{"id":99703,"date":"2021-04-12T10:23:04","date_gmt":"2021-04-12T08:23:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gipervizora-xen-4-15"},"modified":"2021-04-12T10:23:04","modified_gmt":"2021-04-12T08:23:04","slug":"vypusk-gipervizora-xen-4-15","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-gipervizora-xen-4-15","title":{"rendered":"Sortie de l'hyperviseur Xen 4.15","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Apr\u00e8s huit mois de d\u00e9veloppement, la version libre de l'hyperviseur Xen 4.15 a \u00e9t\u00e9 publi\u00e9e. Des entreprises telles qu'Amazon, Arm, Bitdefender, Citrix et EPAM Systems ont particip\u00e9 au d\u00e9veloppement de cette nouvelle version. La publication de mises \u00e0 jour pour la branche Xen 4.15 se poursuivra jusqu'au 8 octobre 2022, et la publication de correctifs pour les vuln\u00e9rabilit\u00e9s jusqu'au 8 avril 2024.      <\/p>\n<p>Les changements cl\u00e9s dans Xen 4.15 :   <\/p>\n<ul>\n<li class=\"l\"> Les processus Xenstored et oxenstored b\u00e9n\u00e9ficient d'un support exp\u00e9rimental des mises \u00e0 jour en direct, permettant de livrer et d'appliquer des correctifs de vuln\u00e9rabilit\u00e9s sans red\u00e9marrer l'environnement h\u00f4te.\n<li class=\"l\"> Ajout du support des images de d\u00e9marrage unifi\u00e9es, permettant de cr\u00e9er des images syst\u00e8me incluant des composants Xen. Ces images sont fournies sous la forme d'un fichier binaire unique pour EFI, pouvant \u00eatre utilis\u00e9 pour d\u00e9marrer un syst\u00e8me Xen en fonctionnement directement depuis le gestionnaire de d\u00e9marrage EFI, sans chargeurs interm\u00e9diaires comme GRUB. L'image inclut des composants Xen tels que l'hyperviseur, le noyau pour l'environnement h\u00f4te (dom0), initrd, Xen KConfig, les param\u00e8tres XSM et Device Tree.\n<li class=\"l\"> Pour la plateforme ARM, des capacit\u00e9s exp\u00e9rimentales d'ex\u00e9cution de mod\u00e8les d'appareils c\u00f4t\u00e9 h\u00f4te (dom0) ont \u00e9t\u00e9 mises en \u0153uvre, permettant d'\u00e9muler des dispositifs mat\u00e9riels arbitraires pour les syst\u00e8mes invit\u00e9s bas\u00e9s sur l'architecture ARM. Un support SMMUv3 (System Memory Management Unit) a \u00e9galement \u00e9t\u00e9 ajout\u00e9 pour am\u00e9liorer la s\u00e9curit\u00e9 et la fiabilit\u00e9 du passage des dispositifs sur les syst\u00e8mes ARM.\n<li class=\"l\"> Ajout de la possibilit\u00e9 d'utiliser le m\u00e9canisme de tra\u00e7age mat\u00e9riel IPT (Intel Processor Trace), disponible depuis les CPU Intel Broadwell, pour exporter des donn\u00e9es \u00e0 partir des syst\u00e8mes invit\u00e9s vers des utilitaires de d\u00e9bogage ex\u00e9cut\u00e9s c\u00f4t\u00e9 h\u00f4te. Par exemple, il est possible d'utiliser VMI Kernel Fuzzer ou DRAKVUF Sandbox.\n<li class=\"l\"> Ajout du support des environnements Viridian (Hyper-V) pour ex\u00e9cuter des syst\u00e8mes invit\u00e9s Windows utilisant plus de 64 VCPU.\n<li class=\"l\"> La couche PV Shim, utilis\u00e9e pour ex\u00e9cuter des syst\u00e8mes invit\u00e9s paravirtualis\u00e9s non modifi\u00e9s (PV) dans des environnements PVH et HVM, a \u00e9t\u00e9 modernis\u00e9e (permettant ainsi d'ex\u00e9cuter d'anciens syst\u00e8mes invit\u00e9s dans des environnements plus s\u00fbrs offrant une isolation plus stricte). La nouvelle version am\u00e9liore le support de l'ex\u00e9cution des syst\u00e8mes invit\u00e9s PV dans des environnements supportant uniquement le mode HVM. La taille de la couche a \u00e9t\u00e9 r\u00e9duite gr\u00e2ce \u00e0 la r\u00e9duction du code sp\u00e9cifique \u00e0 HVM.\n<li class=\"l\"> Les capacit\u00e9s des pilotes VirtIO sur les syst\u00e8mes ARM ont \u00e9t\u00e9 \u00e9largies. Une impl\u00e9mentation de IOREQ a \u00e9t\u00e9 propos\u00e9e pour les syst\u00e8mes ARM, qui sera utilis\u00e9e \u00e0 l'avenir pour renforcer la virtualisation d'entr\u00e9e\/sortie en utilisant les protocoles VirtIO. Une mise en \u0153uvre de r\u00e9f\u00e9rence d'un p\u00e9riph\u00e9rique de bloc VirtIO pour ARM a \u00e9t\u00e9 ajout\u00e9e, ainsi que la possibilit\u00e9 de transmettre des p\u00e9riph\u00e9riques de bloc VirtIO aux syst\u00e8mes invit\u00e9s bas\u00e9s sur l'architecture ARM. Le support de la virtualisation PCIe pour ARM commence \u00e0 \u00eatre int\u00e9gr\u00e9. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-los-angeles\/\"   title=\"de serveurs\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3700\">de serveurs<\/a> Le travail sur la mise en \u0153uvre du port Xen pour les processeurs RISC-V se poursuit. Actuellement, le code pour la gestion de la m\u00e9moire virtuelle c\u00f4t\u00e9 h\u00f4te et des syst\u00e8mes invit\u00e9s est en d\u00e9veloppement, ainsi que la cr\u00e9ation de code sp\u00e9cifique \u00e0 l'architecture RISC-V.