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Fog Computing: Presented by

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The key takeaways are that fog computing extends cloud computing to the edge of the network by providing data, compute and application services closer to end users. It was developed to address limitations of cloud computing like high latency for real-time applications.

The main characteristics of fog computing are proximity to end-users, geographical distribution, support for mobility, edge location, real-time interactions and interoperability.

Some of the advantages of fog computing over cloud computing are more security since data stays closer to users, low latency, support for real-time applications, less bandwidth consumption and improved efficiency.

FOG COMPUTING

PRESENTED BY:
P.HEMA LATHA
16691A5D0
CSE-C
CONTENTS
• Introduction
• Need for Fog Computing
• Fog solution to cloud limitations
• Characteristics
• Advantages
• Components of Fog Architecture
• Application of Fog
• Conclusion
• References
INTRODUCTI
ON

• Fog Computing is a model that extends Cloud computing and services to


the edge of the network.
• Fog provides data, compute, storage, and application services to end-users.
• Fog screen is an exciting new projection technology that allows to
project images and video onto a screen of “dry ” fog. Creating
the illusion that the images are floating in mid-air.
NEED FOR FOG COMPUTING

• Fog Computing keeps data right where the Internet of Things needs it.
• Fog computing was developed to address applications and services that do
not fit the paradigm of the cloud.
• Overcome Limitations of cloud
FOG SOLUTION TO CLOUD LIMITATIONS

• Improved security of encrypted data as it stays closer to the end user


• Improves efficiency.
• Improves Latency.
• It does not verify whether the user was authorized or not.
• Cloud computing security does not focus on ways of secure
the data from unauthorized access.
CHARACTERISTICS

• Proximity to end-users
• Geographical distribution
• Support for mobility
• Edge location
• Real time interactions
• Interoperability
• Heterogeneity
ADVANTAGES

• More Security provided.


• Low latency
• Real time applications.
• Fog can be distinguished from Cloud by its proximity to end-users.
• Consumes less amount of band width
COMPONENTS OF FOG ARCHITECTURE
•IoT Services:
Fog Computing paradigm utilizes local computing resources locating
at the network edge instead of those residing at the cloud for processing
data collected from sensors linked to physical devices in an IoT platform.

•Orchestration Layer Includes:


• Software Agent : capable of bearing orchestration functionality and performance
requirements that could be embedded in various edge devices.
• Distributed Storage : store meta-data.
• Messaging bus : carry control messages for resource management.
• Distributed policy engine
• Abstraction Layer:
fog abstraction layer provides a generic application
programming interface (API) for monitoring resources such as
CPU, memory and network by hiding the platforms'
heterogeneity and unveiling the uniform and programmable
interface for seamless resource management and control
APPLICATIONS OF FOG

• Smart grids
• Vehicle Networks
• Smart Home
• Health Data Management
• Smart City
• Augmented reality, cognitive systems, and gaming
• Mobile Big Data Analytics
VEHICLE NETWORKS
CONCLUSION

• We have analyzed fog computing and its real time applications.


• Fog computing performs better than cloud computing.
• Fog computing will grow in helping the network paradigms that require
faster processing.
REFERENCES

• F. Bonomi, “Connected vehicles, the internet of things, and fog com-


puting,” in The Eighth ACM International Workshop on Vehicular Inter-
Networking (VANET), Las Vegas, USA, 2011.
• https://saisharansai/fog-computing-46604121?from_action=s
ave
• https://www.engpaper.com/fog-computing-2018.htm

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