{"id":52244,"date":"2019-11-04T00:00:00","date_gmt":"2019-11-03T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/v-nochnyh-sborkah-firefox-poyavilas-podderzhka-http-3"},"modified":"2020-02-18T13:59:55","modified_gmt":"2020-02-18T10:59:55","slug":"v-nochnyh-sborkah-firefox-poyavilas-podderzhka-http-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/v-nochnyh-sborkah-firefox-poyavilas-podderzhka-http-3","title":{"rendered":"Firefoxi \u00f6\u00f6sed koostised on saanud tuge HTTP\/3-le","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>V <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mozilla.org\/en-US\/firefox\/channel\/desktop\/#nightly\">\u00f6\u00f6p\u00e4evased kogumikud<\/a><\/noindex>  Firefox, mis t\u00f5otavad olla aluseks Firefox 72 v\u00e4ljaandele, mis on planeeritud 7. jaanuariks, <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1581637\">on lisatud<\/a><\/noindex> HTTP\/3 protokolli tugi. Vaikimisi on HTTP\/3 v\u00e4lja l\u00fclitatud ja selle aktiveerimiseks tuleb seadistada valik &#171;network.http.http3.enabled&#187; lehelt about:config. <\/p>\n<p>HTTP\/3 tugi Firefoxis p\u00f5hineb Mozillaga arendataval projektile <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/mozilla\/neqo\">neqo<\/a><\/noindex>, mis pakub QUIC protokolli kliendi ja serveri teostust. HTTP\/3 ja QUIC toetavate komponentide kood on kirjutatud keeles Rust.<br \/>\nEksperimentaalne HTTP\/3 tugi on samuti olemas kliendirakendustes,  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51526\">on lisatud<\/a><\/noindex> nt Chrome'is ja curlis, ning serveritele on saadaval  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cloudflare\/quiche\/tree\/master\/extras\/nginx\">mooduliga<\/a><\/noindex> nginx'i jaoks ja <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cloudflare\/quiche\/blob\/master\/examples\/http3-server.rs\">katseserver<\/a><\/noindex> Cloudflare'i QUIC ja HTTP\/3 raamatukogile, mis on kirjutatud keeles Rust). HTTP\/3 klientide t\u00f6\u00f6 kontrollimiseks <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cloudflare\/quiche\">quiche<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50061\">teostamine<\/a><\/noindex>  on k\u00e4ivitatud <noindex><a rel=\"nofollow\" href=\"https:\/\/bagder.github.io\/HTTP3-test\/\">mitu katsetussaiti, millest enamus ei avane veel Firefoxis \u00f5igesti (HTTP\/3 on arendamise faasis<\/a><\/noindex> kontseptsiooni mustand <noindex><a rel=\"nofollow\" href=\"https:\/\/datatracker.ietf.org\/doc\/draft-ietf-quic-http\/\">ja pole veel l\u00f5plikult standarditud).<\/a><\/noindex> Firefoxi \u00f6iste kogumite, mis annavad aluse Firefox 72 v\u00e4ljaandele 7. jaanuariks, on lisatud HTTP\/3 protokolli toetus. Vaikimisi on HTTP\/3 keelatud ning selle aktiveerimiseks tuleb kokku leppida valik \"network.http.http3.enabled\" aadressil about:config. HTTP\/3 tugi Firefoxis p\u00f5hineb Mozillaga arendataval projektile neqo, mis pakub QUIC protokolli kliendi ja serveri teostust. HTTP\/3 ja<\/p>\n<p>Meenutame, et HTTP\/3 standardiseerib QUIC protokolli kasutamise HTTP\/2 transpordina. Protokoll <noindex><a rel=\"nofollow\" href=\"https:\/\/www.chromium.org\/quic\/\">QUIC<\/a><\/noindex> (Quick UDP Internet Connections) on alates 2013. aastast arendatud Google'i poolt TCP+TLS alternatiivina, mis lahendab TCP \u00fchenduste loomise ja kokkuleppimise suure aja probleeme ning k\u00f5rvaldab andme\u00fclekande k\u00e4igus pakettide kaotsimineku t\u00f5ttu tekkivad viivitused. QUIC on UDP protokolli pealispind, mis toetab mitme \u00fchenduse multiplexerimist ja pakub kr\u00fcpteerimismeetodeid, mis on v\u00f5rdsed TLS\/SSL-iga. <\/p>\n<p>Peamised <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.google.com\/document\/d\/1lmL9EF6qKrk7gbazY8bIdvq3Pno2Xj_l_YShP40GLQE\/preview?sle=true#\">omadused<\/a><\/noindex> QUIC:\n<\/p>\n<ul>\n<li class=\"l\"> K\u00f5rge turvalisus, mis on sarnane TLS-ile (QUIC v\u00f5imaldab tegelikult kasutada TLS-i UDP