{"id":111865,"date":"2023-11-30T15:10:24","date_gmt":"2023-11-30T13:10:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupna-platforma-optimizaczii-trafika-libreqos-1-4"},"modified":"2023-11-30T15:10:24","modified_gmt":"2023-11-30T13:10:26","slug":"dostupna-platforma-optimizaczii-trafika-libreqos-1-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/dostupna-platforma-optimizaczii-trafika-libreqos-1-4","title":{"rendered":"K dispozici je platforma pro optimalizaci provozu LibreQoS 1.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl zve\u0159ejn\u011bn vyd\u00e1n\u00ed platformy LibreQoS 1.4, ur\u010den\u00e9 k zaji\u0161t\u011bn\u00ed spravedliv\u00e9ho rozd\u011blen\u00ed dostupn\u00e9 \u0161\u00ed\u0159ky p\u00e1sma mezi u\u017eivateli a ke sn\u00ed\u017een\u00ed negativn\u00edch efekt\u016f zp\u016fsoben\u00fdch mezilehl\u00fdm vyrovn\u00e1v\u00e1n\u00edm paket\u016f (Bufferbloat) s\u00ed\u0165ov\u00fdm vybaven\u00edm. Platforma m\u016f\u017ee b\u00fdt vyu\u017e\u00edv\u00e1na poskytovateli nebo spr\u00e1vci priv\u00e1tn\u00edch s\u00edt\u00ed pro optimalizaci tok\u016f provozu, udr\u017een\u00ed latenc\u00ed na minim\u00e1ln\u00ed \u00farovni a rozd\u011blen\u00ed \u0161\u00ed\u0159ky p\u00e1sma s ohledem na priority. K\u00f3d projektu je naps\u00e1n v jazyc\u00edch C, Python a Rust, a je distribuov\u00e1n pod licenc\u00ed GPLv2. Projekt se rozv\u00edj\u00ed pod veden\u00edm Davea Tahta, spoluzakladatele projektu Bufferbloat, tv\u016frce distribuce CeroWrt a autora mnoha RFC t\u00fdkaj\u00edc\u00edch se zpracov\u00e1n\u00ed s\u00ed\u0165ov\u00fdch front.      <\/p>\n<p>LibreQoS umo\u017e\u0148uje sn\u00ed\u017eit latence a zv\u00fd\u0161it spolehlivost interaktivn\u00edch sezen\u00ed, her, online vzd\u011bl\u00e1vac\u00edch platforem, VoIP provozu a videohovor\u016f za podm\u00ednek vysok\u00e9ho zat\u00ed\u017een\u00ed s\u00edt\u011b, nap\u0159\u00edklad kv\u016fli stahov\u00e1n\u00ed film\u016f v n\u011bkolika streamovan\u00fdch kan\u00e1lech n\u011bkter\u00fdmi u\u017eivateli nebo aktivit\u00e1m milovn\u00edk\u016f torrent\u016f (LibreQoS \u0159e\u0161\u00ed probl\u00e9m se sek\u00e1n\u00edm videohovor\u016f, kdy\u017e n\u011bkdo ve stejn\u00e9 s\u00edti za\u010dne stahovat 4K video). Pou\u017eit\u00ed LibreQoS sni\u017euje dostupnou maxim\u00e1ln\u00ed \u0161\u00ed\u0159ku p\u00e1sma pro jednoho u\u017eivatele, ale umo\u017e\u0148uje v\u00fdrazn\u011b sn\u00ed\u017eit latence a spravedliv\u011b rozd\u011blit zdroje mezi v\u0161echny \u00fa\u010dastn\u00edky v\u00fdm\u011bny dat. V proveden\u00e9m testu pou\u017eit\u00ed LibreQoS umo\u017enilo sn\u00ed\u017eit latence p\u0159i p\u0159\u00edjmu dat z 106 ms na 9 ms a p\u0159i odes\u00edl\u00e1n\u00ed z 517 ms na 23 ms, na \u00fakor sn\u00ed\u017een\u00ed rychlosti nep\u0159etr\u017eit\u00e9ho stahov\u00e1n\u00ed z 74 Mbps na 25 Mbps a odes\u00edl\u00e1n\u00ed z 29 Mbps na 8 Mbps.        <\/p>\n<p>Na z\u00e1klad\u011b LibreQoS le\u017e\u00ed pou\u017eit\u00ed syst\u00e9mu \u0159\u00edzen\u00ed s\u00ed\u0165ov\u00fdch front CAKE (Common Applications Kept Enhanced) a pl\u00e1nova\u010de paket\u016f fq_codel (Fair Queuing Controlled Delay), stejn\u011b jako pou\u017eit\u00ed eBPF a XDP (Express Data Path) k prov\u00e1d\u011bn\u00ed zpracovatel\u016f na \u00farovni s\u00ed\u0165ov\u00e9ho ovlada\u010de s mo\u017enost\u00ed p\u0159\u00edm\u00e9ho p\u0159\u00edstupu k DMA bufferu paket\u016f. Algoritmus CAKE je navr\u017een tak, aby nahradil a zjednodu\u0161il slo\u017eitou hierarchii disciplin zpracov\u00e1n\u00ed front paket\u016f, dok\u00e1\u017ee vy\u017ed\u00edmat maxim\u00e1ln\u00ed mo\u017enou \u0161\u00ed\u0159ku p\u00e1sma a poskytnout minim\u00e1ln\u00ed \u00farove\u0148 latenc\u00ed i na t\u011bch nejpomalej\u0161\u00edch komunika\u010dn\u00edch kan\u00e1lech s poskytovatelem a p\u0159i pr\u00e1ci na slab\u0161\u00edch za\u0159\u00edzen\u00edch.      <\/p>\n<p>LibreQoS tak\u00e9 poskytuje n\u00e1stroje pro sledov\u00e1n\u00ed zpo\u017ed\u011bn\u00ed mezi odesl\u00e1n\u00edm po\u017eadavku a p\u0159ijet\u00edm odpov\u011bdi (RTT, round-trip time), vztahuj\u00edc\u00ed se k jednotliv\u00fdm u\u017eivatel\u016fm, p\u0159\u00edstupov\u00fdm bod\u016fm a webov\u00fdm str\u00e1nk\u00e1m. Pro anal\u00fdzu stavu byl vyvinut webov\u00fd rozhran\u00ed, kter\u00e9 umo\u017e\u0148uje vizu\u00e1ln\u00edm zp\u016fsobem ocenit provoz v s\u00edti, sledovat zm\u011bny zat\u00ed\u017een\u00ed a zpo\u017ed\u011bn\u00ed, a identifikovat nejaktivn\u011bj\u0161\u00ed u\u017eivatele. Je mo\u017en\u00e9 vytv\u00e1\u0159et flexibiln\u00ed hierarchick\u00e9 sch\u00e9mata omezen\u00ed provozu a integraci s UISP a Splynx pro mapov\u00e1n\u00ed topologi\u00ed a klient\u016f.    <\/p>\n<p>LibreQoS se instaluje na <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\">server<\/a>, um\u00edst\u011bn\u00fd mezi hrani\u010dn\u00edm sm\u011brova\u010dem poskytovatele a z\u00e1kladn\u00edm sm\u011brova\u010dem m\u00edstn\u00ed s\u00edt\u011b. Jeden server s LibreQoS m\u016f\u017ee prov\u00e1d\u011bt omezen\u00ed provozu pro tis\u00edce u\u017eivatel\u016f, nap\u0159\u00edklad <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-los-angeles\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3829\">serveru<\/a> se 16j\u00e1drov\u00fdm CPU Xeon Gold je dostate\u010dn\u00fd pro zpracov\u00e1n\u00ed provozu klient\u016f ISP s propustnost\u00ed 11 gbit\/s.        <\/p>\n<p>V nov\u00e9 verzi:  <\/p>\n<ul>\n<li class=\"l\"> Byla pou\u017eita nov\u00e1 architektura zalo\u017een\u00e1 na backendu napsan\u00e9m v jazyce Rust. Backend zahrnuje:\n<ul>\n<li class=\"l\"> Pozad\u00ed proces lqosd, odpov\u011bdn\u00fd za na\u010d\u00edt\u00e1n\u00ed a nastaven\u00ed program\u016f eBPF, z\u00edsk\u00e1v\u00e1n\u00ed statistik p\u0159\u00edmo z eBPF a poskytov\u00e1n\u00ed sb\u011brnice pro v\u00fdm\u011bnu dat mezi komponenty.\n<li class=\"l\"> n\u00e1stroj lqtop pro zobrazen\u00ed aktu\u00e1ln\u00ed aktivity.\n<li class=\"l\"> webov\u00e9 rozhran\u00ed lqos_node_manager pro kategorizaci provozu, monitorov\u00e1n\u00ed, sledov\u00e1n\u00ed stavu syst\u00e9mu a anal\u00fdzu aktu\u00e1ln\u00ed aktivity.\n<li class=\"l\"> wrapper lqos_python pro zaji\u0161t\u011bn\u00ed p\u0159\u00edstupu k sb\u011brnici ze skript\u016f v jazyce Python.\n<li class=\"l\"> gener\u00e1tor konfigura\u010dn\u00edch soubor\u016f lqos_setup.\n<li class=\"l\"> syst\u00e9m autentizace u\u017eivatel\u016f lqos_users.  <\/ul>\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost pou\u017eit\u00ed akceler\u00e1toru s\u00ed\u0165ov\u00fdch most\u016f zalo\u017een\u00e9ho na XDP m\u00edsto standardn\u00ed subsyst\u00e9mu j\u00e1dra bridge. V tomto re\u017eimu lze dos\u00e1hnout zv\u00fd\u0161en\u00ed v\u00fdkonu o 30%.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora anal\u00fdzy paket\u016f a tok\u016f provozu.