{"id":110925,"date":"2023-10-18T21:10:24","date_gmt":"2023-10-18T19:10:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-otkryl-tehnologiyu-peredachi-dannyh-falcon"},"modified":"2023-10-18T21:10:24","modified_gmt":"2023-10-18T19:10:25","slug":"google-otkryl-tehnologiyu-peredachi-dannyh-falcon","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/google-otkryl-tehnologiyu-peredachi-dannyh-falcon","title":{"rendered":"Google ha abierto la tecnolog\u00eda de transmisi\u00f3n de datos Falcon.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La compa\u00f1\u00eda Google ha anunciado la apertura de la tecnolog\u00eda de transmisi\u00f3n de datos Falcon (hardware transport, nivel de transporte acelerado por hardware) y su traslado al proyecto Open Compute, destinado al desarrollo colaborativo de especificaciones abiertas de hardware para equipar centros de datos. Falcon se presenta como Ethernet de pr\u00f3xima generaci\u00f3n, capaz de aumentar el ancho de banda y mejorar la eficiencia de la transmisi\u00f3n de datos en las redes existentes basadas en Ethernet y TCP\/IP, cr\u00edticas en cuanto a ancho de banda y latencias, como las redes para sistemas de computaci\u00f3n de alto rendimiento e inteligencia artificial.    <\/p>\n<p>El protocolo se escala para redes de centros de datos y est\u00e1 dise\u00f1ado para asegurar un alto rendimiento predecible, bajas latencias, flexibilidad y escalabilidad. El primer soporte para Falcon ser\u00e1 proporcionado en los aceleradores de red de la serie Intel IPU E2000 (Unidad de Procesamiento de Infraestructura), que combinan un adaptador Ethernet con un procesador programable, en el que se pueden desplazar operaciones que normalmente se realizan en el lado de la pila de red o del sistema, como la gesti\u00f3n del tr\u00e1fico, el control de sobrecargas y el an\u00e1lisis de protocolos de alto nivel.     <\/p>\n<p>Para alcanzar bajas latencias en redes Ethernet de alta velocidad que permiten p\u00e9rdidas de paquetes, Falcon utiliza tres principios: medici\u00f3n detallada de las latencias entre el env\u00edo de la solicitud y la recepci\u00f3n de la respuesta (RTT, tiempo de ida y vuelta), reducci\u00f3n de tr\u00e1fico implementada por hardware vinculada a flujos individuales y retransmisi\u00f3n r\u00e1pida y precisa de paquetes. Estas propiedades se complementan con medios para el acceso simult\u00e1neo a m\u00faltiples canales (Multipath) y soporte para la encriptaci\u00f3n de conexiones.      <\/p>\n<p>En la implementaci\u00f3n de Falcon se utilizan las siguientes tecnolog\u00edas:  <\/p>\n<ul>\n<li class=\"l\"> Carousel \u2014 un mecanismo de limitaci\u00f3n de tr\u00e1fico (Traffic Shaping) que permite regular el ancho de banda y la intensidad del flujo de paquetes en funci\u00f3n de hosts individuales.\n<li class=\"l\"> Snap \u2014 una subsistema de red basado en microkernel, extensible mediante m\u00f3dulos que permiten a\u00f1adir funcionalidades avanzadas, como virtualizaci\u00f3n de red, limitaci\u00f3n de tr\u00e1fico y entrega de mensajes.\n<li class=\"l\"> Swift \u2014 un mecanismo de control de congesti\u00f3n (Congestion Control) para redes de centros de datos, que permite lograr latencias de menos de 50 microsegundos para mensajes RPC cortos mientras mantiene un ancho de banda de 100Gbps. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\">servidor<\/a> cargas cercanas al 100%.\n<li class=\"l\"> RACK-TLP \u2014 un algoritmo para detectar la p\u00e9rdida de paquetes en TCP.\n<li class=\"l\"> PLB \u2014 un mecanismo de balanceo de carga que utiliza se\u00f1ales de congesti\u00f3n. Despu\u00e9s de implementar PLB en las redes de Google, el desbalanceo de carga en los conmutadores se redujo en un 60%, las p\u00e9rdidas de paquetes disminuyeron en un 33% y las latencias en la entrega de mensajes RPC cortos se redujeron en un 25%.\n<li class=\"l\"> CSIG (Congestion Signaling) \u2014 un protocolo de intercambio de telemetr\u00eda utilizado para enviar se\u00f1ales de congesti\u00f3n y gestionar el tr\u00e1fico.\n<li class=\"l\"> PSP (PSP Security Protocol) \u2014 un protocolo de cifrado de tr\u00e1fico.  <\/ul>\n<p>Falcon utiliza RDMA y NVM Express como protocolos de nivel superior, pero tambi\u00e9n permite a\u00f1adir soporte para otros protocolos de nivel superior en forma de extensiones. La funcionalidad de Falcon se define en tres niveles: el nivel para el mapeo a protocolos de nivel superior (ULP Mapping), el nivel de transacciones y el nivel de entrega de paquetes. En el primer nivel se gestiona el flujo, se procesan mensajes y se lleva a cabo el mapeo a niveles superiores. En el segundo nivel se realiza la planificaci\u00f3n, gesti\u00f3n de recursos y ordenaci\u00f3n. En el tercer nivel se gestiona la congesti\u00f3n, se limita el tr\u00e1fico, se mantiene la fiabilidad y se permite el uso simult\u00e1neo de diferentes canales (Multipathing).                <center><img decoding=\"async\" alt=\"Google ha abierto la tecnolog\u00eda de transmisi\u00f3n de datos Falcon. \" src=\"\/wp-content\/uploads\/2023\/10\/b8f7aa69bca7bd2d5b2b47ff424d330d.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59949\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 Falcon (hardware transport, \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u043d\u044b\u0439 \u0442\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c) \u0438 \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 \u0435\u0451 \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0432 \u043f\u0440\u043e\u0435\u043a\u0442 Open Compute, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u043d\u0430 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0435 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043b\u044f \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u0438\u044f \u0434\u0430\u0442\u0430\u0446\u0435\u043d\u0442\u0440\u043e\u0432. Falcon \u043f\u0440\u0435\u043f\u043e\u0434\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a\u0430\u043a Ethernet \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b\u0439 \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u0443\u044e \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0445 \u0441\u0435\u0442\u044f\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":110926,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-110925","post","type-post","status-publish","format-standard","has-post-thumbnail","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\u043f\u0430\u043d\u0438\u044f Google \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 Falcon (hardware transport, \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u043d\u044b\u0439 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