Re:India is leading IPv6 migration with 61.67% adoption
by Dagger2 on Wednesday August 18, 2021 @03:47AM
(#28218628)
I've heard this claim too: apparently Facebook tested a lot of routers, and they consistently routed v6 ~500us faster than v4. v6 has no checksum, so routers don't need to recalculate it when they decrement the TTL header, and it does make sense that removing a step would help. Unfortunately my source for this is "I heard it from someone that works at Facebook".
In practice this is only a small part of final performance, so you need to do end-to-end measurements to get a proper idea of what people will experience. Both Facebook[1] and Apple[2] have done that, showing 10% faster page loads and 40% faster connection establishment respectively on v6. Even if that was solely down to routing policies, it's still a measurable difference.
In practice this is only a small part of final performance, so you need to do end-to-end measurements to get a proper idea of what people will experience. Both Facebook[1] and Apple[2] have done that, showing 10% faster page loads and 40% faster connection establishment respectively on v6. Even if that was solely down to routing policies, it's still a measurable difference.
[1] https://engineering.fb.com/2015/09/14/networking-traffic/ipv...
[2] https://www.sidn.nl/en/news-and-blogs/apple-connections-esta...