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CLOUD COMPUTING - Coggle Diagram
CLOUD COMPUTING
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Advantages
- Scalability
- Improve collaboration
- Cost efficient
- Environmental benefit
Characteristics
- On-Demand self service (user can provision & manage cloud services)
- Broad network access (accessible over the internet)
- Resource pooling (multi tenant modes)
- Rapid elasiticity (c. resources can scale quickly)
- Measured service ( pay-per-use model)
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Cloud service models
Infrastructure as a service (IAAS) - base
Amazon web services (AWS) rent out their storage & computing capacities on their servers
Platform as a service (PAAS) - mid
Microsoft Azure rent predefined platforms for software development
Software as a service (SAAS) - top
MS 365 deliver application over the internet, through a browser- based user interface
Cloud storage keeps info on servers on the internet & the actual media on which the files are stored are transparent to the user