Computer Networks·IPv6 & Modern Addressing·CoreWhy IPv6 took thirty yearsIPv6 was standardised in 1998. Adoption is still incomplete.What is the main structural reason?AIPv6 is slower in practice than IPv4, so operators avoided adopting itBIPv6 equipment was unavailable until recentlyCThe two do not interoperate, so nobody benefits by moving firstDIPv6 lacks features that IPv4 providesCheck answer