By: Sarvesh Singh
(19BCA1314)
Cloud Computing
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Linux worsheets of chandigarh university bca
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2019/2020
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By: Sarvesh Singh
(19BCA1314)
Cloud Computing
Overview
● What is the cloud computing? ● History of Mobile Computing ● Service Models ● Deployment Models ● Architecture ● Security ● Cloud Clients ● Issues ●Why its important?
What is Cloud Computing?
●
Allows users to deal
with the software
without having the
hardware.
●
Everything is done by
remote, nothing is
saved locally.
Characteristics
● Empowerment ● Agility ● API ● Cost ● Device and location independence ● Visualization ● (^) Multi-tenancy ● Reliability ● Scalability and Elasticity ● Security ● Maintenance
Service Models
● Infrastructure as a Service (IaaS)
- (^) Basic, service users maintain software ● Platform as a Service (PaaS)
- (^) Users are given software and hardware automatically ● Software as a Service (SaaS)
- (^) All software and hardware is transparent
- (^) User only knows their own access point
Deployment Models
● Public cloud
- (^) Done by service providers ● Community cloud
- (^) organizations from a specific community with common concerns ● Private cloud
- (^) operated solely for a single organization ● Hybrid cloud
- (^) composition of two or more clouds (private, community or public)
Cloud Engineering
● The application of engineering disciplines to cloud computing ● High level concerns
- (^) Commercialization
- (^) Standardization ● Governance in
- (^) Conceiving
- (^) Developing
- (^) Operating
- (^) maintaining
Security and privacy
●
Data protection
●
Physical Control
●
Identity management
●
Physical and personnel security
●
Availability
●
Application security
●
Privacy
●
Legal issues
Other Issues
● Abuse
- (^) a banking trojan illegally used the popular Amazon service as a command and control channel that issued software updates and malicious instructions to PCs that were infected by the malware ● (^) Open source
- (^) provided the foundation for many cloud computing implementations ● (^) Open standards
- (^) Some vendors have adopted others' APIs and there are a number of open standards under development, with a view to delivering interoperability and portability ● (^) Sustainability
- (^) often assumed to be a form of "green computing", there is as of yet no published study to substantiate this assumption
Cloud Clients
●
Google Chromebook
●
Web browsers
●