from looping, because "new" information that is already known is ignored and
not forwarded any further. However, since information can also be deleted
there's the possibility of a looping sequence of add/delete messages. This is
from looping, because "new" information that is already known is ignored and
not forwarded any further. However, since information can also be deleted
there's the possibility of a looping sequence of add/delete messages. This is