HTTP 関連 RFC ãŒå¤§é‡ã«å‡ºãŸè©±ã¨ 3 è¡Œã¾ã¨ã‚ | blog.jxck.io
Intro 2022/06/06 ~ 9 ã‚ãŸã‚Šã«ã€é•·ãã«æ¸¡ã£ã¦ç–定作æ¥ãŒè¡Œã‚ã‚Œã¦ã„㟠HTTP 関連㮠RFC ãŒå¤§é‡ã«å…¬é–‹ã•ã‚ŒãŸã€‚ RFC 9110: HTTP Semantics RFC 9111: HTTP Caching RFC 9112: HTTP/1.1 RFC 9113: HTTP/2 RFC 9114: HTTP/3 RFC 9163: Expect-CT Extension for HTTP RFC 9204: QPACK: Field Compression for HTTP/3 RFC 9205: Building Protocols with HTTP RFC 9209: The Proxy-Status HTTP Response Header Field RFC 9211: The Cache-Status HTTP Response Header Field
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インターãƒãƒƒãƒˆé–¢é€£æŠ€è¡“ã®æ¨™æº–化を手掛ã‘ã‚‹IETF（Internet Engineering Task Force）ã¯2022å¹´6月6日（米国時間）ã€é€šä¿¡ãƒ—ãƒãƒˆã‚³ãƒ«ã€ŒHTTP/3（HyperText Transport Protocol/3）ã€ã‚’「RFC 9114ã€ã¨ã—ã¦å‹§å‘Šã—ãŸã€‚HTTP/3ã¯ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆé€šä¿¡ã®å¤šãã‚’å ã‚ã‚‹Webã«ãŠã‘る通信プãƒãƒˆã‚³ãƒ«ã®æœ€æ–°ç‰ˆã§ã‚る。 最大ã®ç‰¹å¾´ã¯ã€ãƒˆãƒ©ãƒ³ã‚¹ãƒãƒ¼ãƒˆã®ãƒ—ãƒãƒˆã‚³ãƒ«ã«ã€ŒQUIC（Quick UDP Internet Connections）ã€ã‚’採用ã—ãŸç‚¹ã€‚QUICã¯2021å¹´ã«IETFã§ã€ŒRFC 9000ã€ã¨ã—ã¦å‹§å‘Šã•ã‚ŒãŸã€‚ãã®åå‰ãŒç¤ºã™ã‚ˆã†ã«ã€TCP（Transmission Control Protocol）ã§ã¯ãªãã€UDP（User Datagram Protocol）ã«åŸºã¥ãプãƒãƒˆã‚³ãƒ«ã 。TCPãŒå‚™ãˆã¦ã„ãŸå†é€åˆ¶å¾¡ã®ä»•çµ„ã¿ã‚„ã€TLS（Tr
HTTP and 5G partial draft
23. 25 Deliveryrate BDP BDP+BufSize RTT Optimal: max BW and min RTT (Kleinrock) amount in flight Optimal operating point 23 Deliveryrate BDP BDP+BufSize RTT Loss based CC (CUBIC / Reno) amount in flight Loss based congestion control in deep buffers BDP = (max BW) * (min RTT) 26 Deliveryrate BDP BDP+BufSize RTT amount in flight Est min RTT = windowed min of RTT samples Est max BW = windowed max of
