> application server that synchronized state among instances Huge sessions that move frequently (even if the original developers understand this and are discip

> application server that synchronized state among instances Huge sessions that move frequently (even if the original developers understand this and are disciplined enough, the juniors that continue development of the app are not, so the session size grows). This eats all the available memory and is slow. So it's better to go if not completely stateless then at least restrict the session to a viable minimum.