I think that's pretty subjective. Everything I read says ipv6 is faster. This comes from someone not doing any v6 in practice and only reads articles and reports.
On Mon, Dec 1, 2025, 4:44 PM Bryan Fields via NANOG <[email protected]> wrote: > On 12/1/25 14:22, Jared Mauch via NANOG wrote: > > > I find myself having to tether off their networks when I’m on IPv4 only > > networks to access things like my hypervisors and other assets that are > > IPv6-only because they have superior networking these days. > > While I'll agree v6 is easy and should be deployed I have to take issue > with > the current as-built being superior. > > At least once or twice a month I'm downloading something and will find the > IPv4 to transfer significantly faster. Case in point, I downloaded the > proxmox iso yesterday to a colo server with 50g uplinks. It loafed at 2.4 > mbytes/s using default wget, which of course preferred ipv6. Adding -4 to > wget made that shoot up to 80 mbytes/s. > > This is ipv6 behavior I've seen time and time again. I'm unsure where > problems like these lie in the network, other than it's not mine or my > peers. > I've seen the same issues with v6 paths to the same server bounce around > the > west coast and back, whilst IPv4 is 6 hops and 12 ms away. > > This is exactly the sort of thing that holds IPv6 back by giving it a bad > name. > -- > Bryan Fields > > 727-409-1194 - Voice > http://bryanfields.net > _______________________________________________ > NANOG mailing list > > https://lists.nanog.org/archives/list/[email protected]/message/APA2YIX47NF7U65G2HIBAPHT3X6EWRIG/ _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/R4OB22ORLKNKFCIHLERXH4PQEUPSQXN7/
