{"id":104306,"date":"2022-06-07T09:36:47","date_gmt":"2022-06-07T07:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/protokol-http-3-0-poluchil-status-predlozhennogo-standarta"},"modified":"2022-06-07T09:36:47","modified_gmt":"2022-06-07T07:36:48","slug":"protokol-http-3-0-poluchil-status-predlozhennogo-standarta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/protokol-http-3-0-poluchil-status-predlozhennogo-standarta","title":{"rendered":"HTTP\/3.0 protokoll on saanud soovitatud standardi staatuse.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u041a\u043e\u043c\u0438\u0442\u0435\u0442 IETF (Internet Engineering Task Force), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430, \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u043b \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 RFC \u0434\u043b\u044f \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 HTTP\/3.0 \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u043d\u0438\u043c \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e\u0434 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u0430\u043c\u0438  RFC 9114 (\u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b) \u0438 RFC 9204 (\u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f \u0441\u0436\u0430\u0442\u0438\u0435 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u043e\u0432 QPACK \u0434\u043b\u044f HTTP\/3). \u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f HTTP\/3.0 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0430 \u0441\u0442\u0430\u0442\u0443\u0441 &#171;\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430&#187;, \u043f\u043e\u0441\u043b\u0435 \u0447\u0435\u0433\u043e \u043d\u0430\u0447\u043d\u0451\u0442\u0441\u044f \u0440\u0430\u0431\u043e\u0442\u0430 \u043f\u043e \u043f\u0440\u0438\u0434\u0430\u043d\u0438\u044e RFC \u0441\u0442\u0430\u0442\u0443\u0441\u0430 \u0447\u0435\u0440\u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 (Draft Standard), \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043e\u0437\u043d\u0430\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u043f\u043e\u043b\u043d\u0443\u044e \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u0438 \u0443\u0447\u0451\u0442 \u0432\u0441\u0435\u0445 \u0432\u044b\u0441\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u0445 \u0437\u0430\u043c\u0435\u0447\u0430\u043d\u0438\u0439. \u041e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043e\u0431\u043d\u043e\u0432\u043b\u0451\u043d\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 \u0434\u043b\u044f \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 HTTP\/1.1 (RFC 9112) \u0438 HTTP\/2.0 (RFC 9113), \u0430 \u0442\u0430\u043a\u0436\u0435   \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u044b, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u044e\u0449\u0438\u0435 \u0441\u0435\u043c\u0430\u043d\u0442\u0438\u043a\u0443 HTTP-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 (RFC 9110) \u0438 HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u043c (RFC 9111).        <\/p>\n<p>HTTP\/3 protokoll m\u00e4\u00e4ratleb QUIC (Quick UDP Internet Connections) protokolli kasutamise HTTP\/2 transpordiks. QUIC on UDP protokolli peal ehitatud kiht, mis toetab mitme \u00fchenduse multiplexerimist ja pakub kr\u00fcpteerimismeetodeid, mis on v\u00f5rreldavad TLS\/SSL-iga. Protokoll loodi 2013. aastal Google'i poolt TCP+TLS alternatiivina veebis, lahendades TCP-s \u00fchenduse loomise ja kokkuleppimise pikad ajad ning k\u00f5rvaldades viivitused andmete edastamise k\u00e4igus pakettide kadumise t\u00f5ttu.     <center><img decoding=\"async\" alt=\"HTTP\/3.0 protokoll on saanud soovitatud standardi staatuse.\" src=\"\/wp-content\/uploads\/2022\/06\/0821fd634337ac1f1cc0924abb4f55dc.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p>\u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 QUIC \u0438 HTTP\/3.0 \u0443\u0436\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432\u043e \u0432\u0441\u0435\u0445 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0445 web-\u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430\u0445 (\u0432 Chrome, Firefox \u0438 Edge \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 HTTP\/3 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e, \u0430 \u0432 Safari \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 &#171;Advanced &gt; Experimental Features &gt; HTTP\/3&#187;). \u041d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 HTTP\/3 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0434\u043b\u044f nginx (\u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0435 \u0438 \u0432 \u0444\u043e\u0440\u043c\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043c\u043e\u0434\u0443\u043b\u044f),  Caddy, IIS \u0438 LiteSpeed.  \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 HTTP\/3 \u0442\u0430\u043a\u0436\u0435 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0441\u0435\u0442\u044c \u0434\u043e\u0441\u0442\u0430\u0432\u043a\u0438 \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430 Cloudflare.     <\/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);      <center><img decoding=\"async\" alt=\"HTTP\/3.0 protokoll on saanud soovitatud standardi staatuse.\" src=\"\/wp-content\/uploads\/2022\/06\/d416668e500fd2b79304fa0b13f793e3.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/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%.    <\/ul>\n<p>\u0418\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 HTTP\/1.1 \u043c\u043e\u0436\u043d\u043e \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c \u0437\u0430\u043f\u0440\u0435\u0442 \u043d\u0430 \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u0430 \u0432\u043e\u0437\u0432\u0440\u0430\u0442\u0430 \u043a\u0430\u0440\u0435\u0442\u043a\u0438 (CR) \u0432\u043d\u0435 \u0442\u0435\u043b\u0430 \u0441 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u044b\u043c, \u0442.\u0435. \u0432 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u0441\u0438\u043c\u0432\u043e\u043b CR \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u043c \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 \u0441\u0442\u0440\u043e\u043a\u0438 (CRLF). \u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u043a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u043a\u0438 chunked-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0434\u043e\u0440\u0430\u0431\u043e\u0442\u0430\u043d \u0434\u043b\u044f \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u0451\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u0435\u0439 \u0438 \u0441\u0435\u043a\u0446\u0438\u0438 \u0441 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0430\u043c\u0438. \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u043f\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u0435\u043e\u0434\u043d\u043e\u0437\u043d\u0430\u0447\u043d\u043e\u0433\u043e \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0430\u0442\u0430\u043a \u043a\u043b\u0430\u0441\u0441\u0430  &#171;HTTP Request Smuggling&#187;, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u0432\u043a\u043b\u0438\u043d\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0432 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0432 \u043f\u043e\u0442\u043e\u043a\u0435 \u043c\u0435\u0436\u0434\u0443 \u0444\u0440\u043e\u043d\u0442\u044d\u043d\u0434\u043e\u043c \u0438 \u0431\u044d\u043a\u0435\u043d\u0434\u043e\u043c.    <\/p>\n<p>HTTP\/2.0 spetsifikatsiooni uuenduses on selgelt m\u00e4\u00e4ratletud TLS 1.3 tugi. Prioriteetide m\u00e4\u00e4ratlemise skeem ja sellega seotud v\u00e4ljad on liigitatud vananenud kategooriasse. HTTP\/1.1 ga seotud \u00fchenduse uuendamise mehhanism on kuulutatud vananenud. V\u00e4ljade nimede ja v\u00e4\u00e4rtuste kontrollimise n\u00f5uded on v\u00e4hendatud. M\u00f5ned varasemalt reserveeritud kaadritypid ja parameetrid on soovitatud kasutamiseks. \u00dchendusele kuuluvad pealkirjade keelatud v\u00e4ljad on t\u00e4psemalt m\u00e4\u00e4ratletud.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57309\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u0438\u0442\u0435\u0442 IETF (Internet Engineering Task Force), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430, \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u043b \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 RFC \u0434\u043b\u044f \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 HTTP\/3.0 \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u043d\u0438\u043c \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e\u0434 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u0430\u043c\u0438 RFC 9114 (\u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b) \u0438 RFC 9204 (\u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f \u0441\u0436\u0430\u0442\u0438\u0435 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u043e\u0432 QPACK \u0434\u043b\u044f HTTP\/3). \u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f HTTP\/3.0 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0430 \u0441\u0442\u0430\u0442\u0443\u0441 &#171;\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430&#187;, 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