On 21 Feb 2013, at 02:46, Carlos M. martinez <carlosm3...@gmail.com<mailto:carlosm3...@gmail.com>> wrote:
Wasn't the 'evil bit' able to hold the value 2 ? Use all evil bits for IP addresses and we'll soon have no need for IPv6. Geoff Huston and I wrote a draft to use the evil bit to indicate the presence of IPv4 NATs. It could be used as a tie-breaker for Happy Eyeballs. It's expired, though. <http://tools.ietf.org/html/draft-bellis-behave-natpresent-00> Ray
