CloudMakers needs to manage some old software solutions already developed before this cloud experience. The migration in the cloud should be transparent, because there is not a specific activity for the customer. They need to recreate the same deployment environment for three-tier web applications to minimize the impact of the migration.
A frontend web server and a backend relational database make up the infrastructure for a typical three-tier, data-centric application. It was a common solution back in the last decade (and in some cases, a common solution today). This is due to some facts, which are mentioned here:
The lack of affordable and performing alternatives to a relational database brought us to the typical "database-first" approach, best supported by tools that "scaffold" the database and automatically build the pages for CRUD operations.
There was no culture for scalability, as all invocations were synchronous. So, one of the main topics was the correct sizing of the...