IPv6 deployment is 13 years behind where it should have been. If you think disabling IPv6 is ever the correct solution to a problem then you are part of the problem. If you ask how to disable IPv6 you can expect a downvote from me. If you suggest disabling IPv6 as a solution you can expect a downvote from me.
Applying a logistic growth model to the numbers published by Google predicts that 2018 Sep 1 will be the first day Google see more than 50% IPv6 traffic and 2019 Jan 18 will be the last day Google see more than 50% IPv4 traffic. During the time between those two dates the numbers will be fluctuating with more than 50% IPv4 traffic on weekdays and more than 50% IPv6 traffic during weekends and holidays.
Should you ever want to give me remote access to a machine, my ssh public key is:
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDM1Ot12ThbTcPOGpfh7AiRqp3P4BMm3DNo4mDg7gDFPwCmM9rKRHTH0fBVSqkSGlXm84q29bckDukg7vfqkbTpbkP3e2YmTkP6p1J2SoX2QMUnBRRgL9It/ZiAfA2I4QzUrcywVvokO1F2DqcRLy5e5wKTUFfvIm6D2QfBmGbnW2Kkpn16hQyLT1ClXjFC1qXUhazePv0cAtWUCUGjRcLr/ipOphS7eOB46cGhYqtbMkKx0t93ZG4f6jM0o32cYy3RqprpZpTmCeG1gDyG+IlSLBYXYggr72iwTKsTZ9pMDTCBQ8Pb7l317TPOcJzTtDxnpgpGE3x4Vu/Ww+zhsIeT kasperd 2014 May 24
Sometimes I wonder if this xkcd comic might actually be inspired by StackExchange.
I am currently employed by Google, but any views I express on this site are my own, not those of Google. Should you need support for a Google product, I recommend you take a look on https://support.google.com/ which has information about a lot more Google products than those I know about.