It would be nice, if the documentation would contain a high level overview of the networking features of RHV. This might fit into the RHV "Planning and Prerequisites Guide" or the RHV "Technical Reference"
This topic can be seen here: https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/technical_reference/chap-network#conc-overview-of-networking-in-rhv