When the offered load of a dATa communicATion pATh exceeds the capacity.

In addition suitable contents:
[ ad ] [ AT ] [ ca ] [ capacity ] [ cAT ] [ ci ] [ co ] [ com ] [ dATa ] [ ed ] [ ee ] [ er ] [ h ] [ io ] [ it ] [ load ] [ mm ] [ mu ] [ ni ] [ om ] [ pa ] [ pATh ] [ re ] [ th ]