| Utility computing services are very similar to your | | | | the efficient use of resources and/or minimise the |
| phone bill. How much you use, you have to pay for | | | | associated costs that is why utility computing is also |
| that much only. You only have to pay for the specific | | | | called as on demand computing. Usually service like |
| usage you have made. Utility computing is a collection | | | | utility computing is not meant for small business firms |
| of different system resources such as storage, | | | | its for the big players because in many cases |
| bandwidth etc. This service has an advantage - no or | | | | companies outsource out sources part or all of its |
| low initial cost to get hardware. And other computing | | | | computer support to another company it means not |
| resources companies and customers with huge | | | | just technical advice it includes everything from |
| requirements or a sudden increase in demand don't | | | | computer processing power to data storage even |
| have to worry about setting up or physically acquire | | | | the the electricity used. These are the some of the |
| large number of systems, and you don't have to pay | | | | top companies which provide this service. |
| for what you don't use - you will charged for what | | | | * IBM |
| you use. Although, some conventional web hosting | | | | * Joyent |
| service provider also provide bank of servers for | | | | * Layered Technologies |
| manage sudden surge of traffic but it will cost you | | | | * Sun Microsystems |
| higher. | | | | * Amazon |
| It is a type service in which service provider arranges | | | | * Enki |
| for infrastructural and computing resources as | | | | Nowadays many web hosting service providers are |
| customers need and charge for these resources as | | | | offering advanced services like grid computing and |
| per the usage. This the best feature of this service is | | | | cloud computing which uses similar concept like utility |
| that you are charged only for the usage instead of | | | | computing and these web hosting service provider |
| flat rate when compared to conventional web hosting | | | | also offers collocation services. |
| services. Utility computing is a service to maximise | | | | |