{"id":100306,"date":"2021-05-28T10:22:53","date_gmt":"2021-05-28T08:22:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/protokol-quic-poluchil-status-predlozhennogo-standarta"},"modified":"2021-05-28T10:22:53","modified_gmt":"2021-05-28T08:22:53","slug":"protokol-quic-poluchil-status-predlozhennogo-standarta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/protokol-quic-poluchil-status-predlozhennogo-standarta","title":{"rendered":"El protocolo QUIC ha recibido el estatus de est\u00e1ndar propuesto","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>El Comit\u00e9 IETF (Internet Engineering Task Force), encargado del desarrollo de protocolos y arquitectura de internet, ha finalizado la creaci\u00f3n del RFC para el protocolo QUIC y ha publicado las especificaciones relacionadas bajo los identificadores RFC 8999 (propiedades del protocolo independientes de la versi\u00f3n), RFC 9000 (transporte sobre UDP), RFC 9001 (cifrado TLS del canal de comunicaci\u00f3n QUIC) y RFC 9002 (gesti\u00f3n de sobrecarga y determinaci\u00f3n de p\u00e9rdida de paquetes durante la transmisi\u00f3n de datos).     <\/p>\n<p>RFC recibi\u00f3 el estatus de \"Est\u00e1ndar Propuesto\", tras lo cual comenzar\u00e1 el trabajo para otorgar al RFC el estatus de est\u00e1ndar en borrador (Draft Standard), lo que significa, en la pr\u00e1ctica, una estabilizaci\u00f3n completa del protocolo y la consideraci\u00f3n de todos los comentarios realizados. El protocolo HTTP\/3, que define el uso del protocolo QUIC como transporte para HTTP\/2, todav\u00eda se encuentra en la fase de especificaci\u00f3n en borrador, pero en breve tambi\u00e9n ser\u00e1 finalmente estandarizado en IETF.     <\/p>\n<p>Se espera que la estandarizaci\u00f3n de QUIC impulse una adopci\u00f3n m\u00e1s amplia de este protocolo y el desarrollo de extensiones basadas en \u00e9l, como WebTransport (una tecnolog\u00eda para el env\u00edo y recepci\u00f3n de datos entre el navegador y <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/dts-prohoster\/\"   title=\"el servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3011\">el servidor<\/a>) y MASQUE (una tecnolog\u00eda de proxy de conexiones que ampl\u00eda las capacidades de SOCKS y HTTP CONNECT, utilizando HTTPS sobre QUIC como transporte).            <\/p>\n<p>Recordemos que el protocolo QUIC (Conexiones R\u00e1pidas por UDP para Internet) ha sido desarrollado por Google desde 2013 como una alternativa a la combinaci\u00f3n TCP+TLS para la Web, resolviendo problemas con el largo tiempo de establecimiento y negociaci\u00f3n de conexiones en TCP y eliminando latencias debido a p\u00e9rdidas de paquetes durante la transmisi\u00f3n de datos. QUIC es una capa sobre el protocolo UDP que soporta multiplexi\u00f3n de m\u00faltiples conexiones y proporciona m\u00e9todos de cifrado equivalentes a TLS\/SSL. Durante el proceso de desarrollo por parte del IETF, se realizaron cambios en el protocolo que dieron lugar a la existencia de dos ramas paralelas, una para HTTP\/3 y la otra mantenida por Google (Chrome soporta ambas variantes, mientras que Firefox soporta la variante del IETF).         <\/p>\n<p>Caracter\u00edsticas principales de QUIC:  <\/p>\n<ul>\n<li class=\"l\"> Alta seguridad, similar a TLS (de hecho, QUIC permite el uso de TLS sobre UDP);  <\/li>\n<li class=\"l\"> Control de integridad del flujo, previniendo la p\u00e9rdida de paquetes;    <\/li>\n<li class=\"l\"> Posibilidad de establecer conexi\u00f3n de inmediato (0-RTT, en aproximadamente el 75% de los casos, los datos se pueden transmitir inmediatamente despu\u00e9s de enviar el paquete de establecimiento de conexi\u00f3n) y asegurar m\u00ednimas latencias entre el env\u00edo de la solicitud y la recepci\u00f3n de la respuesta (RTT, Round Trip Time);    <\/li>\n<li class=\"l\"> El uso de un n\u00famero de secuencia diferente al retransmitir un paquete, lo que permite evitar ambig\u00fcedades al determinar los paquetes recibidos y eliminar los tiempos de espera;  <\/li>\n<li class=\"l\"> La p\u00e9rdida de paquetes afecta solo a la entrega de la corriente asociada y no detiene la entrega de datos en las corrientes que se transmiten en paralelo a trav\u00e9s de la conexi\u00f3n actual;    <\/li>\n<li class=\"l\"> Mecanismos de correcci\u00f3n de errores que minimizan la latencia debido a la retransmisi\u00f3n de paquetes perdidos. Uso de c\u00f3digos especiales de correcci\u00f3n de errores a nivel de paquete para reducir situaciones que requieren la retransmisi\u00f3n de datos de un paquete perdido.   <\/li>\n<li class=\"l\"> Los l\u00edmites de los bloques criptogr\u00e1ficos est\u00e1n alineados con los l\u00edmites de los paquetes QUIC, lo que reduce el impacto de la p\u00e9rdida de paquetes en la decodificaci\u00f3n del contenido de los siguientes paquetes;    <\/li>\n<li class=\"l\"> Ausencia de problemas de bloqueo de la cola TCP;    <\/li>\n<li class=\"l\"> Soporte para un identificador de conexi\u00f3n que permite reducir el tiempo de establecimiento de una nueva conexi\u00f3n para clientes m\u00f3viles;  <\/li>\n<li class=\"l\"> Capacidad de conectar mecanismos avanzados de control de congesti\u00f3n de la conexi\u00f3n;  <\/li>\n<li class=\"l\"> Uso de t\u00e9cnicas de predicci\u00f3n de ancho de banda en cada direcci\u00f3n para asegurar la intensidad \u00f3ptima de env\u00edo de paquetes, evitando caer en un estado de congesti\u00f3n donde se observa la p\u00e9rdida de paquetes;    <\/li>\n<li class=\"l\">  Incremento significativo en el rendimiento y la capacidad de transmisi\u00f3n en comparaci\u00f3n con TCP. Para servicios de video como YouTube, la implementaci\u00f3n de QUIC ha demostrado reducir las operaciones de rebuffering al ver videos en un 30%.          <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55226\">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 QUIC \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 8999 (\u043d\u0435\u0437\u0430\u0432\u0438\u0441\u044f\u0449\u0438\u0435 \u043e\u0442 \u0432\u0435\u0440\u0441\u0438\u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430), RFC 9000 (\u0442\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442 \u043f\u043e\u0432\u0435\u0440\u0445 UDP), RFC 9001 (TLS-\u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u0430\u043d\u0430\u043b\u0430 \u0441\u0432\u044f\u0437\u0438 QUIC) \u0438 RFC 9002(\u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u043e\u0439 \u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u0442\u0435\u0440\u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0435 \u0434\u0430\u043d\u043d\u044b\u0445). [&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-100306","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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