{"id":96109,"date":"2020-10-08T01:42:56","date_gmt":"2020-10-07T23:42:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-chrome-nachalas-aktivacziya-ietf-quic-i-http-3"},"modified":"2020-10-08T01:42:56","modified_gmt":"2020-10-07T23:42:56","slug":"v-chrome-nachalas-aktivacziya-ietf-quic-i-http-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/v-chrome-nachalas-aktivacziya-ietf-quic-i-http-3","title":{"rendered":"In Chrome \u00e8 iniziata l'attivazione di IETF QUIC e HTTP\/3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Google ha annunciato<\/a><\/noindex> sull'inizio della sostituzione della propria versione del protocollo QUIC<\/a><\/noindex> con quella sviluppata nella specifica IETF. La versione QUIC di Google utilizzata in Chrome differisce in alcuni dettagli dalla versione della specifica IETF<\/a><\/noindex>. Chrome supporta entrambe le versioni del protocollo, ma per impostazione predefinita utilizza ancora la propria versione di QUIC. <\/p>\n

Da oggi, il 25% degli utenti della versione stabile di Chrome \u00e8 passato all'uso di IETF QUIC e la percentuale di questi utenti aumenter\u00e0 nel prossimo futuro. Secondo le statistiche di Google, rispetto all'HTTP su TCP+TLS 1.3, il protocollo IETF QUIC ha mostrato una riduzione delle latenze nelle ricerche di Google del 2% e una diminuzione del tempo di buffering su YouTube del 9%, con un aumento della larghezza di banda del 3% per i sistemi desktop e del 7% per i sistemi mobili.<\/p>\n

HTTP\/3 standardizza<\/a><\/noindex> l'uso del protocollo QUIC come trasporto per HTTP\/2. Il protocollo QUIC (Quick UDP Internet Connections) \u00e8 in sviluppo da Google dal 2013 come alternativa alla combinazione TCP+TLS per il web, affrontando i problemi di elevate latenze nella connessione e risolvendo ritardi causati dalla perdita di pacchetti durante il trasferimento dei dati. QUIC \u00e8 un'estensione del protocollo UDP, che supporta il multiplexing di pi\u00f9 connessioni e fornisce metodi di crittografia equivalenti a TLS\/SSL. Durante il processo di standardizzazione in IETF sono state apportate modifiche al protocollo, portando alla creazione di due rami paralleli, uno per HTTP\/3 e l'altro supportato da Google.<\/p>\n

<\/a><\/noindex><\/p>\n

Fonte: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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La versione di QUIC di Google utilizzata in Chrome presenta alcune differenze rispetto alla versione della specifica IETF. Chrome supporta entrambe le versioni del protocollo, ma fino ad ora ha utilizzato per default la propria versione di QUIC. 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