These are serious concerns. An attempt to make web programming with continuations work without requiring sticky sessions is "Stateless Servlets": https://docs.

These are serious concerns. An attempt to make web programming with continuations work without requiring sticky sessions is "Stateless Servlets": https://docs.racket-lang.org/web-server/stateless.html?q=stateless#%28part._considerations%29 https://docs.racket-lang.org/web-server/stateless.html?q=sta... A stateless servlets makes it possible to serialize continuations and store them on the client/database/disk. There is no such thing as a free lunch, so that approach has pros and cons too.