It means that you no longer have to deal with the server configuration - the servers are completely hidden from you. You just give your functions to AWS, and th

It means that you no longer have to deal with the server configuration - the servers are completely hidden from you. You just give your functions to AWS, and they run them in a black-magic-box of theirs. I've tested it at least to the extent of 100-200 rq/sec, and it holds up nice. Ultimately, there is a server somewhere, as you might expect. It's just not yours to manage/worry about.