peal);\n<\/li>\n<li class=\"l\"> Voogude terviklikkuse kontrollimine, mis takistab pakettide kadumist;\n<\/li>\n<li class=\"l\"> Kohene \u00fchenduse loomise v\u00f5imalus (0-RTT, umbes 75% juhtudest saab andmeid edastada kohe p\u00e4rast \u00fchenduse loomise paketi saatmist) ning tagab minimaalsed viivitused p\u00e4ringu saatmise ja vastuse saamise vahel (RTT, Round Trip Time);\n<\/li>\n<li class=\"l\"> Ei kasutata sama j\u00e4rjestikuse numbri paketi kordussaatmisel, mis v\u00f5imaldab v\u00e4ltida segadust saadud paketide tuvastamisel ja k\u00f5rvaldab ajutised katkestused;\n<\/li>\n<li class=\"l\"> Paketi kadu m\u00f5jutab ainult seotud voogu ja ei peata andmete edastamist paralleelselt edastatavatest voogudest l\u00e4bi praeguse \u00fchenduse;\n<\/li>\n<li class=\"l\"> Vigade parandamise vahendid, mis minimeerivad viivitused kadunud pakettide kordussaatmise t\u00f5ttu. Spetsiaalsete vigade parandamise koodide kasutamine paketi tasandil, et v\u00e4hendada olukordade arvu, mis vajavad kadunud paketi andmete uuesti edastamist.\n<\/li>\n<li class=\"l\"> Kr\u00fcptograafiliste plokkide piirid on joondatud QUIC pakettide piiride k\u00fclge, mis v\u00e4hendab pakettide kadumise m\u00f5ju j\u00e4rgmiste pakettide sisu dekodeerimisele;\n<\/li>\n<li class=\"l\"> TCP j\u00e4rjekorra ummistusega seotud probleeme pole.\n<\/li>\n<li class=\"l\"> \u00dchenduse identifikaatori toetus, mis v\u00f5imaldab mobiilsete klientide uuesti \u00fchendamise aega l\u00fchendada;\n<\/li>\n<li class=\"l\"> T\u00e4psemate \u00fchenduse koormusjuhtimise mehanismide toetus;\n<\/li>\n<li class=\"l\"> V\u00f5imet kasutada igas suunas l\u00e4bip\u00e4\u00e4sutehnika prognoosimist, et tagada optimaalne pakettide saatmise intensiivsus, v\u00e4ltides \u00fclekoormusse sattumist, mille korral toimub pakettide kadu;\n<\/li>\n<li class=\"l\">  Silmatorkav <noindex><a rel=\"nofollow\" href=\"http:\/\/web.cs.wpi.edu\/~claypool\/ms\/quic\/quic-thesis.pdf\">kasv<\/a><\/noindex> suurem j\u00f5udlus ja l\u00e4bilaskev\u00f5ime, v\u00f5rreldes TCP-ga. Video teenuste, nagu YouTube, puhul on QUIC-i kasutamine v\u00e4hendanud uuesti puhverdamise operatsioonide arvu video vaatamise ajal 30% v\u00f5rra.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51807\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043d\u043e\u0447\u043d\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 Firefox, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043b\u044f\u0433\u0443\u0442 \u0432 \u043e\u0441\u043d\u043e\u0432\u0443 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 Firefox 72, \u0437\u0430\u043f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 7 \u044f\u043d\u0432\u0430\u0440\u044f, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 HTTP\/3. \u041f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e HTTP\/3 \u043e\u0442\u043a\u043b\u044e\u0447\u0451\u043d \u0438 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0430\u043a\u0442\u0438\u0432\u0430\u0446\u0438\u0438 \u043e\u043f\u0446\u0438\u0438 &#171;network.http.http3.enabled&#187; \u0432 about:config. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 HTTP\/3 \u0432 Firefox \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0430 \u043d\u0430 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u043c \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Mozilla \u043f\u0440\u043e\u0435\u043a\u0442\u0435 neqo, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u043c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 QUIC. \u041a\u043e\u0434 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 HTTP\/3 \u0438 [&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-52244","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043d\u043e\u0447\u043d\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 Firefox, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043b\u044f\u0433\u0443\u0442 \u0432 \u043e\u0441\u043d\u043e\u0432\u0443 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