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AWScloud~10 mins

Why cloud over on-premises in AWS - Visual Breakdown

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Process Flow - Why cloud over on-premises
Start: Need IT resources
Decision: On-Premises or Cloud?
On-Premises
Buy hardware
Setup & maintain
Fixed capacity
Higher upfront cost
Long setup time
You manage all
End
This flow shows the choice between on-premises and cloud, highlighting differences in setup, cost, scaling, and management.
Execution Sample
AWS
Decision: Choose IT resource type
If On-Premises:
  Buy hardware
  Setup & maintain
  Fixed capacity
Else if Cloud:
  Use provider hardware
  Pay as you go
  Scale easily
This pseudo-code shows the decision steps and actions for choosing on-premises or cloud resources.
Process Table
StepDecision PointAction TakenResulting State
1Need IT resourcesEvaluate optionsReady to choose
2Choose On-PremisesBuy hardwareHardware owned, upfront cost
3On-Premises setupSetup & maintainYou manage infrastructure
4On-Premises capacityFixed capacityScaling limited, slower
5EndUse resourcesStable but less flexible
6Choose CloudUse provider hardwareNo upfront hardware cost
7Cloud setupFast deploymentReady quickly
8Cloud paymentPay as you goCosts match usage
9Cloud scalingScale up/down easilyFlexible capacity
10EndUse resourcesManaged by provider, flexible
💡 Decision ends after choosing and setting up either on-premises or cloud resources.
Status Tracker
VariableStartAfter On-PremisesAfter Cloud
Cost0High upfrontLow upfront, pay per use
Setup Time0LongShort
ManagementNoneYou manageProvider manages
Capacity0FixedFlexible
Key Moments - 3 Insights
Why does cloud have lower upfront cost compared to on-premises?
Because in the cloud you use provider hardware and pay as you go, so you don't buy expensive hardware upfront (see execution_table steps 2 and 6).
How does scaling differ between on-premises and cloud?
On-premises has fixed capacity because you own hardware, so scaling is slower (step 4). Cloud allows easy scaling up or down since resources are virtual and managed by the provider (step 9).
Who manages the infrastructure in cloud vs on-premises?
In on-premises, you manage all hardware and software (step 3). In cloud, the provider manages infrastructure, reducing your management burden (step 10).
Visual Quiz - 3 Questions
Test your understanding
Look at the execution_table, what is the cost state after choosing cloud?
ALow upfront, pay per use
BHigh upfront cost
CNo cost at all
DFixed monthly fee
💡 Hint
Check variable_tracker row 'Cost' after 'After Cloud' column and execution_table step 6.
At which step does the cloud option allow fast deployment?
AStep 3
BStep 4
CStep 7
DStep 2
💡 Hint
Look at execution_table step 7 under 'Cloud setup'.
If you want to manage your own hardware, which step in the table shows this?
AStep 10
BStep 3
CStep 6
DStep 9
💡 Hint
Refer to execution_table step 3 about management.
Concept Snapshot
Why choose cloud over on-premises?
- Cloud uses provider hardware, no upfront buy
- Pay as you go, costs match usage
- Fast setup and easy scaling
- Provider manages infrastructure
- On-premises requires buying and managing hardware
- Fixed capacity and higher upfront cost
Full Transcript
This visual execution shows the decision process between on-premises and cloud IT resources. Starting with the need for resources, you decide either on-premises or cloud. On-premises means buying hardware, setting it up yourself, fixed capacity, and higher upfront cost. Cloud means using provider hardware, paying as you go, fast deployment, flexible scaling, and provider management. Variables like cost, setup time, management, and capacity change accordingly. Key moments clarify why cloud is cheaper upfront, how scaling differs, and who manages infrastructure. The quiz tests understanding of cost, deployment speed, and management roles.