\n<li class=\"l\"> Byl p\u0159id\u00e1n re\u017eim Single-interface, kter\u00fd umo\u017e\u0148uje pou\u017e\u00edvat jedno s\u00ed\u0165ov\u00e9 rozhran\u00ed a VLANy pro extern\u00ed (poskytovatel) a intern\u00ed (lok\u00e1ln\u00ed s\u00ed\u0165) provoz.\n<li class=\"l\"> Bylo navr\u017eeno nov\u00e9 webov\u00e9 rozhran\u00ed s v\u011bt\u0161\u00edm po\u010dtem nov\u00fdch graf\u016f.    <\/ul>\n<p>  <center><img decoding=\"async\" alt=\"K dispozici je platforma pro optimalizaci provozu LibreQoS 1.4\" src=\"\/wp-content\/uploads\/2023\/11\/b703e4548f4a9105341ef9ff284f3920.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>  <center><img decoding=\"async\" alt=\"K dispozici je platforma pro optimalizaci provozu LibreQoS 1.4\" src=\"\/wp-content\/uploads\/2023\/11\/bdf1b36755d73d321fe613045b5eeb13.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>  <center><img decoding=\"async\" alt=\"K dispozici je platforma pro optimalizaci provozu LibreQoS 1.4\" src=\"\/wp-content\/uploads\/2023\/11\/610af0245953c471a544ea851fe0aa5c.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>  <center><img decoding=\"async\" alt=\"K dispozici je platforma pro optimalizaci provozu LibreQoS 1.4\" src=\"\/wp-content\/uploads\/2023\/11\/69ad25d3b86ff918a4cff8579f265e08.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60202\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b LibreQoS 1.4, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043f\u0440\u0430\u0432\u0435\u0434\u043b\u0438\u0432\u043e\u0433\u043e \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0438\u043c\u0435\u044e\u0449\u0435\u0439\u0441\u044f \u043f\u043e\u043b\u043e\u0441\u044b \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u043d\u0438\u044f \u043c\u0435\u0436\u0434\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c\u0438 \u0438 \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u043d\u0435\u0433\u0430\u0442\u0438\u0432\u043d\u044b\u0445 \u044d\u0444\u0444\u0435\u043a\u0442\u043e\u0432, \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0449\u0438\u0445 \u0438\u0437-\u0437\u0430 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u043e\u0439 \u0431\u0443\u0444\u0435\u0440\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 (Bufferbloat) \u0441\u0435\u0442\u0435\u0432\u044b\u043c \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435\u043c. \u041f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043f\u0440\u043e\u0432\u0430\u0439\u0434\u0435\u0440\u0430\u043c\u0438 \u0438\u043b\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430\u043c\u0438 \u0447\u0430\u0441\u0442\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439 \u0434\u043b\u044f \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0442\u043e\u043a\u043e\u0432 \u0442\u0440\u0430\u0444\u0438\u043a\u0430, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u044f \u0437\u0430\u0434\u0435\u0440\u0436\u0435\u043a \u043d\u0430 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u043c \u0443\u0440\u043e\u0432\u043d\u0435 \u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u043e\u0441\u044b \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u043d\u0438\u044f \u0441 \u0443\u0447\u0451\u0442\u043e\u043c \u043f\u0440\u0438\u043e\u0440\u0438\u0442\u0435\u0442\u043e\u0432. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":111866,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-111865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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