Basics

Question 1

Things to take care of

Answer 1

1. Why
2. Functional requirements
3. Non-functional requirements (High availability, Low latency, Telemetry, Fault tolerance, Scalability)
4. Capacity planning (Traffic estimates, Storage estimates, Bandwidth estimates, Memory)
5. APIs
6. DB design
7. Components
8. Data partitioning
9. Caching
10. Load balancer
11. Funging / DB cleanup
12. Security & permissions

Question 2

Approaches

Answer 2

1. Monoliths
2. Micro-kernel
3. Message based architecture
4. Microservices
5. Reactive & Choreographed systems

Question 3

UML

Answer 3

Unified Modelling Language

Question 4

MVC

Answer 4

Model View Controller