Utility computing is the packaging of computing resources, such as computation and storage, as a metered service similar to a traditional public utility. This system has the advantage of a low or no initial cost to acquire hardware; instead, computational resources are essentially rented. Customers with very large computations or a sudden peak in demand can also avoid the delays that would result from physically acquiring and assembling a large number of computers.

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  • Utility computing is the packaging of computing resources, such as computation and storage, as a metered service similar to a traditional public utility. This system has the advantage of a low or no initial cost to acquire hardware; instead, computational resources are essentially rented. Customers with very large computations or a sudden peak in demand can also avoid the delays that would result from physically acquiring and assembling a large number of computers. Conventional Internet hosting services have the capability to quickly arrange for the rental of individual servers, for example to provision a bank of web servers to accommodate a sudden surge in traffic to a web site. "Utility computing" has usually envisioned some form of virtualization so that the amount of storage or computing power available is considerably larger than that of a single time-sharing computer. Multiple servers are used on the "back end" to make this possible. These might be a dedicated computer cluster specifically built for the purpose of being rented out, or even an under-utilized supercomputer. The technique of running a single calculation on multiple computers is known as distributed computing. The term "grid computing" is often used to describe a particular form of distributed computing, where the supporting nodes are geographically distributed or cross administrative domains. To provide utility computing services, a company can "bundle" the resources of members of the public for sale, who might be paid with a portion of the revenue from clients. One model, common among volunteer computing applications, is for a central server to dispense tasks to participating nodes, on the behest of approved end-users (in the commercial case, the paying customers). Another model, sometimes called the Virtual Organization (VO), is more decentralized, with organizations buying and selling computing resources as needed or as they go idle. The definition of "utility computing" is sometimes extended to specialized tasks, such as web services.
  • Unter dem Begriff Utility Computing versteht man Technologien und Geschäftsmodelle, mit denen ein Service Provider seinen Kunden IT-Dienstleistungen zur Verfügung stellt und diese nach Verbrauch abrechnet. Beispiele für solche IT-Dienstleistungen sind Rechenleistung, Speicherkapazität oder Applikationen. Als Service Provider kommt auch das Rechenzentrum eines Unternehmens in Frage; in diesem Fall wären die Kunden die einzelnen Sparten dieses Unternehmens. Der englische Begriff utility bezieht sich auf Versorgungsleistungen wie z. B. Elektrizität, Telefon, Wasser und Gas, die von einem Versorgungsbetrieb bereitgestellt werden. Ähnlich wie beim Elektrizitäts- oder Telefonnetz bezieht der Kunde beim Utility Computing die Rechenleistungen über ein gemeinsam genutztes Rechennetz, sein Verbrauch wird gemessen und auf dieser Basis abgerechnet.
  • Utility computing se define como el suministro de recursos computacionales, como puede ser el procesamiento y almacenamiento, como un servicio medido similar a las utilidades públicas tradicionales (como la electricidad, el agua, el gas natural o el teléfono). Este sistema tiene la ventaja de tener un costo nulo o muy bajo para adquirir hardware; en cambio, los recursos computacionales son esencialmente alquilados. Los clientes que realizan procesamiento de datos a gran escala o que están frente a un pico de demanda también pueden evitar los atrasos que resultarían de adquirir y ensamblar físicamente una gran cantidad de computadoras.
  • ユーティリティコンピューティング（英: Utility computing）とは、リソース（CPUやストレージ）を電気/ガス/水道や電話のように使用した分だけ料金を課すようにサービスとしてパッケージ化すること。
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  • If computers of the kind I have advocated become the computers of the future, then computing may someday be organized as a public utility just as the telephone system is a public utility... The computer utility could become the basis of a new and important industry.
  • John McCarthy
  • MIT Centennial in 1961
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  • Utility computing is the packaging of computing resources, such as computation and storage, as a metered service similar to a traditional public utility. This system has the advantage of a low or no initial cost to acquire hardware; instead, computational resources are essentially rented. Customers with very large computations or a sudden peak in demand can also avoid the delays that would result from physically acquiring and assembling a large number of computers.
  • Unter dem Begriff Utility Computing versteht man Technologien und Geschäftsmodelle, mit denen ein Service Provider seinen Kunden IT-Dienstleistungen zur Verfügung stellt und diese nach Verbrauch abrechnet. Beispiele für solche IT-Dienstleistungen sind Rechenleistung, Speicherkapazität oder Applikationen. Als Service Provider kommt auch das Rechenzentrum eines Unternehmens in Frage; in diesem Fall wären die Kunden die einzelnen Sparten dieses Unternehmens.
  • Utility computing se define como el suministro de recursos computacionales, como puede ser el procesamiento y almacenamiento, como un servicio medido similar a las utilidades públicas tradicionales (como la electricidad, el agua, el gas natural o el teléfono). Este sistema tiene la ventaja de tener un costo nulo o muy bajo para adquirir hardware; en cambio, los recursos computacionales son esencialmente alquilados.
  • ユーティリティコンピューティング（英: Utility computing）とは、リソース（CPUやストレージ）を電気/ガス/水道や電話のように使用した分だけ料金を課すようにサービスとしてパッケージ化すること。
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  • Utility computing
  • Utility Computing
  • Utility computing
  • ユーティリティコンピューティング
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