To be honest, this is not the only such case. Eve Online folks migrated part of their system from SBCL to Erlang for seemingly the same reasons [http://lambda-t

To be honest, this is not the only such case. Eve Online folks migrated part of their system from SBCL to Erlang for seemingly the same reasons [http://lambda-the-ultimate.org/node/2102 http://lambda-the-ultimate.org/node/2102]. Having said that, it is still not a language issue, since we have systems such as Termite/Gambit Scheme [http://toute.ca http://toute.ca].