Horses for courses. Is anyone suggesting QUIC for gigantic bulk transfers? TCP isn’t great for latency-sensitive small transfers so we will have QUIC. QUIC will not be perfect for everything, like TCP is not perfect for everything.
Anyone who's looking to replace HTTP/1.1 and HTTP/2 with HTTP/3? AFAIK QUIC is completely integral to that, in order to avoid this issue you'll need a mixed deployment of HTTP/3 and an older version of the standard.
Right now, HTTP/1.x is 23% of traffic, HTTP/2 is 75%, and HTTP/3 is just 2%. Since this is about overall traffic (visible to Cloudflare), big sites like Google and Facebook dominate. All that HTTP/3 traffic is probably Chrome users watching YouTube.
Despite Google meddling with the standards, "HTTP/3" isn't HTTP.
Please let that misconception die. I’m not at all fond of Google, but HTTP/3 is not a Google thing: Google is just one (admittedly significant) party involved in making a thing that lots of parties want and have worked together to make. https://news.ycombinator.com/item?id=25286488 is a relevant comment I wrote a couple of months ago.
So,
a) what parties? b) what exactly did they contribute?
Look, yeah, it's a good thing that standards still exist and Google has to play social engineering games instead of suddenly dropping this stuff on us as a fait accompli.
But let's not pretend like Google doesn't own the Internet; it'll save us grief and tears in the future if we see things clearly as they are.
Look, I wanted something like QUIC before they produced it, because HTTP/2 was better than HTTP/1.1 in most ways, but had the critical TCP HOLB problem that makes it markedly worse than HTTP/1.1 in some situations—and something like QUIC is the only way of fixing that, since the SCTP approach is no longer socially viable. (And before that, I had long wanted something like HTTP/2, because the limitations of HTTP/1.1 were sometimes rather frustrating. —Though I must confess that I wasn’t immediately taken with SPDY and the particular way Google pushed it initially.)
Google doesn’t own the internet. Let it go. Yes, they have an unhealthily large influence on consumer matters—but also nowhere near as large in infrastructural. Google were the ones to advance the initial SPDY and QUIC proposals because their position as massive server operators and manufacturers of a popular browser meant that they were simply the company best-suited to making such initial development (and sure, it served their interests well too).
Is there any media transfer protocol based on QUIC?
This is not dissimilar from SRT.
We advertise the following alt-svc for most devices:
> h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
HTTP/3 (over IETF QUIC) is still not as widely deployed due to lesser client support, but that's growing as both Chrome[1], Firefox and Apple (in iOS Safari, when enabled) adopt it and the latest drafts.
[1]: https://blog.chromium.org/2020/10/chrome-is-deploying-http3-...