On 02/08/2016 09:08 PM, Warren Kumari wrote: > > > On Mon, Feb 8, 2016 at 4:06 PM Fernando Gont <fgont@xxxxxxxxxxxxxxx > <mailto:fgont@xxxxxxxxxxxxxxx>> wrote: > > On 02/08/2016 08:20 PM, Phillip Hallam-Baker wrote: > > On Mon, Feb 8, 2016 at 5:39 PM, Carsten Bormann <cabo@xxxxxxx > <mailto:cabo@xxxxxxx>> wrote: > >> Ronald Bonica wrote: > >>> The words "many" and "some" don't do justice to the > conversation. > https://tools.ietf.org/html/draft-ietf-v6ops-ipv6-ehs-in-real-world-02 > provides more concrete numbers from real-world observation. > >> > >> Ah, but the result is much simpler. > >> > >> Some other real world data (Google QUIC experiments) already tell us > >> that a sizable part of the Internet (was it 7 %?) is not > reachable via > >> UDP at all. This just ups that number slightly for IPv6 and UDP > >> protocols that don't have their own segmentation. > >> > >> UDP, it was nice to have known you. > > > > Maybe what we needed all along was a better TCP that allowed data to > > be sent on the first packet. > > FWIW, TCP does allow you to send data in the SYN. > > > https://tools.ietf.org/html/rfc7413 for those who are wondering. Even pre-fast open TCP already allowed this -- however, those data can only be *consumed* once the 3WHS is complete... Cheers, -- Fernando Gont SI6 Networks e-mail: fgont@xxxxxxxxxxxxxxx PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492