Imagine you are going to write an API for a mobile telephone network operator to sell charges to customers. What platform would you use? (Specially programming language and Database). I would be grateful if you could explain about your reasons.
I would suggest any programming that you are comfortable with and use a NoSQL Database.<p>You can use Erlang because is not only about scalability but mostly about:<p>reliability<p>soft real-time characteristics (enabled by soft real-time GC which is possible because immutability [no cycles] and share nothing and so)<p>performance in concurrent tasks (cheap task switch, cheap process spawn, actors model, ...)<p>scalability - debatable in current state , but rapidly evolving