G.988 is a stand-alone OMCI recommendation and supersedes G.984.4 except for GPON specifics that are not defined in G.988. Future work on the PON management model is expected to appear only in the GPON space.
G.988 stands as a standalone OMCI directive, supplanting G.984.4, with the notable exception of GPON-related details that are not covered by G.988. Future updates to the PON management framework will be limited to the GPON sector.