{"id":121433,"date":"2025-01-20T21:46:10","date_gmt":"2025-01-20T19:46:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/otkryt-instrumentarij-dlya-programmiruemyh-ethernet-kommutatorov-intel-tofino"},"modified":"2025-01-20T21:46:10","modified_gmt":"2025-01-20T19:46:11","slug":"otkryt-instrumentarij-dlya-programmiruemyh-ethernet-kommutatorov-intel-tofino","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/otkryt-instrumentarij-dlya-programmiruemyh-ethernet-kommutatorov-intel-tofino","title":{"rendered":"Se ha abierto un conjunto de herramientas para conmutadores Ethernet programables Intel Tofino","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

La empresa Intel ha lanzado una herramienta que permite crear aplicaciones personalizadas para el procesamiento de paquetes en los conmutadores Ethernet programables de la serie Tofino. Bajo la licencia Apache 2.0 se ha publicado el c\u00f3digo fuente del backend para el compilador p4c y de los componentes del entorno de desarrollo Intel P4 Studio, como controladores, modelo de simulaci\u00f3n del conmutador, servidor y cliente para el protocolo BF Runtime. Para la creaci\u00f3n de aplicaciones, se utiliza el lenguaje de programaci\u00f3n orientado a dominios P4 (Programming Protocol-independent Packet Processors), que est\u00e1 destinado a definir la l\u00f3gica de procesamiento de paquetes en dispositivos de red, como tarjetas de red, conmutadores, routers y cortafuegos. <\/p>\n

El backend publicado permite traducir programas en P4 a una representaci\u00f3n adecuada para su instalaci\u00f3n en los conmutadores de la serie Intel Tofino. Gracias a esto, los usuarios de los conmutadores pueden crear aplicaciones que ampl\u00edan la funcionalidad b\u00e1sica, alteran la l\u00f3gica operativa o adaptan el dispositivo a las especificidades de sus redes. <\/p>\n

Los programas en P4 se compilan en representaciones para plataformas de destino, que pueden ser tanto hardware (FPGA, ASIC programables) como software (x86, BPF). Junto con el c\u00f3digo para su instalaci\u00f3n en los sistemas de destino, el compilador genera un runtime para gestionar la aplicaci\u00f3n utilizando protocolos Protobuf\/gRPC y la API P4Runtime. <\/p>\n

La l\u00f3gica t\u00edpica de funcionamiento de los programas se reduce a clasificar paquetes por sus encabezados y ejecutar acciones sobre paquetes entrantes, como redirecci\u00f3n, rechazo, modificaci\u00f3n de TTL y reemplazo de campos. El lenguaje no est\u00e1 atado a protocolos de red y, en lugar de ofrecer soporte incorporado para protocolos t\u00edpicos como IP, Ethernet, TCP y VxLAN, brinda a los desarrolladores la posibilidad de definir cualquier protocolo en relaci\u00f3n con las aplicaciones compiladas (el desarrollador adjunta una descripci\u00f3n de los formatos de encabezado y campos del protocolo).

\"Se<\/center> <\/p>\n

Adem\u00e1s del backend publicado para los conmutadores Intel Tofino, el proyecto P4 proporciona un backend para compilar aplicaciones P4 en c\u00f3digo en lenguaje C, que luego puede ser compilado en un formato adecuado para la ejecuci\u00f3n en una m\u00e1quina virtual<\/a> eBPF dentro del n\u00facleo de Linux. El proyecto tambi\u00e9n est\u00e1 desarrollando un simulador de conmutador abierto que se puede utilizar para experimentar en la red virtual Mininet, as\u00ed como un backend para compilar programas P4 para el simulador.
\n
Fuente: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Intel \u043e\u0442\u043a\u0440\u044b\u043b\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u0443\u0435\u043c\u044b\u0445 Ethernet-\u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u0430\u0445 \u0441\u0435\u0440\u0438\u0438 Tofino. \u041f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0 \u043e\u0442\u043a\u0440\u044b\u0442 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0439 \u043a\u043e\u0434 \u0431\u044d\u043a\u0435\u0434\u0430 \u043a \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0443 p4c \u0438 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u0441\u0440\u0435\u0434\u044b \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 Intel P4 Studio, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u044b, \u043c\u043e\u0434\u0435\u043b\u044c \u0441\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u0438 \u043a\u043e\u043c\u043c\u0443\u0430\u0442\u043e\u0440\u0430, \u0441\u0435\u0440\u0432\u0435\u0440 \u0438 \u043a\u043b\u0438\u0435\u043d\u0442 \u0434\u043b\u044f \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 BF Runtime. \u0414\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0435\u0434\u043c\u0435\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u044f\u0437\u044b\u043a \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f P4 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":121434,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47 Se ha lanzado una herramienta para los conmutadores Ethernet programables Intel Tofino | ProHoster","description":"La empresa Intel 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