typedef simgrid::surf::Cpu surf_Cpu;
typedef simgrid::surf::NetCard surf_NetCard;
typedef simgrid::surf::As surf_As;
typedef simgrid::surf::Link Link;
typedef simgrid::surf::Cpu surf_Cpu;
typedef simgrid::surf::NetCard surf_NetCard;
typedef simgrid::surf::As surf_As;
typedef simgrid::surf::Link Link;