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by lxgr
255 days ago
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> you can get past HOL blocking by having multiple TCP streams. Its super cheap, cheaper than QUIC And also super inefficient, since it duplicates the TLS handshake across streams and uses more resources in the OS and middleboxes (like them or hate them, they're a thing that might throttle you if you go too crazy with connection-level parallelism). That's on top of very poor fairness at bottlenecks (which is per TCP stream unless there's separate traffic policing). |
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Depends on your usecase of course. if its something thats only around for a minute, then yeah, but over an hour, makes no difference at all.
QUIC eats more CPU per MB of data than plain TCP/TLS. but that might be solved by more modern offload/kernel optimisations