Developers admit biggest mistake on IPv6

IETF leaders said in a roundtable this week that they should have done a better job of ensuring that IPv6 devices would be able to communicate with legacy IPv4 devices. Calling it “the single critical failure” in developing the new version of the protocol, the leaders said it’s clear now that a lack of backwards-compatibility is hampering adoption. See Carolyn Duffy Marsan’s story for full details.