Flexibility: The technology of cloud computing gives users flexibility can freely select the appropriate service for their needs, as well as be able to remove those components that you do not want.
Rather because money spent large amounts of investment costs for a system (including non-essential systems), users simply cost money to buy the products they need.
for example: instead of money to buy an office suite (including many different software: word, excel, power point, access, outlook, ...) users simply give up the cost of actually purchasing the necessary software.
Save cost: With this technology allows users to use applications without concern to the purchase and maintenance of servers. The use of applications via cloud computing platform not only allows users to reduce the cost of the initial investment, but also help service providers exploit the use of equipment to the maximum extent.
Creating independence: users will no longer confined to one device or one particular location again. With cloud computing, software, data is provided on the Internet can be accessed and used from anywhere, on any device with an Internet connection without having to pay much attention to the limit hardware as well as geography.
Enhanced reliability: data in the cloud computing model is stored first in many ways dispersed server clusters in many different positions. This helps to increase the reliability, safety of data when there is a problem or disaster.
Security: The concentration data from different sources will help security professionals enhance security protection of user data, as well as minimizing the risk of data theft whole. (The data are located in 6 different servers → in case of hacker attacks, you'll also be exposed only 1/6. This is one way of sharing risks between the different organizations.)
Easy maintenance: all software are located on the server, this time, users will not need to worry about updates or software fix again. And programmers are also easier to install, upgrade their applications.
The risks of cloud computing?
Privacy: The user information and data is stored on cloud computing ensure privacy, and whether such information has been used for some other purpose?
the downside is heavily dependent on the service provider cloud computing and the commitment of suppliers to with users.
As available: does the cloud service has been "suspended" by surprise, so users can not access the services and their data in certain time periods that affect the?
Loss of data: some data storage service online in the cloud suddenly stop working or do not continue to provide services, so users should back up their data from the "cloud" on personal computer. This will take time. Even in some cases, for some reason or another, the user data is lost and can not be recovered.
Mobility of data and ownership: A question arises, whether the user can divide sharing data from cloud services to other cloud services? Or in the case did not want to continue using the service cable from the cloud, whether users can back up their data all from the cloud? And how users can be sure that the cloud service will not destroy all of their data in the event of service outages.
The security: The issue focused data on the "cloud cloud "is the effective way to enhance security, but on the other hand is also the concern of the people using the services of cloud computing. Because once the clouds hacked or compromised, all data to be acquired.
The law: Currently the provisions on the use of cloud computing technology is not international law and any country law specifies snakes. However, the provisions on safety and security information ... has been defined in the relevant legal documents.
Now with the above advantages of cloud computing are the main technology trends today are many information technology investments and many businesses have been organized and individual users to use.
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