A list of all 5G related specs (incl. core network and system aspects) is provided in 3GPP TR 21.205 or use this URL on the 3GPP website.
This platform is for knowledge sharing on Network functions virtualization (NFV), which is an initiative to virtualize the network services that are now being carried out by proprietary, dedicated hardware. If successful, NFV will decrease the amount of proprietary hardware that's needed to launch and operate network services.