{"id":39022,"date":"2019-10-31T22:27:26","date_gmt":"2019-10-31T19:27:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kompaniya-cloudflare-realizovala-modul-dlya-podderzhki-http-3-v-nginx\/"},"modified":"2019-10-31T22:27:26","modified_gmt":"2019-10-31T19:27:26","slug":"kompaniya-cloudflare-realizovala-modul-dlya-podderzhki-http-3-v-nginx","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/kompaniya-cloudflare-realizovala-modul-dlya-podderzhki-http-3-v-nginx","title":{"rendered":"Firma Cloudflare wprowadzi\u0142a modu\u0142 do obs\u0142ugi HTTP\/3 w NGINX","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Firma Cloudflare <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.cloudflare.com\/experiment-with-http-3-using-nginx-and-quiche\/\">przygotowa\u0142a<\/a><\/noindex>  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cloudflare\/quiche\/tree\/master\/extras\/nginx\">modu\u0142<\/a><\/noindex> do zapewnienia wsparcia dla protoko\u0142u HTTP\/3 w NGINX. Modu\u0142 jest zaimplementowany jako nak\u0142adka na rozwijan\u0105 w Cloudflare bibliotek\u0119 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50061\">quiche<\/a><\/noindex> z implementacj\u0105 protoko\u0142u transportowego QUIC i HTTP\/3. Kod quiche jest napisany w j\u0119zyku Rust, natomiast sam modu\u0142 dla NGINX jest napisany w j\u0119zyku C i korzysta z biblioteki za pomoc\u0105 dynamicznego linkowania. Osi\u0105gni\u0119cia <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cloudflare\/quiche\/tree\/master\/extras\/nginx\">s\u0105 otwarte<\/a><\/noindex> na licencji BSD.<\/p>\n<p>Aby kompilowa\u0107 wystarczy pobra\u0107 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cloudflare\/quiche\/blob\/master\/extras\/nginx\/nginx-1.16.patch\">\u0142atk\u0119<\/a><\/noindex> do nginx 1.16 i <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cloudflare\/quiche\">kod<\/a><\/noindex> \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 quiche, \u043f\u043e\u0441\u043b\u0435 \u0447\u0435\u0433\u043e \u043f\u0435\u0440\u0435\u0441\u043e\u0431\u0440\u0430\u0442\u044c nginx \u0441 \u043e\u043f\u0446\u0438\u044f\u043c\u0438 &#171;&#8212;with-http_v3_module &#8212;with-quiche=..\/quiche&#187;. \u041f\u0440\u0438 \u0441\u0431\u043e\u0440\u043a\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 TLS \u0434\u043e\u043b\u0436\u043d\u0430 \u0431\u0430\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043d\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 BoringSSL (&#171;&#8212;with-openssl=..\/quiche\/deps\/boringssl&#187;), \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 OpenSSL \u043f\u043e\u043a\u0430 \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f. \u0414\u043b\u044f \u043f\u0440\u0438\u0451\u043c\u0430 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439 \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u043d\u0443\u0436\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u0443 listen  \u0441 \u0444\u043b\u0430\u0433\u043e\u043c &#171;quic&#187; (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440 &#171;listen 443 quic reuseport&#187;).<\/p>\n<p>W klientach wsparcie HTTP\/3 zosta\u0142o ju\u017c dodane do eksperymentalnych wersji Chrome Canary oraz narz\u0119dzia curl. Po stronie serwera wci\u0105\u017c wymagano u\u017cycia ograniczonych w swoich mo\u017cliwo\u015bciach oddzielnych <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cloudflare\/quiche\/blob\/master\/examples\/http3-server.rs\">implementacji testowych<\/a><\/noindex>. Mo\u017cliwo\u015b\u0107 obs\u0142ugi HTTP\/3 w nginx znacznie upro\u015bci wdra\u017canie serwer\u00f3w z wsparciem dla HTTP\/3 oraz uczyni testowe wprowadzenie nowego protoko\u0142u \u0142atwiejszym. Pojawienie si\u0119 standardowego wsparcia HTTP\/3 w nginx <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/openforum\/vsluhforumID3\/118512.html#64\">oczekiwane<\/a><\/noindex> w ga\u0142\u0119zi 1.17.x w ci\u0105gu 6-12 miesi\u0119cy.<\/p>\n<p>Przypomnijmy, \u017ce HTTP\/3 standaryzuje u\u017cycie protoko\u0142u QUIC jako transportu dla HTTP\/2. Protok\u00f3\u0142 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.chromium.org\/quic\/\">QUIC<\/a><\/noindex> (Quick UDP Internet Connections) od 2013 roku jest rozwijany przez firm\u0119 Google jako alternatywa dla po\u0142\u0105cze\u0144 TCP+TLS w sieci, rozwi\u0105zuj\u0105c problemy z d\u0142ugim czasem ustanawiania i uzgadniania po\u0142\u0105cze\u0144 w TCP oraz eliminuj\u0105c op\u00f3\u017anienia przy utracie pakiet\u00f3w w trakcie przesy\u0142ania danych. QUIC jest nadbudow\u0105 nad protoko\u0142em UDP, wspieraj\u0105c\u0105 mno\u017cenie po\u0142\u0105cze\u0144 i