{"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\/de\/blog\/news\/otkryt-instrumentarij-dlya-programmiruemyh-ethernet-kommutatorov-intel-tofino","title":{"rendered":"Das Werkzeug f\u00fcr programmierbare Ethernet-Switches Intel Tofino ist jetzt verf\u00fcgbar.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Die Firma Intel hat ein Werkzeug ver\u00f6ffentlicht, mit dem eigene Anwendungen zur Verarbeitung von Paketen in den programmierbaren Ethernet-Switches der Serie Tofino erstellt werden k\u00f6nnen. Unter der Lizenz Apache 2.0 wird der Quellcode des Backends f\u00fcr den Compiler p4c sowie Komponenten der Entwicklungsumgebung Intel P4 Studio, wie Treiber, das Simulationsmodell des Switches, Server und Client f\u00fcr das Protokoll BF Runtime, bereitgestellt. Zur Erstellung von Anwendungen wird die domain-spezifische Programmiersprache P4 (Programming Protocol-independent Packet Processors) verwendet, die zur Definition der Logik der Paketverarbeitung in Netzwerkger\u00e4ten wie Netzwerkkarten, Switches, Routern und Firewalls dient.     <\/p>\n<p>Das ver\u00f6ffentlichte Backend erm\u00f6glicht das \u00dcbersetzen von Programmen in der Sprache P4 in eine Form, die f\u00fcr die Installation auf den Switches der Intel Tofino Serie geeignet ist. Dadurch k\u00f6nnen die Nutzer der Switches Anwendungen erstellen, die die standardm\u00e4\u00dfige Funktionalit\u00e4t erweitern, die Logik der Verarbeitung \u00e4ndern oder das Ger\u00e4t an die Besonderheiten ihrer Netzwerke anpassen.     <\/p>\n<p>Programme in der Sprache P4 werden in Darstellungen f\u00fcr Zielplattformen kompiliert, die sowohl hardwarebasiert (FPGA, programmierbare ASIC) als auch softwarebasiert (x86, BPF) sein k\u00f6nnen. Zusammen mit dem Code f\u00fcr die Installation auf den Zielsystemen generiert der Compiler eine Laufzeitumgebung zur Verwaltung der Anwendung unter Verwendung der Protokolle Protobuf\/gRPC und der API P4Runtime.      <\/p>\n<p>Die typische Logik der Programme besteht darin, Pakete anhand ihrer Header zu klassifizieren und Aktionen an eingehenden Paketen auszuf\u00fchren, wie etwa Weiterleitung, Verwerfen, \u00c4ndern des TTL-Werts und Ersetzen von Feldern. Die Sprache ist nicht an Netzwerkprotokolle gebunden und bietet anstelle einer festen Unterst\u00fctzung g\u00e4ngiger Protokolle wie IP, Ethernet, TCP und VxLAN Entwicklern die M\u00f6glichkeit, beliebige Protokolle in Bezug auf die zu kompilierenden Anwendungen zu definieren (der Entwickler f\u00fcgt die Beschreibung der Headerformate und Protokollfelder bei).       <center><img decoding=\"async\" alt=\"Das Werkzeug f\u00fcr programmierbare Ethernet-Switches Intel Tofino ist jetzt verf\u00fcgbar.\" src=\"\/wp-content\/uploads\/2025\/01\/5257aee13a4cbe99400a63343098d975.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Neben dem ver\u00f6ffentlichten Backend f\u00fcr die Intel Tofino Switches stellt das P4-Projekt ein Backend zur Verf\u00fcgung, mit dem P4-Anwendungen in C-Code kompiliert werden, der dann in ein ausf\u00fchrbares Format kompiliert werden kann. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/vps\/abuzoustojchivye-vps\/\"   title=\"virtuellen Maschine\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4311\">virtuellen Maschine<\/a> eBPF im Linux-Kernel. Das Projekt entwickelt auch einen offenen Switch-Simulator, der f\u00fcr Experimente in einem virtuellen Mininet-Netzwerk verwendet werden kann, sowie einen Backend f\u00fcr die Kompilierung von P4-Programmen f\u00fcr den Simulator.<br \/>\n<br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62586\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 [&hellip;]<\/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<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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