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Cloud Computing Fundamentals · Module 3 of 10

Deployment models and regions

Public, private and hybrid clouds, plus regions and availability zones.

📖 Key ideas

  1. Public cloud is shared infrastructure run by a provider.
  2. Private cloud is dedicated to one organisation.
  3. Hybrid mixes on-premises or private with public cloud.
  4. A region is a geographic area (e.g. Mumbai ap-south-1); it has several availability zones.
  5. Choosing a nearby region lowers latency and can meet data-location rules.
💡 Real-life example: Regions are cities and availability zones are separate buildings in the same city with their own power.
RegionGeographic area with cloud data centres
Availability zoneIsolated data centre group within a region
Hybrid cloudMix of private/on-premises and public cloud
LatencyDelay before data arrives