とにかくHTTP3をライトニングに話す / Anyway, I'll talk to Lightning about HTTP3.

by shiro seike

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HTTP 3 PHPerKaigi 2 0 24 2 0 24 . 3 . 9 @seike 4 60 1

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自己 @seike 46 0 - - @seike 46 0 - AWS Community Builder Serverless - Fusic - / 門 - / - - PHPerKaigi 20 2 0 2024 - - Fukuoka.php - Serverless Meetup Fukuoka - PHP 2023 行長 2024 2

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Agenda 1 .HTTP/ 1 HTTP/ 2 2 .HTTP/ 3 3 .QUIC 4 .PHP 3

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01 HTTP/ 1 HTTP/ 2

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HTTP/ 1 っ一 TCP 一 / TCP Wait 生っTCP Head-of-Line-Blocking 一生 5

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HTTP/ 2 っ用っTCP Head-of-Line-Blocking 一生 6

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TCP Head-of-Line-Blocking TCP 2 TCP HTTP 7

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8 HTTP/ 2 Fastly Hooman Beheshti 氏 2% 入 HTTP 1 用 :HTTP/ 2 : What no one is telling you : Fastly Hooman Beheshti

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02 HTTP/ 3

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HTTP/ 3 っHTTP/ 2 UDP QUIC 立行 HTTP/ 2 Head-of-Line-Blocking っQUIC 0 -RTT 1-RTT 立 10

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QPACK: Field Compression for HTTP/ 3 高 Header Index 高 QPACK っ QPACK 大 1 3 byte content-length -> 4 っ一 11

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03 QUIC

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QUIC っUDP TCP UDP 用高っ立高 13

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QUIC 立っ 0 -RTT 1-RTT TLS QUIC 用 1 ( 1 -RTT) 用 0 -RTT 14 用 :https://blog.cloudflare.com/even-faster-connection-establishment-with-quic- 0 -rtt-resumption

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QUIC 立っ一 ID IP 一 ID 15

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っ立一立っHead-of-Line-Blocking 一 16

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っ用 ACK 用っ 17

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04 PHP

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PHP Web っCaddy Caddy 自 HTTPS HTTP/ 3 FastCGI PHP Caddyfile 用っLiteSpeed LiteSpeed HTTP/ 3 LiteSpeed LSAPI Web API 用っNGINX NGINX 2023/5/23 Quick PHP FastCGI PHP 19