HTTP/3ãŒå‡ºã‚‹ã‚‰ã—ã„ã¨ã„ã†è©±ã‚’雑ã«æ›¸ã - Qiita
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TLS 1.3ã¯ç¾åœ¨ç–定ä¸ã§ã™ãŒã€ å‰æ–¹ç§˜åŒ¿æ€§ ã®å•é¡Œã‹ã‚‰ RSAã®ã¿ を用ã„ãŸéµå§”共有ãŒç¦æ¢ã«ãªã‚‹è¦‹è¾¼ã¿ã§ã™ã€‚(詳細ã¯å¾Œè¿°ã—ã¾ã™) HTTPSã¨ã¯ 次ã«ã€HTTPSã§ã™ã€‚ HTTPS - Wikipedia HTTPS（Hypertext Transfer Protocol Secure）ã¯ã€HTTPã«ã‚ˆã‚‹é€šä¿¡ã‚’安全ã«ï¼ˆã‚»ã‚ュアã«ï¼‰è¡Œã†ãŸã‚ã®ãƒ—ãƒãƒˆã‚³ãƒ«ãŠã‚ˆã³URIスã‚ームã§ã‚る。 厳密ã«è¨€ãˆã°ã€HTTPS自体ã¯ãƒ—ãƒãƒˆã‚³ãƒ«ã§ã¯ãªãã€SSL/TLSプãƒãƒˆã‚³ãƒ«ã«ã‚ˆã£ã¦æä¾›ã•ã‚Œã‚‹ ã‚»ã‚ュアãªæŽ¥ç¶šã®ä¸Šã§HTTP通信を行ã†ã“㨠をHTTPSã¨å‘¼ã‚“ã§ã„る。 ã¨ã®ã“ã¨ã§ã™ã€‚ HTTPã®èª¬æ˜Žã‚’割愛ã™ã‚‹ã¨ã™ã‚Œã°ã€ã€ŒSSL/TLSã§ã‚»ã‚ュアã«HTTPã‚’ã‚„ã‚‹ã€ã¨ã„ã†ã ã‘ã®èª¬æ˜Žã§æ¸ˆã‚“ã§ã—ã¾ã„ã¾ã™ã€‚ 最近ã§ã¯å€‹äººæƒ…å ±ç‰ã®è¦³ç‚¹ã‹ã‚‰å…¨ã¦ã®ã‚µã‚¤ãƒˆã‚’HTTPSã«ã™ã‚‹ã‚ˆã†ãªå‹•ããŒè¦‹ã‚‰ã‚Œã¾ã™ãŒã€å…ƒã€…HTTPSãŒä½¿ã‚れやã™ã‹ã£ãŸ
HTTPステータスコードをé©åˆ‡ã«é¸ã¶ãŸã‚ã®ãƒ•ãƒãƒ¼ãƒãƒ£ãƒ¼ãƒˆ : 難ã—ã考ãˆã‚‹ã®ã‚’ã‚„ã‚よㆠ| POSTD
HTTPステータスコードを返ã™ã¨ã„ã†ã®ã¯ã¨ã¦ã‚‚å˜ç´”ãªã“ã¨ã§ã™ã€‚ページãŒãƒ¬ãƒ³ãƒ€ãƒªãƒ³ã‚°ã§ããŸï¼Ÿã‚ˆã—ã€ãã‚Œãªã‚‰ 200 ã‚’è¿”ã—ã¾ã—ょã†ã€‚ページãŒå˜åœ¨ã—ãªã„？ãã‚Œãªã‚‰ 404 ã§ã™ã€‚ä»–ã®ãƒšãƒ¼ã‚¸ã«ãƒ¦ãƒ¼ã‚¶ã‚’リダイレクトã—ãŸã„？ 302 ã€ã‚ã‚‹ã„㯠301 ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“。 I like to imagine that HTTP status codes are like CB 10 codes. "Breaker breaker, this is White Chocolate Thunder. We've got a 200 OK here." — Aaron Patterson (@tenderlove) 2015, 10月 7 訳：HTTPã®ã‚¹ãƒ†ãƒ¼ã‚¿ã‚¹ã‚³ãƒ¼ãƒ‰ã®ã“ã¨ã¯ã€å¸‚民ラジオã®10コードã¿ãŸã„ãªã‚‚ã®ã ã¨è€ƒãˆã‚‹ã®ãŒå¥½ãã§ã™ã€‚「ブレーカーã€ãƒ–レーカーã€ã“ã¡ã‚‰ãƒ›ãƒ¯ã‚¤ãƒˆãƒ»ãƒãƒ§ã‚³ãƒ¬ãƒ¼ãƒˆãƒ»ã‚µãƒ³ãƒ€ãƒ¼ã€‚200
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