  The measured data on the nuclear modification factor for pions and
reconstructed jets as well as on the high-pT elliptic flow at RHIC and LHC
energies are compared to results from a linear pQCD and a highly non-linear
hybrid AdS holographic model of jet-energy loss. We find that the high-pT
ellitic flow requires to include realistic medium transverse flow fields and a
jet-medium coupling including the effects of the energy of the jet, the
temperature of the bulk medium, and non-equilibrium effects close to the phase
transition. We extend our jet-energy loss model that is coupled to
state-of-the-art hydrodynamic prescriptions to backgrounds generated by the
parton cascade BAMPS. We demonstrate that the results for the hydrodynamic and
the parton-cascade backgrounds show a remarkable similarity. Unfortunately, the
results for both the pion and a parton-jet nuclear modification factor are
insensitive to the jet-path dependence of the models considered.
