The Amazon EC2 service comes under the compute domain and it provides services that help to compute workloads. Amazon EC2 web interface is used to reduce the expensive physical servers by creating virtual machines. Also, they help in managing diﬀerent features of the virtual servers such as security, ports, and storage. Amazon EC2 is highly preferable while creating a virtual server within a few minutes with just a few clicks according to the user’s operating system conveniently. It oﬀers resizable compute capacity in the cloud. This helps a lot to focus more on the project rather than the server maintenance.
Amazon S3 is categorized under storage domain that provides data storage over the Internet services. Primarily, S3 stores data over the cloud in the form of objects. Amazon S3 stores the data with high security because of its improved infrastructure. The information is distributed over diﬀerent physical regions and has a high-quality integration. This prevents the data from getting lost and helps to retrieve stored data irrespective of time and space via the Internet. Amazon S3 is highly available so that users can access their data just by one click with minimum or zero retrieving time.
Amazon RDS comes under the Database domain of Amazon Web Services and is used to handle database related workloads. The RDS helps the users to design and manage the relational database in the cloud which stores the complex data of the infrastructure. Earlier RDs used to support MySQL and now it also supports Oracle, Microsoft SQL, and MariaDB. It reduces the operational costs and leverages the database server from maintenance and support.