{"id":103490,"date":"2022-03-08T09:36:40","date_gmt":"2022-03-08T07:36:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-dentos-2-0-setevoj-operaczionnoj-sistemy-dlya-kommutatorov"},"modified":"2022-03-08T09:36:40","modified_gmt":"2022-03-08T07:36:41","slug":"vypusk-dentos-2-0-setevoj-operaczionnoj-sistemy-dlya-kommutatorov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/vypusk-dentos-2-0-setevoj-operaczionnoj-sistemy-dlya-kommutatorov","title":{"rendered":"Izlaz DentOS 2.0, mre\u017enog operativnog sustava za preklopnike","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljen je novi izdanak mre\u017enog operativnog sustava DentOS 2.0, koji se temelji na Linux kernelu i namijenjen je opremanju preklopnika, usmjeriva\u010da i specijalizirane mre\u017ene opreme. Razvoj se provodi u suradnji s tvrtkama Amazon, Delta Electronics, Marvell, NVIDIA, Edgecore Networks i Wistron NeWeb (WNC). Projekt je prvotno osnovala tvrtka Amazon radi opremanja mre\u017ene opreme unutar svoje infrastrukture. Kod DentOS-a napisan je na jeziku C i distribuira se pod slobodnom licencom Eclipse Public License.     <\/p>\n<p>Za upravljanje prebacivanjem paketa u DentOS-u koristi se pod-sustav Linux kernela SwitchDev, koji omogu\u0107uje stvaranje voza\u010da za Ethernet preklopnike koji mogu delegirati operacije preusmjeravanja okvira i obrade mre\u017enih paketa specijaliziranim hardverskim \u010dipovima. Softverska osnovica se temelji na standardnom mre\u017enom stogu Linuxa, pod-sustavu NetLink te alatima kao \u0161to su IPRoute2, tc (Traffic Control), brctl (Bridge Control) i FRRouting, kao i protokolima VRRP (Virtual Router Redundancy Protocol), LLDP (Link Layer Discovery Protocol) i MSTP (Multiple Spanning Tree Protocol).      <\/p>\n<p><center><img decoding=\"async\" alt=\"Izlaz DentOS 2.0, mre\u017enog operativnog sustava za preklopnike \" src=\"\/wp-content\/uploads\/2022\/03\/9426360dce16e4666c54da9c67709ef2.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>          <\/p>\n<p>Sustavno okru\u017eenje temelji se na distribuciji ONL (Open Network Linux), koja koristi paketnu bazu Debian GNU\/Linux i pru\u017ea instalacijski program, postavke i voza\u010de za pokretanje na preklopnicima. ONL se razvija putem projekta Open Compute i predstavlja platformu za stvaranje specijaliziranih mre\u017enih ure\u0111aja, podr\u017eavaju\u0107i instalaciju na vi\u0161e od stotinu razli\u010ditih modela preklopnika. Uklju\u010duje voza\u010de za interakciju s indikatorima, senzorima temperature, ventilatorima, I2C sabirnicom, GPIO i SFP-transceiverima koji se koriste u preklopnicima. Za upravljanje se mogu koristiti alati IpRoute2 i ifupdown2, kao i gNMI (gRPC Network Management Interface). Za odre\u0111ivanje konfiguracije koriste se modeli podataka YANG (Yet Another Next Generation, RFC-6020).             <\/p>\n<p>Sustav je dostupan za preklopnike temeljen na ASIC \u010dipovima Marvell i Mellanox, koji imaju do 48 10-gigabitnih portova. Podr\u017eava rad s raznim ASIC i \u010dipovima za obradu mre\u017enih podataka, uklju\u010duju\u0107i Mellanox Spectrum, Marvell Aldrin 2 i Marvell AC3X ASIC \u010dipove s implementacijom tablica za hardversko preusmjeravanje paketa. Pripremljene slike DentOS-a za instalaciju dostupne su za arhitekture ARM64 (257 MB) i AMD64 (523 MB).           <\/p>\n<p>U novom izdanju dodane su sljede\u0107e pobolj\u0161anja:  <\/p>\n<ul>\n<li class=\"l\"> Podr\u0161ka za NAT-44 i NA(P)T za prevo\u0111enje adresa (NAT) iz unutarnjeg opsega u javne adrese na razini obi\u010dnih (Layer-3, mre\u017eni sloj) i VLAN portova (mre\u017eni mostovi) u prekida\u010du.\n<li class=\"l\"> Pru\u017eene su mogu\u0107nosti za postavljanje mre\u017enih su\u010delja 802.1Q (VLAN) i usmjeravanje prometa kroz njih. Za postavljanje se koriste paketi IpRoute2 i Ifupdown2.\n<li class=\"l\"> Dodana podr\u0161ka za PoE (Power over Ethernet) kontrolere za upravljanje napajanjem putem Ethernet-a.\n<li class=\"l\"> Unesene su promjene usmjerene na pobolj\u0161anje performansi i skalabilnosti konfiguracija vatrozida.\n<li class=\"l\"> Pobolj\u0161ano upravljanje resursima temeljenim na ACL-u. Dodana podr\u0161ka za oznake za prepoznavanje lokalnih (intranet). <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/lir\/ipv4\/\"   title=\"IP adresa\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"849\">IP adresa<\/a>.\n<li class=\"l\"> Omogu\u0107eno je povezivanje korisni\u010dkih obrada za prilagodbu izolacije portova.\n<li class=\"l\"> Na temelju &#171;devlink&#187;, API-a za dobivanje informacija i promjenu parametara ure\u0111aja, implementirana je podr\u0161ka za broja\u010de lokalnih trap-ova i odbijenih paketa.  <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56819\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b DentOS 2.0, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u044f\u0434\u0440\u0435 Linux \u0438 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u043e\u0432, \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432 \u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 Amazon, Delta Electronics, Marvell, NVIDIA, Edgecore Networks \u0438 Wistron NeWeb (WNC). \u0418\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0435\u043a\u0442 \u0431\u044b\u043b \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Amazon \u0434\u043b\u044f \u043e\u0441\u043d\u0430\u0449\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0441\u0432\u043e\u0435\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435. \u041a\u043e\u0434 DentOS \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":103491,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-103490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b DentOS 2.0, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u044f\u0434\u0440\u0435 Linux \u0438 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 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