set req.backend_hint = c82_tcdnes.backend();
# Changing backend for Spanish users
if (req.http.geo_country_code ~ "ES") {
set req.backend_hint = c82_tcdnes.backend();
# Changing backend for American users
if (req.http.geo_country_code ~ "US") {
set req.backend_hint = c82_tcdnus.backend();