{"id":40553,"date":"2020-02-01T20:58:27","date_gmt":"2020-02-01T17:58:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-gipervizora-bareflank-2-0"},"modified":"2020-02-01T20:58:27","modified_gmt":"2020-02-01T17:58:27","slug":"vypusk-gipervizora-bareflank-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/vypusk-gipervizora-bareflank-2-0","title":{"rendered":"Izdanje hipervizora Bareflank 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\/releases\/tag\/v2.0\">Odr\u017eano<\/a><\/noindex> izdanje hipervizora <noindex><a rel=\"nofollow\" href=\"http:\/\/bareflank.github.io\/hypervisor\/\">Bareflank 2.0<\/a><\/noindex>, koji pru\u017ea alate za brzi razvoj specijaliziranih hipervizora. Bareflank je napisan na C++ jeziku i podr\u017eava C++ STL. Modularna arhitektura Bareflanka omogu\u0107ava jednostavno pro\u0161irivanje postoje\u0107ih mogu\u0107nosti hipervizora i stvaranje vlastitih verzija hipervizora, kako onih koji rade na hardveru (poput Xena), tako i onih koji se pokre\u0107u unutar postoje\u0107eg programskog okru\u017eenja (poput VirtualBoxa). Postoji mogu\u0107nost pokretanja operativnog sustava host-okru\u017eenja u zasebnoj virtualnoj ma\u0161ini. Kod projekta <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\">distribuira se<\/a><\/noindex> pod licencom LGPL 2.1.<\/p>\n<p>U Bareflanku je implementirana podr\u0161ka za Linux, Windows i UEFI na 64-bitnim Intel CPU-ima. Za hardversko odvajanje resursa virtualnih ma\u0161ina koristi se tehnologija Intel VT-x. U budu\u0107nosti je planirana podr\u0161ka za macOS i BSD sustave, kao i mogu\u0107nost rada na ARM64 i AMD platformama. Dodatno, projekt razvija vlastiti upravlja\u010dki program za pokretanje VMM-a (Virtual Machine Manager), ELF u\u010ditava\u010d za u\u010ditavanje VVM modula, aplikaciju bfm za upravljanje hipervizorom iz korisni\u010dkog prostora. Pru\u017eaju se alati za pisanje pro\u0161irenja koriste\u0107i elemente definirane u specifikacijama C++11\/14, biblioteka za razradu iznimaka (unwind), kao i vlastita runtime biblioteka za podr\u0161ku primjeni konstruktora\/destructora i registraciju obra\u0111iva\u010da iznimaka.<\/p>\n<p>Na bazi Bareflanka vodi se razvoj sustava virtualizacije <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/boxy\">Boxy<\/a><\/noindex>, koji podr\u017eava pokretanje gostuju\u0107ih sustava i omogu\u0107ava kori\u0161tenje laganih virtualnih ma\u0161ina s Linuxom i Unikernelom za pokretanje specijaliziranih servisa ili aplikacija. U obliku izoliranih servisa mogu se izvr\u0161avati kako obi\u010dne web usluge, tako i aplikacije koje imaju posebne zahtjeve za pouzdano\u0161\u0107u i sigurno\u0161\u0107u, oslobo\u0111ene utjecaja host-okru\u017eenja (host-okru\u017eenje se izolira u zasebnoj virtualnoj ma\u0161ini). <\/p>\n<p>Glavne novosti Bareflank 2.0:<\/p>\n<ul>\n<li class=\"l\"> Dodana je podr\u0161ka za pokretanje Bareflanka izravno iz UEFI za naknadno izvr\u0161avanje operativnog sustava u virtualnoj ma\u0161ini;\n<li class=\"l\"> Implementiran je novi upravitelj memorije, projektiran na temelju SLAB\/Buddy menad\u017eera memorije u Linuxu. Novi upravitelj memorije pokazuje smanjenje fragmentacije, omogu\u0107ava postizanje bolje izvedbe i podr\u017eava dinami\u010dko dodjeljivanje memorije hipervizoru kroz <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rianquinn\/bfdriver\">bfdriver<\/a><\/noindex>, \u0161to smanjuje po\u010detnu veli\u010dinu hipervizora i optimizira skaliranje ovisno o broju CPU jezgri;\n<li class=\"l\"> Nova sistemska izgradnja temeljena na CMake, neovisna o komandnom interpreteru, omogu\u0107uje zna\u010dajno ubrzanje kompilacije hipervizora i pojednostavljuje budu\u0107u podr\u0161ku za dodatne arhitekture kao \u0161to je ARM;\n<li class=\"l\"> Reorganizacija koda je provedena i pojednostavljena je struktura izvornih kodova. Pobolj\u0161ana je podr\u0161ka za povezane projekte, kao \u0161to je hyperkernel, bez potrebe za dupliciranjem koda. Kod je jasnije odvojen <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\/tree\/master\/bfvmm\">hipervizora<\/a><\/noindex>, unwind biblioteke, runtime, upravlja\u010dkih alata, u\u010ditava\u010da i SDK-a;\n<li class=\"l\"> Ve\u0107ina API-ja umjesto ranije kori\u0161tenih mehanizama naslje\u0111ivanja u C++ preba\u010dena je na kori\u0161tenje <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD_%D0%B4%D0%B5%D0%BB%D0%B5%D0%B3%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F\">delegiranja<\/a><\/noindex>, \u0161to je omogu\u0107ilo pojednostavljenje API-ja, pobolj\u0161anje performansi i smanjenje potro\u0161nje resursa.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52279\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Bareflank 2.0, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u043e\u0432. Bareflank \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C++, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 C++ STL. \u041c\u043e\u0434\u0443\u043b\u044c\u043d\u0430\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0430 Bareflank \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0442 \u043b\u0435\u0433\u043a\u043e \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0442\u044c \u0438\u043c\u0435\u044e\u0449\u0438\u0435\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 \u0438 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u043e\u0432, \u043a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u043f\u043e\u0432\u0435\u0440\u0445 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f (\u043a\u0430\u043a Xen), \u0442\u0430\u043a \u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u0445 \u0432 \u0438\u043c\u0435\u044e\u0449\u0435\u043c\u0441\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u043c \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 (\u043a\u0430\u043a VirtualBox). \u0418\u043c\u0435\u0435\u0442\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0445\u043e\u0441\u0442-\u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f [&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":[],"tags":[],"class_list":["post-40553","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Bareflank.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hr\/blog\/vypusk-gipervizora-bareflank-2-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" 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