ENTERPRISE GRID DEFINED
  What is Enterprise Computing?
Grid Computing History
Grid Terminology
Grid vs. Distributed Computing
Grid vs. Clustering
Grid vs. Utility Computing
 
INTERACTIVE PRESENTATIONS
  Oracle "Grid Overview" (1 min.)
 
ARTICLES
  eWeek - "Grid in the Enterprise"
InfoWorld - "Getting Down to Grid Computing"
Computerworld - "Grid Poised for Primetime"
MIT Sloan - "Grid Computing"
 
WHITE PAPERS
  Oracle Grid Computing
Oracle 10g: Infrastructure for Grid
IBM: Fundamentals to Grid Computing
IBM: The Era of Grid Computing
 

ENTERPRISE GRID COMPUTING VS. UTILITY COMPUTING

Utility computing is one of a variety of marketing phrases (others include autonomous computing, computing-on-demand, adaptive enterprise) that describe business models for letting customers retrieve computing resources as necessary. Grid is the underlying technology for all of those models.

Utility computing is a service provisioning model in which a service provider makes computing resources and infrastructure management available to the customer as needed, and charges them for specific usage rather than a flat rate. Like other types of on-demand computing (such as grid computing), the utility model seeks to maximize the efficient use of resources and/or minimize associated costs.

The word utility is used to make an analogy to other services, such as electrical power, that seek to meet fluctuating customer needs, and charge for the resources based on usage rather than on a flat-rate basis.

This approach, sometimes known as pay-per-use or metered services, is becoming increasingly common in enterprise computing and is sometimes used for the consumer market as well, for Internet service, Web site access, file sharing, and other applications.

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