Backup of Evaluation

Fulfilling requirements

The last stage of a system design interview is to evaluate the design as per the non-functional requirements mentioned initially. Let’s look at each metric one by one.

Availability

Our system needs to be available all the time, making availability one of the most important non-functional requirements. As a security measure, to protect the system against DoS attacks, we will be using rate limiters between the client and web servers to limit each user’s resource allocation. It will ensure a good and smooth traffic influx and mitigate the exploitation of system resources. Once the system has imposed limitations on the client end, it needs to ensure it utilizes the resources ...