That study is about using options on the network today, not really about creating a standard for the options that would handle the address space issue with the

That study is about using options on the network today, not really about creating a standard for the options that would handle the address space issue with the knowledge that support would roll out over time. Any solution will involve some changes to network infrastructure. If they had simply added some bytes to the address and not tried to tackle every other perceived wrong with IPv4, we wouldn't be talking about this exact same problem 17 years after IPv6 was introduced.