zapewniaj\u0105c\u0105 metody szyfrowania por\u00f3wnywalne z TLS\/SSL. <\/p>\n<p>Podstawowe <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.google.com\/document\/d\/1lmL9EF6qKrk7gbazY8bIdvq3Pno2Xj_l_YShP40GLQE\/preview?sle=true#\">cechy<\/a><\/noindex> QUIC:\n<\/p>\n<ul>\n<li class=\"l\"> Wysokie bezpiecze\u0144stwo, podobne do TLS (w zasadzie QUIC zapewnia mo\u017cliwo\u015b\u0107 u\u017cycia TLS nad UDP);\n<\/li>\n<li class=\"l\"> Kontrola integralno\u015bci strumienia, zapobiegaj\u0105ca utracie pakiet\u00f3w;\n<\/li>\n<li class=\"l\"> Mo\u017cliwo\u015b\u0107 natychmiastowego ustanowienia po\u0142\u0105czenia (0-RTT, w oko\u0142o 75% przypadk\u00f3w dane mo\u017cna przesy\u0142a\u0107 natychmiast po wys\u0142aniu pakietu ustanowienia po\u0142\u0105czenia) oraz zapewnienie minimalnych op\u00f3\u017anie\u0144 mi\u0119dzy wys\u0142aniem \u017c\u0105dania a otrzymaniem odpowiedzi (RTT, Round Trip Time);\n<\/li>\n<li class=\"l\"> Nie u\u017cywanie tego samego numeru sekwencji podczas ponownej transmisji pakietu, co pozwala unikn\u0105\u0107 dwuznaczno\u015bci przy okre\u015blaniu odebranych pakiet\u00f3w i wyeliminowa\u0107 op\u00f3\u017anienia;\n<\/li>\n<li class=\"l\"> Utrata pakietu wp\u0142ywa na dostarczanie tylko powi\u0105zanego z nim strumienia i nie zatrzymuje dostarczania danych w r\u00f3wnolegle przesy\u0142anych strumieniach przez bie\u017c\u0105ce po\u0142\u0105czenie;\n<\/li>\n<li class=\"l\"> \u015arodki korekcji b\u0142\u0119d\u00f3w, minimalizuj\u0105ce op\u00f3\u017anienia spowodowane ponown\u0105 transmisj\u0105 zagubionych pakiet\u00f3w. Wykorzystanie specjalnych kod\u00f3w korekcji b\u0142\u0119d\u00f3w na poziomie pakiet\u00f3w w celu zmniejszenia liczby sytuacji wymagaj\u0105cych ponownej transmisji danych zagubionego pakietu.\n<\/li>\n<li class=\"l\"> Granice blok\u00f3w kryptograficznych s\u0105 wyr\u00f3wnane z granicami pakiet\u00f3w QUIC, co zmniejsza wp\u0142yw utraty pakiet\u00f3w na dekodowanie zawarto\u015bci nast\u0119pnych pakiet\u00f3w;\n<\/li>\n<li class=\"l\"> Brak problem\u00f3w z blokowaniem kolejek TCP;\n<\/li>\n<li class=\"l\"> Wsparcie dla identyfikatora po\u0142\u0105czenia, co pozwala skr\u00f3ci\u0107 czas na ponowne nawi\u0105zanie po\u0142\u0105czenia dla klient\u00f3w mobilnych;\n<\/li>\n<li class=\"l\"> Mo\u017cliwo\u015b\u0107 pod\u0142\u0105czenia rozszerzonych mechanizm\u00f3w kontroli przeci\u0105\u017cenia po\u0142\u0105czenia;\n<\/li>\n<li class=\"l\"> Wykorzystanie techniki prognozowania przepustowo\u015bci w ka\u017cdym kierunku, aby zapewni\u0107 optymaln\u0105 intensywno\u015b\u0107 wysy\u0142ania pakiet\u00f3w, zapobiegaj\u0105c wpadni\u0119ciu w stan przeci\u0105\u017cenia, w kt\u00f3rym wyst\u0119puje utrata pakiet\u00f3w;\n<\/li>\n<li class=\"l\">  Wyra\u017any <noindex><a rel=\"nofollow\" href=\"http:\/\/web.cs.wpi.edu\/~claypool\/ms\/quic\/quic-thesis.pdf\">wzrost<\/a><\/noindex> wydajno\u015bci i przepustowo\u015bci w por\u00f3wnaniu z TCP. Dla serwis\u00f3w wideo, takich jak YouTube, zastosowanie QUIC wykaza\u0142o zmniejszenie operacji ponownego buforowania podczas ogl\u0105dania wideo o 30%.\n<\/li>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51695\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cloudflare \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0430 \u043c\u043e\u0434\u0443\u043b\u044c \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 HTTP\/3 \u0432 NGINX. \u041c\u043e\u0434\u0443\u043b\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u0432 \u0444\u043e\u0440\u043c\u0435 \u043d\u0430\u0434\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u043d\u0430\u0434 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0432 Cloudflare \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u043e\u0439 quiche \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0442\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 QUIC \u0438 HTTP\/3. \u041a\u043e\u0434 quiche \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust, \u043d\u043e \u0441\u0430\u043c \u043c\u043e\u0434\u0443\u043b\u044c \u0434\u043b\u044f NGINX \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u043e\u0431\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f \u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u043d\u0438\u044f. \u041d\u0430\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u044b \u043f\u043e\u0434 [&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-39022","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cloudflare \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0430\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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