Cloud Computing: Service on demand


Posted on Monday, January 1, 0001

Posted by : Admin



Cloud Computing: Service on demand

Cloud computing
 
This new technology is based on sharing resources for managing, processing and storage of data. Delivering and using hosting services on the internet has decreased the need to set up dedicated local servers or other personal devices to handle different applications.
 
There is a categorization of clouds based on service they provide.
 
1) IaaS(infrastructure as a service)
Offering services like virtual servers or data storage disks basically infrastructure, is done by this type of cloud. Examples are Amazon, Racksapce.
 
2) PaaS (Platform as a service )
Cloud offering a platform for development of OS, programming language, web server and database falls under this category. Examples are Microsoft Azure and Google app engine. 
 
3) SaaS (Software as a service)
Inplace of buying licensed programs which are generally not pocket friendly , users can subscribe to use software applications offered by organizations at pay-per-use basis.Examples are Gmail and google docs.
 
Cloud computing lets you a create a so called virtual office which is accessible and can be managed from anywhere and at any time. This can be seen as a biggest advantage of this technology. Automated updates which are part of your subscription plan keep you updated with latest improvements such as upgrades to better computing power. 
 
It also results in reduction of IT costs for small as well as big organizations as the cost of equipment and machines such as local servers can be avoided .Also the cost of up-gradation of machinery and time delay caused in setup process is saved. Business continuity and security is another benefit of cloud computing. Uploading your data on cloud server is helpful in case you face any unavoidable crisis such as power supply failure, natural disaster etc. You can be relaxed as your data is securely saved on the cloud server. The service provider companies prioritize safety of your data in order to secure your data from virus threats and Cyber attacks.
 
This technology has resulted in having a huge positive impact on business organizations by cutting their expenses and giving them data security, but has not been very effective in targeting individual developers. This is due to the fact that subscription plans of these providers are expensive for personal use. Further advancement in this technology may help in lowering subscription costs, and make cloud computing reach individual audience.


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