inkslinger77 writes "A significant stumbling block to IPv6 adoption may be IPv4 loyalists who are keen to keep the old protocol in preference to the 'new improved' version, according to a Computerworld Australia article. The article covers the views of Cisco's senior technical leader for IPv6 technologies, Tony Hain and Geoff Huston, a senior Internet research scientist from Asia Pacific Network Information Centre (Apnic)." From the article: "Go to your favourite venture capitalist and say 'I want to be an ISP'. By the time he stops laughing and [finds you want to run] IPv6 - the discussion gets terminated. No one wants to hear this. IPv6 is well ahead of adoption in this market so everyone is deferring. No one is running IPv6, because there is no business case for it ... if we really wanted to leave a legacy to our children we'd review the crap we have today which is pretty ghastly ..."