What is the difference between broadband and VHCN networks?

Broadband access is a term which refers to high-speed internet access with the exchange of big data between users and networks. There are several categories of broadband access (basic, fast, ultra-fast, gigabit connectivity) that are linked to achievable access speeds, i.e. different network technologies.  
VHCN networks are very high capacity networks providing the ultra-fast broadband access and/or gigabit connectivity.