I bet if you stress test a server via http and via https, the CPU time won't be ... | Hacker News

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brlewis on Nov 1, 2019 | parent | context | favorite | on: Encrypted web traffic now exceeds 90%

I bet if you stress test a server via http and via https, the CPU time won't be as different as you might think.

The main efficiency lost is that you can no longer have big shared cache networks for everybody, but those were a security risk anyway.

basilgohar on Nov 1, 2019 [–]

The somewhat surprising main problem is not CPU load but the additional back-and-forth TLS requires to establish the handshakes. One of the main goals/draws of HTTPS/3 is eliminating these extra steps.

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