There is nothing definitive yet. While httpredir is unmaintained, when it works, its reliability and performance are unmatched by deb.debian.org. Using deb.debi

There is nothing definitive yet. While httpredir is unmaintained, when it works, its reliability and performance are unmatched by deb.debian.org. Using deb.debian.org, I can get sometimes 100kb/s on a 1G connection. And it's not unusual to get a 404 from time to time.