- can someone kindly give us a breakdown of what exactly goes into building a chat application? - what kind of system design components are needed - how is ne

- can someone kindly give us a breakdown of what exactly goes into building a chat application? - what kind of system design components are needed - how is networking handled at scale? do you start the project thinking about 100 users or 10000 users or more? - how are the components derived UMLwise - is there a website you are aware of that does the requirements breakdown of projects like these?