{"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\/novosti-interneta\/otkryt-instrumentarij-dlya-programmiruemyh-ethernet-kommutatorov-intel-tofino","title":{"rendered":"Das Toolset f\u00fcr programmierbare Ethernet-Switches von Intel Tofino ist jetzt verf\u00fcgbar.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Intel hat ein Toolset ver\u00f6ffentlicht, mit dem benutzerdefinierte Anwendungen zur Paketverarbeitung in den programmierbaren Ethernet-Switches der Serie Tofino erstellt werden k\u00f6nnen. Der Quellcode des Backends f\u00fcr den Compiler p4c sowie Komponenten der Entwicklungsumgebung Intel P4 Studio, wie Treiber, das Simulationsmodell des Switches, ein Server und ein Client f\u00fcr das BF Runtime-Protokoll, wurden unter der Apache 2.0-Lizenz freigegeben. F\u00fcr die Anwendungsentwicklung wird die anwendungsorientierte Programmiersprache P4 (Programming Protocol-independent Packet Processors) verwendet, die dazu dient, die Logik der Paketverarbeitung in Netzwerkger\u00e4ten wie Netzwerkkarten, Switches, Routern und Firewalls zu definieren.     <\/p>\n<p>Das ver\u00f6ffentlichte Backend erm\u00f6glicht die \u00dcbersetzung von Programmen in P4 in ein Format, das f\u00fcr die Installation auf den Switches der Intel Tofino-Serie geeignet ist. Dadurch k\u00f6nnen Benutzer dieser Switches Anwendungen erstellen, die die standardm\u00e4\u00dfige Funktionalit\u00e4t erweitern, die Logik der Verarbeitung \u00e4ndern oder das Ger\u00e4t an die spezifischen Anforderungen ihrer Netzwerke anpassen.     <\/p>\n<p>Programme in der Sprache P4 werden in Darstellungen f\u00fcr Zielplattformen kompiliert, die sowohl Hardware (FPGA, programmierbare ASICs) als auch Software (x86, BPF) sein k\u00f6nnen. Neben dem Code zur Installation auf den Zielsystemen generiert der Compiler zur Verwaltung der Anwendung zur Laufzeit mit den Protokollen Protobuf\/gRPC und der API P4Runtime.      <\/p>\n<p>Die typische Logik von Programmen reduziert sich auf die Klassifizierung von Paketen anhand ihrer Header und die Ausf\u00fchrung von Aktionen auf eingehenden Paketen, wie z.B. Weiterleitung, Verwerfen, Modifizieren des TTL und Ersetzen von Feldern. Die Sprache ist nicht an Netzwerkprotokolle gebunden und bietet anstelle einer eingebauten Unterst\u00fctzung typischer Protokolle wie IP, Ethernet, TCP und VxLAN den Entwicklern die M\u00f6glichkeit, beliebige Protokolle im Zusammenhang mit den zu kompilierenden Anwendungen zu definieren (der Entwickler f\u00fcgt eine Beschreibung der Headerformate und der Protokollfelder hinzu).       <center><img decoding=\"async\" alt=\"Das Toolset f\u00fcr programmierbare Ethernet-Switches von 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 Intel Tofino-Switches stellt das P4-Projekt ein Backend zur Verf\u00fcgung, um P4-Anwendungen in C-Code zu kompilieren, 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 im virtuellen Netzwerk Mininet verwendet werden kann, sowie ein Backend zur 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-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - 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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Der Quellcode f\u00fcr das Backend des P4-Compilers sowie Komponenten der Intel P4 Studio Entwicklungsumgebung, wie Treiber, das Simulator-Modell des Switches und Server und Client f\u00fcr das BF Runtime-Protokoll, wurde unter der Lizenz Apache 2.0 ver\u00f6ffentlicht. Zur Anwendungsentwicklung wird die dom\u00e4nenspezifische Programmiersprache P4 verwendet.","canonical_url":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/otkryt-instrumentarij-dlya-programmiruemyh-ethernet-kommutatorov-intel-tofino","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"de_DE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u0442\u043a\u0440\u044b\u0442 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u0443\u0435\u043c\u044b\u0445 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