the foundation's "secret sauce", i.e.
the configuration
files that are not made public, if such thing exists. Then would come
the whole traffic balancing/caching/optimization settings, which would
greatly depend on the actual traffic a fork would have.
Strainu
If you control your own servers, vital for a fully functioning fork,
you'll eventually work out the technical details.
However, I'm afraid the "secret sauce" involves interpersonal elements,
including respecting the sensitivities of others on a global basis.
Fred