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The Well-Architected Tool

In the AWS management console under “Management and Governance” is the AWS Well-Architected Tool, as shown in Figure 1-14. It provides a framework for documenting your workloads against AWS best practices as defined in the well-architected framework documentation. In each of the five pillars, there are many questions to consider before deploying your application. As you consider each question, you can enter milestones to mark changes in your architecture as it moves through its deployment and build lifecycle. Working with the well-architected tool, you will receive tips and guidance on how to follow the best practices recommended by AWS while carrying out a full architectural review of an actual workload that you are planning to deploy at AWS. It is well worth the time spent.

FIGURE 1-14

Figure 1-14 Using the well-architected framework tool

Before the review begins, you will select the AWS region where your application will be hosted. The first step is to define the workload and choose the industry type and whether the application is in a production or preproduction environment. During the review process, the well-architected tool will identify potential areas of medium and high risk based on the answers to the questions posed during the workload review. The five pillars of design success will also be included in the plan that is presented showing the recommended improvements to your initial design decisions. The plan as shown in Figure 1-15 will also define both high and medium risks, with recommended improvements to consider implementing.

FIGURE 1-15

Figure 1-15 Recommended improvements using the well-architected tool review

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