COST07-BP02 Implement Regions based on cost
Resource pricing can be different in each Region. Factoring in Region cost helps ensure that you pay the lowest overall price for this workload.
Level of risk exposed if this best practice is not established: Medium
Implementation guidance
When you architect your solutions, a best practice is to seek to place computing resources closer to users to provide lower latency and strong data sovereignty. For global audiences, you should use multiple locations to meet these needs. You should select the geographic location that minimizes your costs.
The AWS Cloud infrastructure is built around Regions and Availability Zones. A Region is a physical location in the world where we have multiple Availability Zones. Availability Zones consist of one or more discrete data centers, each with redundant power, networking, and connectivity, housed in separate facilities.
Each AWS Region operates within local market conditions, and resource pricing is
different in each Region. Choose a specific Region to operate a component of or your entire
solution so that you can run at the lowest possible price globally. You can use the AWS Pricing Calculator
Implementation steps
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Review Region pricing: Analyze the workload costs in the current Region. Starting with the highest costs by service and usage type, calculate the costs in other Regions that are available. If the forecasted saving outweighs the cost of moving the component or workload, migrate to the new Region.
Resources
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