Fog Computing vs. Cloud Computing: What’s the Difference?

What is fog computing?

It is an architecture that extends services offered by the cloud to edge devices. Fog computing is seen as the new cloud and is believed to have taken over, but it is just an extension or an evolution of the cloud. Fog computing allows for the distribution of critical core functions like storage, communication, computer, control, decision making and application services closer to the origination of data.
It is a new distributed architecture, one that spans the continuum between the cloud and everything else. It makes fog computing, a common sense architecture and a necessary one for scenarios where latency, privacy, and other data-intensive issues are a cause for concern.
It facilitates the operation of computer and networking service. Fog computing acts as a jumping-off point for edge computing. It is a standard that defines how edge computing should work. Fog computing minimizes the latency by analyzing the data close to where it is. It reduces traffic from the core network.
Traditional cloud computing models do not meet these requirements. The traffic from all the devices outreaches the bandwidth limit. The emergence of cloud computing is because of the evolution of IoT devices, and cloud is not able to keep up with the pace.
In simple terms, fog computing is cloud computing plus Internet of Things.

What is Cloud computing?

Traditional phones didn’t have enough built-in space to store the information and access various applications. It is because of cloud computing technology that these phones got “smart” as it transmits the data and gives on-demand availability of the resources and services. But the present cloud model lags in dealing with the evolved IoT.
The fundamental issue being the latency and lesser security of data. Cloud computing is a centralized model of computer science, which makes the data and services available globally, making it a bit of a slow approach. It lags in providing with resources where there is extensive network involved.

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