribe to which you are accessing via the Internet.
A real consumption billing and scalability of services such as in the classic utilities are not yet available.
Similar or related terms
- Cloud Computing
- Dynamic Services
- On Demand Computing
- Dynamic Computing ( summit strategies )
- Organic IT ( Forrester )
- Grid Computing
- Software as a Service
- Pay -as- you-go IT Services ( Saugatuck )
- Application Service Provider
Company
- T-Systems
- 3PARdata
- Global Access
- IBM
- HP
- Sun
- CSC
- EDS
- Data Synapse
- H & D
- IT Management