for(I iter = first; iter != last; iter++) {
Comm& comm = **iter;
if (comm.state_ == inited)
comm.start();
xbt_assert(comm.state_ == started);
for(I iter = first; iter != last; iter++) {
Comm& comm = **iter;
if (comm.state_ == inited)
comm.start();
xbt_assert(comm.state_ == started);