The year 2010 has been dubbed the year of Cloud Computing. What is cloud computing? Information and Communications Technology (ICT) is the matrix of cloud computing which is Internet-based computing. Shared resources, software, and information are provided to computers and other devices on demand, like the electricity grid
Built on servers, most cloud computing infrastructure consists of services delivered through data centers and often appears as single points of access for all consumers’ computing needs. In business, offerings are generally expected to meet quality of service (QoS) requirements of customers, and typically include SLAs.
Three of the major cloud service providers are:
Amazon
Google and
Salesforce,
To avoid increasing capital expenditures, cloud computing customers do not own the physical infrastructure but instead rent from a third-party provider. Utilizing only the resources as a service, they pay only for resources that they use. Some cloud-computing offerings employ the utility computing model such as electric will consume whereas others bill on a subscription basis.
By sharing computing power among multiple tenants, utilization rates are reduced as servers are not unnecessarily left idle while increasing the speed of application development. Another side-effect of sharing is that overall computer usage rises dramatically, as customers do not have to engineer for peak load limits. Furthermore, by increasing high-speed bandwidth, it is still possible to receive the same response times from centralized infrastructure at other sites.
Cloud computing users can reduce capital expenditure on hardware, software, and services if they pay provider only for what they consumed. Other benefits of sharing are:
Low barriers to entry
Shares infrastructure and costs
Low management overhead and
Immediate access to a broad range of application
You have several options to the use of cloud computing. You will have to determine aside from its quality and reliability of service, the cost of maintenance.
