Dear Colleagues: How dark is the IPv6 Internet? Let's find out. During the IESG/IAOC Plenary at IETF 71, we are going to turn off IPv4 support on the IETF network for 30 to 60 minutes. We will encourage the audience to use the Internet and determine which services that they have come to take for granted remain available. If you are from a service provider, we encourage you to make your service a bright spot on the IPv6 Internet. To facilitate this experiment, a URL with instructions on how to get IPv6 running on Windows, Mac OS X, Linux, and so on. Some information will also be available for a 4-to-6 tunnel. We will ask everyone to list things that work and things that do not. The results will be part of the proceedings for the plenary session. We will make more information about the structuring of this activity over the next few weeks. Please do whatever you can to make ready ... Russ Housley IETF Chair _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf