 
            
            
            
            
                10 Jun
                
                    2016
                
            
            
                10 Jun
                
                '16
                
            
            
            
        
    
                4:26 a.m.
            
        On Thursday, June 9, 2016, Randy Bush <randy@psg.com> wrote:
zero interoperability, and no viable migration paths, it's a Forklift Upgrade(tm).
You say that with such confidence! Doesn't make it true.
https://archive.psg.com/120206.nanog-v4-life-extension.pdf
randy, who works for the first isp to deploy ipv6 to customers
The PDF is not good advice IMHO. First is seldom as good as the last.