{"id":115792,"date":"2024-05-15T08:59:29","date_gmt":"2024-05-15T06:59:29","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-openbsd-realizovana-nastrojka-vklyuchayushhaya-rezhim-tcp_nodelay-dlya-vsej-sistemy"},"modified":"2026-02-14T13:19:52","modified_gmt":"2026-02-14T11:19:52","slug":"dlya-openbsd-realizovana-nastrojka-vklyuchayushhaya-rezhim-tcp_nodelay-dlya-vsej-sistemy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/dlya-openbsd-realizovana-nastrojka-vklyuchayushhaya-rezhim-tcp_nodelay-dlya-vsej-sistemy","title":{"rendered":"W OpenBSD wprowadzono ustawienie, kt\u00f3re w\u0142\u0105cza tryb TCP_NODELAY dla ca\u0142ego systemu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u0414\u0436\u043e\u0431 \u0421\u043d\u0435\u0439\u0434\u0435\u0440\u0441 (Job Snijders), \u043c\u0430\u0441\u0442\u0438\u0442\u044b\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a OpenBSD, \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u043a\u043e\u043c\u0438\u0442\u0435\u0442\u043e\u0432 \u0432 IETF (Internet Engineering Task Force), \u0430\u0432\u0442\u043e\u0440 11 RFC, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0438 RPKI, \u0438 \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044c IRRd (Internet Routing Registry Daemon), \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0434\u043b\u044f OpenBSD, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0445 \u043d\u043e\u0432\u044b\u0439 sysctl-\u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 «net.inet.tcp.nodelay» \u0434\u043b\u044f \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 \u041d\u0435\u0439\u0433\u043b\u0430 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u0432\u0441\u0435\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b. \u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 \u0438\u0437\u0431\u0430\u0432\u043b\u044f\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043e\u0442 \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0444\u043b\u0430\u0433\u0430 TCP_NODELAY \u0434\u043b\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0441\u043e\u043a\u0435\u0442\u043e\u0432. <\/p>\n

\u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u041d\u0435\u0439\u0433\u043b\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0430\u0433\u0440\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043c\u0435\u043b\u043a\u0438\u0445 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 \u0441 \u0446\u0435\u043b\u044c\u044e \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u0442\u0440\u0430\u0444\u0438\u043a\u0430. \u0410\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u043f\u0440\u0438\u043e\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u043d\u043e\u0432\u044b\u0445 \u0441\u0435\u0433\u043c\u0435\u043d\u0442\u043e\u0432 TCP \u0434\u043e \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u044f \u043e \u043f\u0440\u0438\u0451\u043c\u0435 \u0440\u0430\u043d\u0435\u0435 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u043b\u0438 \u0434\u043e \u043d\u0430\u0441\u0442\u0443\u043f\u043b\u0435\u043d\u0438\u044f \u0442\u0430\u0439\u043c\u0430\u0443\u0442\u0430. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0431\u0435\u0437 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0430\u0433\u0440\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0435 1 \u0431\u0430\u0439\u0442\u0430, \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f 40 \u0431\u0430\u0439\u0442\u043e\u0432 \u0441 TCP \u0438 IP \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0430\u043c\u0438 \u043f\u0430\u043a\u0435\u0442\u0430, \u0430 \u0441 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435\u043c \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 \u041d\u0435\u0439\u0433\u043b\u0430 — \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f, \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0434\u043e \u043f\u0440\u0438\u0445\u043e\u0434\u0430 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u044f \u043e\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b, \u043d\u0430\u043a\u0430\u043f\u043b\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043e\u0434\u043d\u0438\u043c \u043f\u0430\u043a\u0435\u0442\u043e\u043c. \u0418\u0437-\u0437\u0430 \u043d\u0430\u043b\u0438\u0447\u0438\u044f \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 «delayed ACK», \u0437\u0430\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 ACK-\u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u0441\u0438\u0433\u043d\u0430\u043b \u0447\u0435\u0440\u0435\u0437 \u043f\u0430\u043a\u0435\u0442\u044b \u0441 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u0435\u043c \u043d\u0430 \u0434\u0435\u043b\u0435 \u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442, \u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0430 \u043d\u0430\u043a\u043e\u043f\u043b\u0435\u043d\u043d\u044b\u0445 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u043d\u0430\u0441\u0442\u0443\u043f\u043b\u0435\u043d\u0438\u0438 \u0442\u0430\u0439\u043c\u0430\u0443\u0442\u0430. <\/p>\n

