Cloud Computing vs Fog Computing

Differences Between Cloud Computing vs Fog Computing

Cloud computing is the process of using remote servers or computers across the internet to perform data operations, storage and managing data instead of using a local computer or server. Cloud computing offers delivery services directly over the internet. The services provided by Cloud computing can be of any type such as storage, databases, software, applications, network, servers, etc. Fog computing is the term coined by Cisco which means the extension of services beyond cloud computing to the enterprise’s requirements. It consists of a decentralized environment for computing in which the infrastructure provides storage, applications, data, and computations. Fog Computing is also called as Fog Networking or Fogging.

Head to Head Comparison Between Cloud Computing and Fog Computing

Below is the top 7 comparison between Cloud Computing and Fog Computing:

Key Differences Between Cloud Computing and Fog Computing

Below are the most important Differences Between Cloud Computing and Fog Computing:

1. Cloud computing architecture has different components such as storage, databases, servers, networks, etc. whereas Fog computing is having all the features similar to that of cloud computing including with some extra additional features of efficient and powerful storage and performance between systems and cloud networks.

2. Cloud computing architecture system can be divided into two sections such as a front end and back end in which both will be connected in the form of the network whereas Fog computing extends cloud computing by providing the features at the edge of the network.

3. The front end section of a cloud computing is termed as the User interface where the end-users or customers use the services of the cloud computing where the back end is the cloud section of the cloud computing network whereas Fog computing has the goal of improving efficiency and to reduce the transformation of data or data operations from and to the remote networks distributed across different locations.

4. The client can access the different types of services through the front end section of the cloud computing where the user can access the services normally like a local computer but which will be accessed by connecting to a network whereas Fog computing is being supported by a large open group consortium called Open Fog Consortium which was formed in November 2015 by a group of companies such as Cisco, Dell, Microsoft, Intel, ARM, and Princeton University.

5. In cloud computing, the back end section includes the servers, different computers, storage and database systems interconnected with each other to form a cloud network distributed across different locations whereas the Fog computing processes the data in Central Server by collecting the data from different devices which were deployed at long distances or different locations far away from the central server.

6. In cloud computing, the storage space requirement is more for the clients to access the data stored by them, almost the storage space will be made available twice the data that has been stored to provide high speed access whereas Fog computing the data operations and calculations take place in the central hub of the device to reduce the data transformations from and to the central server.

7. A central server exists in cloud computing to administer or manage the different computers or servers connected with each other, their interactions and mechanisms will be controlled and managed whereas Fog computing supports the most of the devices in IoT – Internet of Things compared to the cloud computing by providing more compliance and ease of migration.

8. A middleware exists along with the central server to establish a communication protocol among multiple servers and to communicate with each other in a safe and secure manner whereas Fog Computing supports a lot of IoT applications and big data services by handling large amounts of data and various devices.

9. All the data stored in the central database server storage will be made available as back up to make it highly available in the cases of few server failures in which the process is called redundancy whereas Fog Computing has larger distribution across the geographical areas by supporting a large number of users across the network efficiently.

10. The main core component of cloud computing is Internet / Network without which the entire network collapses and there is no way of connecting to the cloud servers whereas Fog Computing has different applications ranging from an Internet of Things to Human-Machine Interactions ranging wide applications.

11. A large number of end-users can connect to the cloud servers from the remote machines using the Virtual Device Interfaces called Virtual Machines in which the concept is called Virtualization whereas Fog computing can be considered whenever a large amount of data is collected at extreme edges such as railways, ships, vehicles, and roadways, etc.

12. Cloud computing is the utilization of different services available such as storage, software development applications, servers, and databases. Cloud computing provides more accessibility to operating servers or applications easily without any limitations.

13. Fog computing mainly utilizes the local computer resources rather than accessing remote computer resources causing a decrease of latency issues and performance further making it more powerful and efficient.

14. Cloud computing services are offered based on the server applications and it allows the users from any location to access the services from different types of devices such as Computer, Mobile, and Tablet, etc.,

15. Fog computing has many benefits such as it provides greater business agility, deeper insights into security control, better privacy and less operating. It has an extra layer of an edge that supports and similar to that of cloud computing and Internet of Things applications. Fog computing mainly provides low latency in the network by providing instant response while working with the devices interconnected with each other.

Cloud Computing and Fog Computing Comparison Table

Below are the lists of points, describe the comparisons Between Cloud Computing and Fog Computing.

BASIS FOR COMPARISON	CLOUD COMPUTING	FOG COMPUTING
Latency	Cloud Computing has low latency but not compared to Fog Computing	Fog Computing has low latency in terms of network
Capacity	Cloud Computing does not provide any reduction in data while sending or transforming data	Fog Computing reduces the amount of data sent to cloud computing.
Bandwidth	Cloud computing conserves less compared with Fog Computing	Fog Computing conserves the amount of bandwidth.
Responsiveness	In Fog Computing, the response time of the system is low.	In Fog Computing, the response time of the system is high.
Security	High but less compared to Fog Computing	High Security.
Speed	Access speed is high depending on the VM connectivity	High even more compared to Cloud Computing
Data Integration	Multiple data sources can be integrated.	Multiple Data sources and devices can be integrated.

Conclusion

The main benefits that can be obtained are from Fog computing compared to cloud computing. Fog computing has low latency and provides a high response rate and has become most recommended compared to cloud computing. It supports the Internet of Things as well as compared to Cloud Computing.

In terms of large users and widely distributed networks, Fog computing is preferred and recommended to get more efficiency and high productivity.

Quiz Result
Total Questions	Correct Answers	Wrong Answers	Percentage

Differences Between Cloud Computing vs Fog Computing

Head to Head Comparison Between Cloud Computing and Fog Computing

Key Differences Between Cloud Computing and Fog Computing

Cloud Computing and Fog Computing Comparison Table

Conclusion

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