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In fact in the dev blog of Youtube they showed it wasn't true. Can't find the post right now.
by erelde 10y ago
In fact in the dev blog of Youtube they showed it wasn't true. Can't find the post right now.
- zzzcpan 10y agoYou are incorrect, TLS overhead is too big to say something like that. Also on large requests, that you have in streaming, overhead of HTTP/1.1 protocol itself becomes negligible.
- Matthias247 10y agoAs someone who is implementing HTTP/2 I would also say that HTTP/2 has no advantage for high-bandwidth requests, e.g. video streaming. I would rather guess that even the unencrypted HTTP/2 variant might be slower than HTTP/1.1 in this scenario, since you now can't directly write into a TCP stream but have to interleave it with multiplexing info and have two flow control mechanisms working on top of each other. HTTP/2 will be mainly a large win for short requests, where it can avoid the large overhead of creating additional TCP connections and make header exchange more efficient.