Designing cloud-based architectures, carries a different approach than traditional solutions, because physical hardware and infrastructure are now treated as software. This brings many benefits, such as reusability, high cohesion, a uniform service interface, and flexible operations.

It's easy to make use of on-demand resources when they are needed to modify its attributes in a matter of minutes. We can also provision complex structures declaratively and adapt services to the demand patterns of our users. In this chapter, we will be discussing the design principles that will make the best use of AWS.