simgrid::s4u::Actor::create("pinger", simgrid::s4u::Host::by_name("Tremblay"), pinger, mb1, mb2);
simgrid::s4u::Actor::create("ponger", simgrid::s4u::Host::by_name("Jupiter"), ponger, mb2, mb1);
simgrid::s4u::Actor::create("pinger", simgrid::s4u::Host::by_name("Tremblay"), pinger, mb1, mb2);
simgrid::s4u::Actor::create("ponger", simgrid::s4u::Host::by_name("Jupiter"), ponger, mb2, mb1);