Advantage And Disadvantages Of Cloud Computing

This literature survey is about cloud computing that emphasizes its advantages and disadvantages, its security, types of cloud services and strategies on implementing cloud computing.

2.1) Advantages and disadvantages of cloud computing

Cloud computing can be considered as one beneficial tool. However, no matter how perfect every technology is, it always comes with both advantages and disadvantages.

2.1.1) Advantages of cloud computing

These are some advantages of cloud computing:

2.1.1.1) COST

With cloud computing, (Romero, 2012) mentioned that it helps to ieither increase or decrease the hardware or software usage; but importantly, it helps reducing the capital expenses (L.Grossman, 2009). Miller (2009) suggest that instead of investing in

Aljabre (2012) assumed that to use cloud computing, a constant strong and fast speed Internet connection is needed, without it, anything in the cloud could not be accessed. This can be considered as one of the important requirement in adopting cloud computing.

Depending on web-based applications, (Miller, 2009) if the users are unable to continue their work due to no access to the Internet or the Internet speed is low; they will think that using this cloud computing is problematic as they carelessly did not save it in their smart devices. In addition, even if the connection is strong and fast, any web-based applications can sometimes be slower to access depending on the data layout and sizes.

2.1.2.2) FEATURES

Cloud computing web-based has been said more advanced but many web-based applications are not fully featured as the desktop applications, hence, it will restrict the users to use any types, structures, or layout even though the basics are similar (Miller, 2009). Furthermore, it is cited by (Aljabre, 2012) that cloud computing seems to have limited features in application, which can be compared on doing presentation in Google docs and Microsoft Power

Moreover, it is also possible that a conflict between personal protection and legal system data to happen, at any place in the cloud provider (Fortinova, 2013).

2.2) Security of cloud computing

Generally, when the security word comes to be the topic it means, the safety of institutions or organizations against the cyber criminal and in simpler terms, free from any vulnerabilities and risks. It has been said that cloud computing is one recent innovation that opens a lot of opportunities for the people up to their conveniences, nonetheless, it comes with a lot of issues in the computer world; the fundamental question is “how secure is cloud computing?” and the answer can be one incredible discussion (Davenport, 2012).

In any institution and organization, having web-based applications run in the network server, it will always has the potential of being attack. This is the most important for any institution and organization to worry about: the data protection, as storing the data in the cloud will pose some risks of exposing the private and confidential data to the other users or hijackers to be exact. (Jamil & Zaki, 2011). This data protection requires trust to be put into the vendors, to make sure if is safe with the Service Level Agreements (SLAs) (Tout, Sverdlik, & Lawver,