{"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\/pl\/blog\/news\/otkryt-instrumentarij-dlya-programmiruemyh-ethernet-kommutatorov-intel-tofino","title":{"rendered":"Otwarty zestaw narz\u0119dzi dla programowalnych prze\u0142\u0105cznik\u00f3w Ethernet Intel Tofino","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Firma Intel udost\u0119pni\u0142a zestaw narz\u0119dzi umo\u017cliwiaj\u0105cy tworzenie w\u0142asnych aplikacji do przetwarzania pakiet\u00f3w w programowalnych prze\u0142\u0105cznikach serii Tofino. Zgodnie z licencj\u0105 Apache 2.0 opublikowano kod \u017ar\u00f3d\u0142owy backendu kompilatora p4c oraz komponent\u00f3w \u015brodowiska deweloperskiego Intel P4 Studio, takich jak sterowniki, model symulacji prze\u0142\u0105cznika, serwer i klient dla protoko\u0142u BF Runtime. Do tworzenia aplikacji stosuje si\u0119 j\u0119zyk programowania P4 (Programming Protocol-independent Packet Processors), przeznaczony do definiowania logiki przetwarzania pakiet\u00f3w w urz\u0105dzeniach sieciowych, takich jak karty sieciowe, prze\u0142\u0105czniki, routery i zapory sieciowe. <\/p>\n

Opublikowany backend umo\u017cliwia translacj\u0119 program\u00f3w w j\u0119zyku P4 do postaci gotowej do zainstalowania na prze\u0142\u0105cznikach serii Intel Tofino. Dzi\u0119ki temu u\u017cytkownicy prze\u0142\u0105cznik\u00f3w mog\u0105 tworzy\u0107 aplikacje, kt\u00f3re rozszerzaj\u0105 standardow\u0105 funkcjonalno\u015b\u0107, zmieniaj\u0105 logik\u0119 dzia\u0142ania lub dostosowuj\u0105 urz\u0105dzenie do specyfiki swoich sieci. <\/p>\n

Programy w j\u0119zyku P4 s\u0105 kompilowane do postaci dla docelowych platform, kt\u00f3re mog\u0105 by\u0107 zar\u00f3wno sprz\u0119towe (FPGA, programowalne ASIC), jak i programowe (x86, BPF). Razem z kodem do instalacji na docelowych systemach kompilator generuje runtime do zarz\u0105dzania aplikacj\u0105 z u\u017cyciem protoko\u0142\u00f3w Protobuf\/gRPC oraz API P4Runtime. <\/p>\n

Standardowa logika dzia\u0142ania program\u00f3w sprowadza si\u0119 do klasyfikacji pakiet\u00f3w na podstawie ich nag\u0142\u00f3wk\u00f3w oraz wykonywania dzia\u0142a\u0144 na przychodz\u0105cych pakietach, takich jak przekierowywanie, odrzucanie, zmiana TTL i zamiana p\u00f3l. J\u0119zyk nie jest zwi\u0105zany z protoko\u0142ami sieciowymi i zamiast wbudowanej obs\u0142ugi typowych protoko\u0142\u00f3w, takich jak IP, Ethernet, TCP i VxLAN, daje deweloperom mo\u017cliwo\u015b\u0107 definiowania dowolnych protoko\u0142\u00f3w w odniesieniu do kompilowanych aplikacji (deweloper do\u0142\u0105cza opis format\u00f3w nag\u0142\u00f3wk\u00f3w i p\u00f3l protoko\u0142u).

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

Opr\u00f3cz opublikowanego backendu dla prze\u0142\u0105cznik\u00f3w Intel Tofino, projekt P4 oferuje backend do kompilacji aplikacji w j\u0119zyku P4 do kodu w j\u0119zyku C, kt\u00f3ry nast\u0119pnie mo\u017ce by\u0107 skompilowany do formatu odpowiedniego do wykonania w maszynie wirtualnej<\/a> eBPF wewn\u0105trz j\u0105dra Linux. Projekt rozwija tak\u017ce otwarty symulator prze\u0142\u0105cznika, kt\u00f3ry mo\u017cna wykorzysta\u0107 do przeprowadzania eksperyment\u00f3w w wirtualnej sieci Mininet oraz backend do kompilacji program\u00f3w P4 dla symulatora.
\n
\u0179r\u00f3d\u0142o: 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\udd47Otworzono narz\u0119dzie dla programowalnych prze\u0142\u0105cznik\u00f3w Ethernet Intel Tofino | ProHoster","description":"Firma 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