Why do we need Cloud Computing?
Datacenter in the past
Virtualization
- High upfront cost
- Monthly expense even if not using
- Difficult Scaling
- Maintenance
| Virtual Machine | Virtual Machine | Virtual Machine |
| Application | Application | Application |
| Operating System | Operating System | Operating system hardware |
| Hardware (CPU, Memory, Disk) | Hardware (CPU, Memory, Disk) | Hardware (CPU, Memory, Disk) |
| Hypervisor
Hardware (CPU, Memory, Disk) |
||
Introduction Cloud Computing
- Pay only what you use
- No plant maintenance
- Scaling
- Pay only what you use
- No Maintenance
- Scaling – Expand storage or compute power
What is Cloud Computing?
- Cloud computing means Internet-based Computing
- Renting IT Resources
- So, in simple terms, Cloud computing is on-demand resources delivered to you over the internet.
- Cloud Providers – Microsoft, AWS, Google
- Example – Gmail, Netflix, Dropbox
- Same resources shared by multiple clients
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