  In this work we consider the QCD parton saturation models to describe soft
interactions at the high energy limit. The total and elastic cross sections as
well as the elastic slope parameter are obtained for proton-proton and
pion-proton collisions and compared to recent experimental results. The
analyses are done within the color dipole formalism taking into account
saturation models which have been tested against DIS data. The main point is
that the match between soft and hard interaction occurs in the saturation
region which can be described by high density QCD approaches. Discussion is
performed on the main theoretical uncertainties associated with calculations.
