{"id":96109,"date":"2020-10-08T01:42:56","date_gmt":"2020-10-07T23:42:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-chrome-nachalas-aktivacziya-ietf-quic-i-http-3"},"modified":"2020-10-08T01:42:56","modified_gmt":"2020-10-07T23:42:56","slug":"v-chrome-nachalas-aktivacziya-ietf-quic-i-http-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/v-chrome-nachalas-aktivacziya-ietf-quic-i-http-3","title":{"rendered":"V Chrome byla zah\u00e1jena aktivace IETF QUIC a HTTP\/3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost Google <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.chromium.org\/2020\/10\/chrome-is-deploying-http3-and-ietf-quic.html\">ozn\u00e1mila<\/a><\/noindex> o zah\u00e1jen\u00ed nahrazen\u00ed vlastn\u00ed varianty protokolu <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51526\">QUIC<\/a><\/noindex> na variantu vyv\u00edjenou ve specifikaci IETF. Pou\u017e\u00edvan\u00e1 varianta QUIC od Googlu se v n\u011bkter\u00fdch ohledech li\u0161\u00ed od varianty z <noindex><a rel=\"nofollow\" href=\"https:\/\/datatracker.ietf.org\/doc\/draft-ietf-quic-transport\/\">specifikac\u00ed IETF<\/a><\/noindex>. Chrome p\u0159itom podporuje ob\u011b varianty protokolu, ale v\u00fdchoz\u00ed nastaven\u00ed st\u00e1le pou\u017e\u00edv\u00e1 svou vlastn\u00ed variantu QUIC. <\/p>\n<p>Od dne\u0161n\u00edho dne je 25 % u\u017eivatel\u016f stabiln\u00ed v\u011btve Chrome p\u0159epnuto na pou\u017e\u00edv\u00e1n\u00ed IETF QUIC a v nejbli\u017e\u0161\u00ed dob\u011b se pod\u00edl t\u011bchto u\u017eivatel\u016f zv\u00fd\u0161\u00ed. Podle statistik Google proti HTTP p\u0159es TCP+TLS 1.3 vyk\u00e1zal protokol IETF QUIC sn\u00ed\u017een\u00ed latence p\u0159i vyhled\u00e1v\u00e1n\u00ed v Google Search o 2 % a sn\u00ed\u017een\u00ed doby op\u011btovn\u00e9ho bufferov\u00e1n\u00ed na YouTube o 9 % p\u0159i zv\u00fd\u0161en\u00ed propustnosti o 3 % pro stoln\u00ed a o 7 % pro mobiln\u00ed syst\u00e9my.<\/p>\n<p>HTTP\/3 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49594\">standardizuje<\/a><\/noindex> pou\u017e\u00edv\u00e1n\u00ed protokolu QUIC jako transportu pro HTTP\/2. Protokol QUIC (Quick UDP Internet Connections) se od roku 2013 vyv\u00edj\u00ed spole\u010dnost\u00ed Google jako alternativa k TCP+TLS pro Web, kter\u00e1 \u0159e\u0161\u00ed probl\u00e9my s vysokou dobou navazov\u00e1n\u00ed a sjedn\u00e1v\u00e1n\u00ed spojen\u00ed v TCP a odstra\u0148uje latence p\u0159i ztr\u00e1t\u011b paket\u016f b\u011bhem p\u0159enosu dat. QUIC je nadstavbou nad protokolem UDP, kter\u00e1 podporuje multiplexov\u00e1n\u00ed n\u011bkolika spojen\u00ed a poskytuje metody \u0161ifrov\u00e1n\u00ed ekvivalentn\u00ed TLS\/SSL. V pr\u016fb\u011bhu standardizace v IETF byly do protokolu provedeny \u00fapravy, co\u017e vedlo k vzniku dvou paraleln\u011b existuj\u00edc\u00edch v\u011btv\u00ed, jedna pro HTTP\/3 a druh\u00e1 podporovan\u00e1 Googlem.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53849\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u043d\u0430\u0447\u0430\u043b\u0435 \u0437\u0430\u043c\u0435\u043d\u044b \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439 \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 QUIC \u043d\u0430 \u0432\u0430\u0440\u0438\u0430\u043d\u0442, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u044b\u0439 \u0432 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 IETF. \u041f\u0440\u0438\u043c\u0435\u043d\u044f\u0432\u0448\u0438\u0439\u0441\u044f \u0432 Chrome \u0432\u0430\u0440\u0438\u0430\u043d\u0442 QUIC \u043e\u0442 Google \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0434\u0435\u0442\u0430\u043b\u044f\u0445 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u0438\u0437 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 IETF. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c Chrome \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043e\u0431\u0430 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u043d\u043e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b \u0441\u0432\u043e\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 QUIC. \u0421 \u0441\u0435\u0433\u043e\u0434\u043d\u044f\u0448\u043d\u0435\u0433\u043e \u0434\u043d\u044f 25% \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-96109","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google 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