{"id":99904,"date":"2021-04-17T10:22:46","date_gmt":"2021-04-17T08:22:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vklyuchenie-podderzhki-http-3-v-firefox-namecheno-na-konecz-maya"},"modified":"2021-04-17T10:22:46","modified_gmt":"2021-04-17T08:22:46","slug":"vklyuchenie-podderzhki-http-3-v-firefox-namecheno-na-konecz-maya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/vklyuchenie-podderzhki-http-3-v-firefox-namecheno-na-konecz-maya","title":{"rendered":"HTTP\/3 toe toetamine Firefoxis on planeeritud mais","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Mozilla teatas, et kavatseb alustada HTTP\/3 ja QUIC protokollide j\u00e4rkj\u00e4rgulist integreerimist Firefox 88 v\u00e4ljaandes, mis on kavandatud 19. aprilliks (alguses oodati v\u00e4ljaandmist 20. aprillil, kuid tundub, et see on graafiku j\u00e4rgi \u00fche p\u00e4eva v\u00f5rra edasi l\u00fckatud). Alguses aktiveeritakse HTTP\/3 tugi ainult v\u00e4ikesele protsendile kasutajatest ja kui mingeid etten\u00e4gematuid probleeme ei ilmne, laiendatakse seda k\u00f5igile mai l\u00f5puks. \u00d6\u00f6 kogumistes ja beetaversioonides on HTTP\/3 olnud vaikimisi lubatud m\u00e4rtsi l\u00f5pus.    <\/p>\n<p>Meenutame, et HTTP\/3 rakendamine Firefoxis p\u00f5hineb Mozilla arendataval projektil neqo, mis pakub kliendi ja <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-los-angeles\/\"   title=\"serverid\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3702\">serverid<\/a> QUIC protokolli teostust. HTTP\/3 ja QUIC-i toe komponendi kood on kirjutatud Rusti keeles. HTTP\/3 aktiveerimise haldamiseks on aadressil about:config saadaval valik &#171;network.http.http3.enabled&#187;. Klienditarkvarana on eksperimentaalse tugi HTTP\/3 lisatud ka Chrome'i ja curl'i, ning  <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"serverite\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1572\">serverite<\/a> saab seda kasutada nginx'is, samuti nginx-mooduli ja Cloudflare'i testserveri vormis. Veebilehtede k\u00fcljelt on HTTP\/3 tugi juba tagatud Google'i ja Facebooki serverites.     <\/p>\n<p>HTTP\/3 protokoll on endiselt mustanditel ning ei ole veel l\u00f5plikult standardiseeritud IETF-is. HTTP\/3 kasutamiseks on vajalik kliendi ja serveri poolt sama versiooni mustandi QUIC ja HTTP\/3 toetus, mis m\u00e4\u00e4ratakse Alt-Svc p\u00e4ises (Firefox toetab mustandi specifikatsioone 27 kuni 32).            <\/p>\n<p>HTTP\/3 m\u00e4\u00e4ratleb QUIC protokolli kasutamise HTTP\/2 transpordiks. QUIC (Quick UDP Internet Connections) on Google'i poolt alates 2013. aastast arendatav alternatiiv TCP+TLS lahendusele veebis, mis lahendab TCP-\u00fchenduse seadistamise ja kokkuleppimise pika aega ning k\u00f5rvaldab viivitused andmete edastamise ajal paketikaotuste t\u00f5ttu. QUIC on UDP protokolli peal asuv kiht, mis toetab mitme \u00fchenduse paljusid ja tagab TLS\/SSL-iga v\u00f5rdseid kr\u00fcpteerimismeetodeid. IETF-is standardi arendamise k\u00e4igus tehti protokollis muudatusi, mis viis kahe samaaegselt eksisteeriva haru tekkeni, \u00fcks HTTP\/3 jaoks ja teine Google'i toetatud haru (Chrome toetab m\u00f5lemat versiooni).    <\/p>\n<p>QUIC peamised omadused:  <\/p>\n<ul>\n<li class=\"l\"> K\u00f5rge turvalisus, mis on sarnane TLS-ile (QUIC v\u00f5imaldab tegelikult kasutada TLS-i UDP peal);  <\/li>\n<li class=\"l\"> Voogude terviklikkuse kontrollimine, mis takistab pakettide kadumist;    <\/li>\n<li class=\"l\"> V\u00f5imalus kohe \u00fchendus luua (0-RTT, umbes 75% juhtudest on andmed saadaval kohe p\u00e4rast \u00fchenduse loomise paketi saatmist) ja tagada minimaalne viivitus p\u00e4ringu saatmise ja vastuse saamise vahel (RTT, Round Trip Time);    <\/li>\n<li class=\"l\"> Pakettide uuesti edastamisel kasutatakse erinevat j\u00e4rjestuse numbrit, mis aitab v\u00e4ltida segadust vastuv\u00f5etud pakettide m\u00e4\u00e4ratlemisel ja kaotab aegumise probleemid;  <\/li>\n<li class=\"l\"> Paketi kadu m\u00f5jutab ainult seotud voogu ja ei peata andmete edastamist paralleelselt edastatavatest voogudest l\u00e4bi praeguse \u00fchenduse;    <\/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.   <\/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;    <\/li>\n<li class=\"l\"> TCP j\u00e4rjekorra ummistusega seotud probleeme pole.    <\/li>\n<li class=\"l\"> \u00dchenduse identifikaatori toetus, mis v\u00f5imaldab mobiilsete klientide uuesti \u00fchendamise aega l\u00fchendada;  <\/li>\n<li class=\"l\"> T\u00e4psemate \u00fchenduse koormusjuhtimise mehanismide toetus;  <\/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;    <\/li>\n<li class=\"l\">  M\u00e4rkimisv\u00e4\u00e4rne j\u00f5udluse ja l\u00e4bilaskev\u00f5ime kasvu v\u00f5rreldes TCP-ga. Videoteenuste, nagu YouTube, puhul on QUIC kasutamine n\u00e4idanud, et video vaatamise ajal on puhverdamise uuesti tegemise operatsioonide arv v\u00e4henenud 30%.          <\/li>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54979\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u0438\u0438 \u043d\u0430\u0447\u0430\u0442\u044c \u043f\u043e\u044d\u0442\u0430\u043f\u043d\u043e\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 HTTP\/3 \u0438 QUIC \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Firefox 88, \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u043e\u043c \u043d\u0430 19 \u0430\u043f\u0440\u0435\u043b\u044f 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\u043d\u0435\u043f\u0440\u0435\u0434\u0432\u0438\u0434\u0435\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c, \u0431\u0443\u0434\u0435\u0442 \u0434\u043e\u0432\u0435\u0434\u0435\u043d\u0430 \u0434\u043e \u0432\u0441\u0435\u0445 \u043a \u043a\u043e\u043d\u0446\u0443 [&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-99904","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u0438\u0438 \u043d\u0430\u0447\u0430\u0442\u044c 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