- sg4::Actor::create("sender", sg4::Host::by_name("Tremblay"), sender, mbox);
- sg4::Actor::create("receiver", sg4::Host::by_name("Jupiter"), receiver, mbox);
+ sg4::Actor::create("sender", e.host_by_name("Tremblay"), sender, mbox);
+ sg4::Actor::create("receiver", e.host_by_name("Jupiter"), receiver, mbox);