{"id":99501,"date":"2021-03-21T10:22:35","date_gmt":"2021-03-21T08:22:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-nochnyh-i-beta-sborkah-firefox-vklyuchena-po-umolchaniyu-podderzhka-http-3"},"modified":"2021-03-21T10:22:35","modified_gmt":"2021-03-21T08:22:35","slug":"v-nochnyh-i-beta-sborkah-firefox-vklyuchena-po-umolchaniyu-podderzhka-http-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/v-nochnyh-i-beta-sborkah-firefox-vklyuchena-po-umolchaniyu-podderzhka-http-3","title":{"rendered":"Firefoxi \u00f6istes ja beetaversioonides on HTTP\/3 tugi vaikimisi sisse l\u00fclitatud.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00d6\u00f6versioonides Firefoxi ning beetaversioonis on vaikimisi aktiveeritud HTTP\/3 protokolli tugi. Stabiilses versioonis on HTTP\/3 aktiveerimine planeeritud Firefox 88 ilmumise jaoks, mis on kavandatud 20. aprilliks. Chromes algas valikuline HTTP\/3 aktiveerimine oktoobris 2020.      <\/p>\n<p>HTTP\/3 toe Firefoxis aluseks on Mozilla poolt arendatav projekt neqo, mis pakub kliendi rakendust 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=\"3679\">serverid<\/a> QUIC protokolli jaoks. HTTP\/3 ja QUIC koostisosade kood on kirjutatud keeles Rust. HTTP\/3 lubamise haldamiseks on about:configis ette n\u00e4htud valik \"network.http.http3.enabled\". Klientrakendustes on eksperimentaalne tugi HTTP\/3 samuti juba lisatud Chrome'i ja curl'i, samas kui  <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"serverid\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1559\">serverid<\/a> on saadaval nginxis, samuti nginx-moodulina ja Cloudflare'i testserverina. HTTP\/3 klientide t\u00f6\u00f6 kontrollimiseks on k\u00e4ivitatud mitu testimisveebilehte.        <\/p>\n<p>HTTP\/3 protokoll on praegu mustandspetsifikatsiooni staadiumis ega ole IETF-is l\u00f5puni standardiseeritud. HTTP\/3 m\u00e4\u00e4ratleb QUIC protokolli kasutamise HTTP\/2 transpordiks. QUIC (Quick UDP Internet Connections) protokolli arendab Google alates 2013. aastast, et pakkuda alternatiivi TCP+TLS \u00fchenduste komplektile veebis, lahendades TCP-l tekkiva pikkade \u00fchenduste loomise ja lepingute probleemid ning k\u00f5rvaldades andmete edastamise ajal pakettide kadumisega seotud viivitused. QUIC on UDP protokolli peal asuv kiht, mis toetab mitme \u00fchenduse mitmekeermestamist ning pakub kr\u00fcpteerimismeetodeid, mis on samav\u00e4\u00e4rsed TLS\/SSL-iga. IETF-protokolli standardimise k\u00e4igus on protokolli tehtud muudatusi, mis on viinud kahele paralleelselt eksisteerivale harule, \u00fcks HTTP\/3 jaoks ja teine, mida toetab Google (Chrome toetab m\u00f5lemat varianti).     <\/p>\n<p>QUICi p\u00f5hijooned:  <\/p>\n<ul>\n<li class=\"l\"> K\u00f5rge turvalisus, v\u00f5rreldav TLS'iga (QUIC pakub tegelikult v\u00f5imalust kasutada TLS'i UDP peal);  <\/li>\n<li class=\"l\"> Voolu terviklikkuse j\u00e4lgimine, mis takistab pakettide kaotust;    <\/li>\n<li class=\"l\"> V\u00f5ime koheselt \u00fchendust luua (0-RTT, umbes 75% juhtudest saab andmeid edastada kohe p\u00e4rast \u00fchenduse loomise paketi saatmist) ja tagada minimaalne viivitus k\u00fcsimise ja vastuse saamise vahel (RTT, Round Trip Time);    <\/li>\n<li class=\"l\"> Paketi uuesti edastamisel kasutatakse teistsugust j\u00e4rjestuse numbrit, mis v\u00f5imaldab v\u00e4ltida mitmeti m\u00f5istetavust saadud pakettide m\u00e4\u00e4ratlemisel ja k\u00f5rvaldada aegumise probleemid;  <\/li>\n<li class=\"l\"> Paketi kaotus m\u00f5jutab ainult selle kaasnevat voolu ja ei peata andmete edastamist samaaegselt praeguse \u00fchenduse kaudu edastatavatest voogudest;    <\/li>\n<li class=\"l\"> Vigade parandusmeetmed, mis minimeerivad viivitusi kadunud pakettide uuesti edastamise t\u00f5ttu. Eriliste vigade parandamise koodide kasutamine paketi tasemel, et v\u00e4hendada olukordi, mis n\u00f5uavad kadunud paketi andmete uuesti edastamist.   <\/li>\n<li class=\"l\"> Kr\u00fcptograafiliste plokkide piirid on joondatud QUIC pakettide piiridega, mis v\u00e4hendab pakettide kaotuse m\u00f5ju j\u00e4rgmiste pakettide sisu dekodeerimisele;    <\/li>\n<li class=\"l\"> TCP j\u00e4rjekorra ummistumise probleemide puudumine;    <\/li>\n<li class=\"l\"> \u00dchenduse identifikaatori tugi, mis v\u00f5imaldab v\u00e4hendada mobiilsete klientide uuesti \u00fchendamise aega;  <\/li>\n<li class=\"l\"> V\u00f5ime \u00fchendada laienevaid \u00fchenduse \u00fclekande kontrolli mehhanisme;  <\/li>\n<li class=\"l\"> Igas suunas l\u00e4bilaskev\u00f5ime ennustamise tehnika kasutamine, et tagada pakkide edastamise optimaalne intensiivsus, v\u00e4ltides \u00fcleminekuid koormuse seisundisse, kus esineb pakettide kaotust;    <\/li>\n<li class=\"l\">  M\u00e4rgatav j\u00f5udluse ja ribalaiuse suurenemine v\u00f5rreldes TCP-ga. Videoteenuste, nagu YouTube, puhul on QUIC rakendamine n\u00e4idanud video vaatamisel kordusbufferiseerimise operatsioonide v\u00e4henemist 30%.          <\/li>\n<\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54801\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043d\u043e\u0447\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043a\u0430\u0445 Firefox, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432 \u0431\u0435\u0442\u0430-\u0432\u0435\u0440\u0441\u0438\u0438 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 HTTP\/3. \u0412 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 HTTP\/3 \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043e \u043d\u0430 \u0432\u044b\u043f\u0443\u0441\u043a Firefox 88, \u0437\u0430\u043f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 20 \u0430\u043f\u0440\u0435\u043b\u044f. \u0412 Chrome \u0432\u044b\u0431\u043e\u0440\u043e\u0447\u043d\u0430\u044f \u0430\u043a\u0442\u0438\u0432\u0430\u0446\u0438\u044f HTTP\/3 \u043d\u0430\u0447\u0430\u043b\u0430\u0441\u044c \u0432 \u043e\u043a\u0442\u044f\u0431\u0440\u0435 2020 \u0433\u043e\u0434\u0430. \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 [&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-99501","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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