{"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\/no\/blog\/vypusk-gipervizora-bareflank-2-0","title":{"rendered":"Utgave av hypervisor 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\">Har funnet sted<\/a><\/noindex> utgivelse av hypervisor <noindex><a rel=\"nofollow\" href=\"http:\/\/bareflank.github.io\/hypervisor\/\">Bareflank 2.0<\/a><\/noindex>, som gir verkt\u00f8y for rask utvikling av spesialiserte hypervisorer. Bareflank er skrevet i C++, og st\u00f8tter C++ STL. Den modul\u00e6re arkitekturen til Bareflank gj\u00f8r det enkelt \u00e5 utvide eksisterende hypervisor-funksjoner og lage egne varianter av hypervisorer, b\u00e5de som kj\u00f8rer direkte p\u00e5 maskinvaren (som Xen) og som kan kj\u00f8res i et eksisterende programmilj\u00f8 (som VirtualBox). Det er mulighet for \u00e5 kj\u00f8re vertssystemet i en egen virtuell maskin. Koden til prosjektet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\">distribueres<\/a><\/noindex> er under LGPL 2.1-lisens.<\/p>\n<p>Bareflank implementerer st\u00f8tte for Linux, Windows og UEFI p\u00e5 64-bits Intel CPU-er. For maskinvare-isolering av ressursene til virtuelle maskiner brukes Intel VT-x-teknologien. Fremover er det planlagt st\u00f8tte for macOS og BSD-systemer, samt muligheten for \u00e5 kj\u00f8re p\u00e5 ARM64- og AMD-plattformer. I tillegg utvikles det et eget driver for oppstart av VMM (Virtual Machine Manager), en ELF-laster for moduloppstart for VVM, og applikasjonen bfm for \u00e5 administrere hypervisoren fra brukermilj\u00f8et. Det tilbys verkt\u00f8y for \u00e5 skrive utvidelser ved hjelp av elementer definert i spesifikasjonene C++11\/14, en bibliotek for rulling av unntak (unwind), samt et eget runtime-bibliotek for st\u00f8tte av konstrukt\u00f8rer\/destrukt\u00f8rer og registrering av unntaksh\u00e5ndterere.<\/p>\n<p>Basert p\u00e5 Bareflank utvikles et virtualiseringssystem <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/boxy\">Boxy<\/a><\/noindex>, som st\u00f8tter kj\u00f8ring av gjestesystemer og lar deg bruke lette virtuelle maskiner med Linux og Unikernel for \u00e5 kj\u00f8re spesialiserte tjenester eller applikasjoner. I form av isolerte tjenester kan b\u00e5de vanlige webtjenester og applikasjoner som stiller spesielle krav til p\u00e5litelighet og sikkerhet, utf\u00f8res uten p\u00e5virkning fra vertssystemet (vertssystemet isoleres i en egen virtuell maskin). <\/p>\n<p>Hovednyhetene i Bareflank 2.0:<\/p>\n<ul>\n<li class=\"l\"> St\u00f8tte for \u00e5 starte Bareflank direkte fra UEFI for p\u00e5f\u00f8lgende kj\u00f8ring av operativsystemet i en virtuell maskin er lagt til;\n<li class=\"l\"> Implementert en ny minneh\u00e5ndteringsleder, designet etter m\u00f8nster av SLAB\/Buddy minneh\u00e5ndterere i Linux. Den nye minneh\u00e5ndtereren viser redusert fragmentering, gir bedre ytelse og st\u00f8tter dynamisk minnetildeling til hypervisoren gjennom <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rianquinn\/bfdriver\">bfdriver<\/a><\/noindex>, noe som reduserer den opprinnelige st\u00f8rrelsen p\u00e5 hypervisoren og gj\u00f8r det mulig med optimal skalerbarhet avhengig av antall CPU-kjerner;\n<li class=\"l\"> Et nytt byggesystem basert p\u00e5 CMake, uavhengig av kommandotolk, som gir betydelig raskere kompilering av hypervisoren og forenkler fremtidig st\u00f8tte for ekstra arkitekturer som ARM;\n<li class=\"l\"> Koden er omskrevet og strukturen til kildekodene er forenklet. Forbedret st\u00f8tte for beslektede prosjekter som hyperkernel, uten behov for kodekopiering. Koden er tydeligere separert <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Bareflank\/hypervisor\/tree\/master\/bfvmm\">hypervisoren<\/a><\/noindex>, unwind-biblioteket, runtime, styringsverkt\u00f8yet, bootloaderen og SDK;\n<li class=\"l\"> St\u00f8rsteparten av API-et, i stedet for de tidligere brukte arve mekanismene i C++, er overf\u00f8rt til bruk av <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\">delegasjon<\/a><\/noindex>, noe som har forenklet API-et, \u00f8kt ytelsen og redusert ressursforbruket.\n<\/ul>\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=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 5.0.5 - 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\/no\/blog\/vypusk-gipervizora-bareflank-2-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.5\" \/>\n\t\t<meta property=\"og:locale\" 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