{"id":52859,"date":"2019-11-18T00:00:00","date_gmt":"2019-11-17T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-setevogo-steka-f-stack-1-13-vypolnyaemogo-v-prostranstve-polzovatelya"},"modified":"2020-02-18T14:00:40","modified_gmt":"2020-02-18T11:00:40","slug":"vypusk-setevogo-steka-f-stack-1-13-vypolnyaemogo-v-prostranstve-polzovatelya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-setevogo-steka-f-stack-1-13-vypolnyaemogo-v-prostranstve-polzovatelya","title":{"rendered":"Udgivelse af netv\u00e6rksstakken F-Stack 1.13, der udf\u00f8res i brugerens rum","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Efter halvandet \u00e5rs udvikling <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/releases\/tag\/v1.13\">tog sted<\/a><\/noindex> udgivelsen af projektet <noindex><a rel=\"nofollow\" href=\"http:\/\/www.f-stack.org\">F-Stack 1.13<\/a><\/noindex>, der udvikler et h\u00f8jtydende netv\u00e6rksstak, der arbejder i brugerens rum og er baseret p\u00e5 rammev\u00e6rket <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48099\">DPDK<\/a><\/noindex> og TCP\/IP-stakken fra FreeBSD (F-Stack er ikke bundet til FreeBSD og betragter Linux som den prim\u00e6re platform til anvendelse). Projektet anvendes i forskellige produkter og tjenester <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Tencent\">Tencent<\/a><\/noindex>, det st\u00f8rste telekommunikationsselskab i Kina. Koden <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\">distribueres<\/a><\/noindex> er under BSD-licens. Det underst\u00f8tter drift i Linux og FreeBSD.<\/p>\n<p>F-Stack giver mulighed for at organisere netv\u00e6rkssamarbejde i applikationer ved at anvende sin egen netv\u00e6rksstak i stedet for operativsystemets netv\u00e6rksstak, som fungerer i brugerens rum og arbejder direkte med netv\u00e6rksudstyret.  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/tree\/dev\/app\">Der tilbydes<\/a><\/noindex> specialiserede versioner af Nginx og Redis, der er oversat til brug af F-Stack.<\/p>\n<p>Til udvikling af applikationer <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/blob\/dev\/doc\/F-Stack_API_Reference.md\">underst\u00f8ttes<\/a><\/noindex> b\u00e5de som det standardiserede Posix API (Socket, Epoll, Kqueue), der g\u00f8r det lettere at overf\u00f8re eksisterende applikationer til F-Stack, og ogs\u00e5 et eget programmeringsinterface baseret p\u00e5 samarbejdstr\u00e5de (mikrotr\u00e5de), som forenkler oprettelsen af netv\u00e6rksapplikationer og muligg\u00f8r at undg\u00e5 kompleks logik til asynkron behandling af anmodninger. F-Stack tilbyder ogs\u00e5 v\u00e6rkt\u00f8jer til at lette anvendelsen i applikationer med en multiprocessarkitektur.<\/p>\n<p>For at interagere med netv\u00e6rkskortet uden om operativsystemets kernegr\u00e6nseflader anvendes rammev\u00e6rket <noindex><a rel=\"nofollow\" href=\"http:\/\/dpdk.org\/\">DPDK<\/a><\/noindex> (Data Plane Development Kit), der tilbyder et bibliotek af v\u00e6rkt\u00f8jer til lavniveauarbejde med netv\u00e6rksadaptere, interaktion i multicore-systemer, udnyttelse af ringbuffere og store hukommelsessider (\"huge page\"). Brug af DPDK muligg\u00f8r modtagelse og afsendelse af netv\u00e6rkspakker med et minimalt antal CPU-cykler (cirka 80 cykler pr. pakke) og udvikling af h\u00f8jtydende komponenter i netv\u00e6rksstakken. Funktionaliteten i TCP\/IP-stakken er direkte overf\u00f8rt fra FreeBSD 11.1 og adskilt i et operativsystemuafh\u00e6ngigt bibliotek.<\/p>\n<p>F-Stack positioneres som en l\u00f8sning, der kan anvendes til at forbedre pr\u00e6stationen af netv\u00e6rksanmodningsbehandlere, n\u00e5r det standard TCP\/IP-stak i Linux-kernen bliver en flaskehals og begr\u00e6nser skaleringen. Anvendelsen af F-Stack giver en m\u00e6rkbar optimering og g\u00f8r det i visse situationer muligt at \u00f8ge antallet af behandlede sm\u00e5 anmodninger mange gange.  <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/raw.githubusercontent.com\/F-Stack\/f-stack\/dev\/CPS_Reuseport.png\"><img decoding=\"async\" alt=\"Udgivelse af netv\u00e6rksstakken F-Stack 1.13, der udf\u00f8res i brugerens rum\" src=\"\/wp-content\/uploads\/2019\/11\/c4d5710541cea747f158e1b279e08dda.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/raw.githubusercontent.com\/F-Stack\/f-stack\/dev\/Bandwidth.png\"><img decoding=\"async\" alt=\"Udgivelse af netv\u00e6rksstakken F-Stack 1.13, der udf\u00f8res i brugerens rum\" src=\"\/wp-content\/uploads\/2019\/11\/81d513c7b6288c8a09b893613e2c67dc.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Ydelsesfor\u00f8gelsen opn\u00e5s ved at eliminere operationer som kopiering af netv\u00e6rkspakker, tr\u00e5dplanl\u00e6gning, afbrydelsesbehandling og anvendelse af systemopkald. F-Stack g\u00f8r det muligt at n\u00e5 den maksimale netv\u00e6rksydelse, der er mulig for det anvendte netv\u00e6rkskort. For eksempel har l\u00f8sninger baseret p\u00e5 F-Stack vist sig at h\u00e5ndtere 10 millioner parallelle forbindelser, 5 millioner anmodninger pr. sekund og 1 million forbindelser pr. sekund.<\/p>\n<\/ul>\n<p>I den nye version:<\/p>\n<ul>\n<li class=\"l\"> Underst\u00f8ttelse af VLAN er tilf\u00f8jet;\n<li class=\"l\"> Mulighed for at arbejde i isolerede containere baseret p\u00e5 Docker er sikret;\n<li class=\"l\"> Implementering af gr\u00e6nsefladerne ff_dup, ff_dup2, ff_ioctl_freebsd, ff_getsockopt_freebsd og ff_setsockopt_freebsd;\n<li class=\"l\"> Tilf\u00f8jet parameteren \"idle_sleep\" for at reducere CPU-belastningen i situationer uden indkommende pakker\n<li class=\"l\"> Underst\u00f8ttelse af compilation for ARM64-arkitektur er tilf\u00f8jet;\n<li class=\"l\"> I den oversatte version af Nginx til F-Stack er der erstattet getpeername, getsockname og shutdown behandlere;\n<li class=\"l\"> Overgangen til den nye version DPDK 17.11.4 LTS er gennemf\u00f8rt;\n<li class=\"l\"> V\u00e6rkt\u00f8jet er tilf\u00f8jet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/tree\/dev\/tools\/traffic\">traffic<\/a><\/noindex> til at vise den aktuelle trafik, der behandles af applikationer baseret p\u00e5 F-Stack (minder om trafshow).\n<\/ul>\n<p>Fremtidige planer inkluderer <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/blob\/dev\/doc\/F-Stack_Roadmap.md\">bem\u00e6rket<\/a><\/noindex> st\u00f8tte til IPv6, levering af API til sprog som Python, PHP og Go, st\u00f8tte for API Cyptodev (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.intel.com\/content\/www\/us\/en\/architecture-and-technology\/intel-quick-assist-technology-overview.html\">Intel QAT<\/a><\/noindex>), brug af zerocopy ved afsendelse af pakker, st\u00f8tte <noindex><a rel=\"nofollow\" href=\"https:\/\/spdk.io\/\">SPDK<\/a><\/noindex> og mulighed for at k\u00f8re i form af en baggrundsproces.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51884\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 F-Stack 1.13, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0439 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0441\u0442\u0435\u043a, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0435 DPDK \u0438 TCP\/IP \u0441\u0442\u0435\u043a\u0435 FreeBSD (F-Stack \u043d\u0435 \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d \u043a FreeBSD \u0438 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442 Linux). \u041f\u0440\u043e\u0435\u043a\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430\u0445 \u0438 \u0441\u0435\u0440\u0432\u0438\u0441\u0430\u0445 Tencent, \u043a\u0440\u0443\u043f\u043d\u0435\u0439\u0448\u0435\u0439 \u0432 \u041a\u0438\u0442\u0430\u0435 \u0442\u0435\u043b\u0435\u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438. \u041a\u043e\u0434 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 [&hellip;]<\/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-52859","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta 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