Fog Computing:An Overview

Cloud computing is a network based environment that focus on sharing computations or resources. It promises to significantly change the way we use computers and access and store our personal and business information. Also cloud computing is one of the most existing technologies due to its ability to reduce cost associated with computing while increasing flexibility and scalability for computer process. With these new computing and communication paradigms arise new data security challenges. Existing data protection mechanisms such as encryption have failed in preventing data theft attacks, especially those perpetrated by an inside to the cloud provider. To overcome the problem of security we introduce the new technique called Fog computing. Fog computing or fog networking is an extension to cloud computing and the reliability of the networks of devices. It combines the reliability requirements of grid and cloud paradigms with the reliability requirements of networks of sensor and actuators. Fog computing platform is feasible. In this paper we will overcome the limitations of cloud computing and will replace it with the new computing model i.e. fog computing.