I don't expect any ISP to do IPv6 today and deploy routers with a flow label bug... Those types of bugs no longer go unnoticed. IPv6-only ISPs might hit other

I don't expect any ISP to do IPv6 today and deploy routers with a flow label bug... Those types of bugs no longer go unnoticed. IPv6-only ISPs might hit other issues, though. They have to bridge to IPv4 somewhere.