Snijders twierdzi, \u017ce w dzisiejszych realiach algorytm Nagla, opracowany w czasach, gdy kilku u\u017cytkownik\u00f3w konkurowa\u0142o o pasmo 1200 bod\u00f3w, jest przestarza\u0142y i w sieciach wysokiej przepustowo\u015bci<\/a> przynosi wi\u0119cej szkody ni\u017c po\u017cytku. Niedawno podobne stanowisko wyrazi\u0142 Marc Brooker z firmy Amazon Web Services (AWS). Argumenty na rzecz domy\u015blnego wy\u0142\u0105czenia algorytmu Nagla mo\u017cna znale\u017a\u0107 w notatce opublikowanej kilka dni temu. <\/p>\n

Aby wy\u0142\u0105czy\u0107 algorytm Nagla, przewidziano opcj\u0119 TCP_NODELAY, kt\u00f3ra mo\u017ce by\u0107 ustawiana dla poszczeg\u00f3lnych gniazd sieciowych. Tryb TCP_NODELAY jest ju\u017c od dawna stosowany w wielu aplikacjach OpenBSD, takich jak openssh, httpd, iscsid, relayd, bgpd i unwind, a zdaniem Snijdersa nadszed\u0142 czas na zapewnienie mo\u017cliwo\u015bci jego w\u0142\u0105czenia dla wszystkich gniazd TCP na poziomie ca\u0142ego systemu. Snijders proponuje r\u00f3wnie\u017c om\u00f3wi\u0107 kwesti\u0119 domy\u015blnego w\u0142\u0105czenia TCP_NODELAY oraz przekszta\u0142cenia algorytmu Nagla w osobn\u0105, opcjonaln\u0105 funkcj\u0119.
\n
\u0179r\u00f3d\u0142o: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u0436\u043e\u0431 \u0421\u043d\u0435\u0439\u0434\u0435\u0440\u0441 (Job Snijders), \u043c\u0430\u0441\u0442\u0438\u0442\u044b\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a OpenBSD, \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u043a\u043e\u043c\u0438\u0442\u0435\u0442\u043e\u0432 \u0432 IETF (Internet Engineering Task Force), \u0430\u0432\u0442\u043e\u0440 11 RFC, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0438 RPKI, \u0438 \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044c IRRd (Internet Routing Registry Daemon), \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0434\u043b\u044f OpenBSD, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0445 \u043d\u043e\u0432\u044b\u0439 sysctl-\u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 «net.inet.tcp.nodelay» \u0434\u043b\u044f \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 \u041d\u0435\u0439\u0433\u043b\u0430 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u0432\u0441\u0435\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b. \u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 \u0438\u0437\u0431\u0430\u0432\u043b\u044f\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043e\u0442 \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-115792","post","type-post","status-publish","format-standard","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\udd47Dla OpenBSD wprowadzono konfiguracj\u0119, kt\u00f3ra obejmuje tryb TCP_NODELAY dla ca\u0142ego systemu | ProHoster","description":"Job Snijders, znany deweloper OpenBSD, przewodnicz\u0105cy jednego z komitet\u00f3w IETF (Internet Engineering Task Force), autor 11 RFC zwi\u0105zanych z trasowaniem i RPKI, oraz tw\u00f3rca IRRd 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