\n<li class=\"l\"> En collaboration avec le projet Zephyr bas\u00e9 sur la norme MISRA_C, un ensemble d'exigences et de directives pour la r\u00e9daction du code, r\u00e9duisant les risques de probl\u00e8mes de s\u00e9curit\u00e9, est en cours de d\u00e9veloppement. Des analyseurs statiques sont utilis\u00e9s pour d\u00e9tecter les divergences par rapport aux r\u00e8gles cr\u00e9\u00e9es.\n<li class=\"l\"> L'initiative Hyperlaunch a \u00e9t\u00e9 pr\u00e9sent\u00e9e pour fournir des outils flexibles pour configurer le lancement d'un ensemble statique pendant le d\u00e9marrage du syst\u00e8me. Le concept domB (domaine de d\u00e9marrage, sans dom0) a \u00e9t\u00e9 propos\u00e9 pour permettre le d\u00e9marrage de machines virtuelles \u00e0 un stade pr\u00e9coce du d\u00e9marrage du serveur sans d\u00e9ployer un environnement dom0.\n<li class=\"l\"> Dans le syst\u00e8me d'int\u00e9gration continue, les tests de Xen sous Alpine Linux et Ubuntu 20.04 ont \u00e9t\u00e9 r\u00e9alis\u00e9s. Les tests sur CentOS 6 ont \u00e9t\u00e9 interrompus. Des tests dom0 \/ domU bas\u00e9s sur QEMU ont \u00e9t\u00e9 ajout\u00e9s \u00e0 l'environnement d'int\u00e9gration continue pour ARM. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/vps\/\"   title=\"machines virtuelles\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2049\">machines virtuelles<\/a> Apr\u00e8s huit mois de d\u00e9veloppement, la version du hyperviseur libre Xen 4.15 a \u00e9t\u00e9 publi\u00e9e. Des entreprises comme Amazon, Arm, Bitdefender, Citrix et EPAM Systems ont particip\u00e9 au d\u00e9veloppement de cette nouvelle version.\n<li class=\"l\"> \ud83e\udd47Publication de l'hyperviseur Xen 4.15 | ProHoster      <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54949\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.15. \u0412 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Amazon, Arm, Bitdefender, Citrix \u0438 EPAM Systems. \u0412\u044b\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 Xen 4.15 \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e 8 \u043e\u043a\u0442\u044f\u0431\u0440\u044f 2022 \u0433\u043e\u0434\u0430, \u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0434\u043e 8 \u0430\u043f\u0440\u0435\u043b\u044f 2024 \u0433\u043e\u0434\u0430. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 Xen 4.15: \u0412 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u0445 Xenstored [&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-99703","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.15. \u0412 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Amazon, Arm, Bitdefender, Citrix \u0438 EPAM Systems.\" \/>\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\/fr\/blog\/news\/vypusk-gipervizora-xen-4-15\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.15 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.15. \u0412 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Amazon, Arm, Bitdefender, Citrix \u0438 EPAM Systems.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-gipervizora-xen-4-15\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-04-12T08:23:04+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-04-12T08:23:04+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Lancement de l'hyperviseur Xen 4.15 | ProHoster","description":"\ud83e\udd47Publication de l'hyperviseur Xen 4.15 | ProHoster","canonical_url":"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-gipervizora-xen-4-15","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"fr_FR","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.15 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.15. \u0412 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Amazon, Arm, Bitdefender, Citrix \u0438 EPAM Systems.","og:url":"https:\/\/prohoster.info\/fr\/blog\/news\/vypusk-gipervizora-xen-4-15","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2021-04-12T08:23:04+00:00","article:modified_time":"2021-04-12T08:23:04+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"99703","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-04-12 08:36:19","updated":"2026-02-22 15:29:53","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/posts\/99703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/comments?post=99703"}],"version-history":[{"count":2,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/posts\/99703\/revisions"}],"predecessor-version":[{"id":162228,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/posts\/99703\/revisions\/162228"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/media?parent=99703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/categories?post=99703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/fr\/wp-json\/wp\/v2\/tags?post=99703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}