It’s totally worth it. Erlang (Erlang/OTP really, which is what most people mean when they say “Erlang has X”) does out of the box a lot of things we would have had to either build from scratch or attempt to piece together existing libraries to do. Its dynamic type system and pattern matching (ala Haskelland [...]

Designing any scalable web architecture would be incomplete without investigating “load balancers”.  There used to be a time when selecting and installing load balancers was an art by itself. Not anymore. A lot of organizations today, use Apache web servers as a proxy server (and also as a load balancer) for the backend application clusters. [...]