Cloud computing and security 01
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Transcript of Cloud computing and security 01
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Cloud Computing and security
1 : Introduction
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What is ‘The Cloud’?
The delivery of on-demand computing resources over the Internet on pay-for-use basis.-IBM
Cloud Computing refers to both the applications delivered as services over the Internet and the hardware and systems software in the datacenters that provide those services.
In simple words, cloud is Software and hardware to operate datacenters.
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Types
Public cloud: Rental Amazon EC2: Amazon datacenters Google AppEngine: AppEngine API Batch processing software: Hadoop
Private cloud: not available for rental Data Centers
Protected cloud: Academic
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Components
Application - Web application(facebook),software plus service(Gdocs) Client – [thin – mobiles (androids , i phones) / thick – browsers (firefox ,
chrome)] Infrastructure – Platform virtualization environment[Full virtualization
(Skytap)] Platform – Web application frameworks [python-Django (google app engine)] Service – payments(paypal),search(google),maps(here) Storage – drive,dropbox
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Advantages
Lower computer costs Improved performance Reduced software costs Instant software updates Improved document format compatibility Unlimited storage capacity Increased data reliability Universal document access Latest version availability Easier group collaboration Device independence
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Disadvantages
Requires a constant Internet connection Does not work well with low-speed connections Features might be limited Can be slow Stored data might not be secure Stored data can be lost
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Thank you!