akmod vs. kmod

Hi, I've noticed that in livna, there are two kernel modules available for nvidia: akmod-nvidia and kmod-nvidia. Are they exclusive of each other (iow, only one should be installed on a system)? My understanding is that akmods are compiled whenever any new kernel is installed. Is that correct? Are there instructions on how to use akmods? (ie. when to update kernels and when to reboot) This is a livna-specific question, but I'm assuming that because of the fusion, these questions can be asked here, and there doesn't seem to be a "users" list, so .... -- Richi Plana