Regions and Zones

Only deploying in to one DC can cause latency and issues, should your DC burn down, you lose the application. Secondly it can increase latency.

You will want to deploy to many regions as it allows you to have minimal latency, allows for global footprint and adhere to gov regulations.

In each zone, there are Discreet clusters, so many datacenters. Each region has 3 zones.

Example would be:

us-west1 which splits into

  • us-west1-a
  • us-west1-b
  • us-west1-c

The cloud gives you:

The ability to trade capital expense for Variable expense (PAYG opposed to purchase servers upfront)

Benefits from massive economics of scale

Stop guessing capacity (Ability to scale up and down easily)

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