{"id":101359,"date":"2021-09-21T22:22:43","date_gmt":"2021-09-21T20:22:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlen-modul-yadra-sposobnyj-v-razy-uskorit-openvpn"},"modified":"2021-09-21T22:22:43","modified_gmt":"2021-09-21T20:22:43","slug":"predstavlen-modul-yadra-sposobnyj-v-razy-uskorit-openvpn","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/predstavlen-modul-yadra-sposobnyj-v-razy-uskorit-openvpn","title":{"rendered":"Byl p\u0159edstaven j\u00e1drov\u00fd modul, kter\u00fd dok\u00e1\u017ee n\u011bkolikr\u00e1t zrychlit OpenVPN","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00fdvoj\u00e1\u0159i bal\u00ed\u010dku pro vytv\u00e1\u0159en\u00ed virtu\u00e1ln\u00edch priv\u00e1tn\u00edch s\u00edt\u00ed OpenVPN p\u0159edstavili j\u00e1drov\u00fd modul ovpn-dco, kter\u00fd v\u00fdrazn\u011b zlep\u0161uje v\u00fdkon VPN. I kdy\u017e je modul zat\u00edm ve v\u00fdvoji a zam\u011b\u0159uje se pouze na v\u011btev linux-next, m\u00e1 ji\u017e status experiment\u00e1ln\u00edho, co\u017e mu umo\u017enilo dos\u00e1hnout stabiln\u00ed \u00farovn\u011b, kter\u00e1 umo\u017e\u0148uje jeho pou\u017eit\u00ed pro zaji\u0161t\u011bn\u00ed slu\u017eby OpenVPN Cloud. <\/p>\n

Ve srovn\u00e1n\u00ed s konfigurac\u00ed zalo\u017eenou na rozhran\u00ed tun vedlo pou\u017eit\u00ed modulu na stran\u011b klienta a serveru p\u0159i pou\u017eit\u00ed \u0161ifry AES-256-GCM k n\u00e1r\u016fstu propustnosti o 8x (z 370 Mbit\/s na 2950 Mbit\/s). P\u0159i pou\u017eit\u00ed modulu pouze na stran\u011b klienta se propustnost zv\u00fd\u0161ila t\u0159ikr\u00e1t pro odchoz\u00ed provoz a nezm\u011bnila se pro p\u0159\u00edchoz\u00ed. P\u0159i pou\u017eit\u00ed modulu pouze na stran\u011b serveru<\/a> se propustnost zv\u00fd\u0161ila 4x pro p\u0159\u00edchoz\u00ed provoz a o 35 % pro odchoz\u00ed.

\"Byl<\/center> <\/p>\n

Zrychlen\u00ed se dosahuje t\u00edm, \u017ee se v\u0161echny operace \u0161ifrov\u00e1n\u00ed, zpracov\u00e1n\u00ed paket\u016f a spr\u00e1va komunika\u010dn\u00edho kan\u00e1lu p\u0159esouvaj\u00ed do j\u00e1dra Linuxu, co\u017e eliminuje re\u017eijn\u00ed n\u00e1klady spojen\u00e9 s p\u0159ep\u00edn\u00e1n\u00edm kontextu, umo\u017e\u0148uje optimalizaci pr\u00e1ce p\u0159\u00edm\u00fdm p\u0159\u00edstupem k intern\u00edm API j\u00e1dra a vylu\u010duje pomal\u00fd p\u0159enos dat mezi j\u00e1drem a u\u017eivatelsk\u00fdm prostorem (\u0161ifrov\u00e1n\u00ed, de\u0161ifrov\u00e1n\u00ed a sm\u011brov\u00e1n\u00ed prov\u00e1d\u00ed modul bez odes\u00edl\u00e1n\u00ed provozu do zpracovatele v u\u017eivatelsk\u00e9m prostoru). <\/p>\n

Bylo zji\u0161t\u011bno, \u017ee negativn\u00ed dopady na v\u00fdkon VPN<\/a> zp\u016fsobuj\u00ed p\u0159edev\u0161\u00edm v\u00fdkonov\u011b n\u00e1ro\u010dn\u00e9 operace \u0161ifrov\u00e1n\u00ed a zpo\u017ed\u011bn\u00ed vyvolan\u00e1 p\u0159ep\u00edn\u00e1n\u00edm kontextu. Pro zrychlen\u00ed \u0161ifrov\u00e1n\u00ed se vyu\u017e\u00edvala procesorov\u00e1 roz\u0161\u00ed\u0159en\u00ed, jako je Intel AES-NI, ale p\u0159ep\u00edn\u00e1n\u00ed kontextu z\u016fst\u00e1valo \u00fazk\u00fdm hrdlem a\u017e do p\u0159\u00edchodu ovpn-dco. Krom\u011b vyu\u017eit\u00ed instrukc\u00ed poskytovan\u00fdch procesorem pro urychlen\u00ed \u0161ifrov\u00e1n\u00ed modul ovpn-dco nav\u00edc zaji\u0161\u0165uje rozd\u011blen\u00ed operac\u00ed \u0161ifrov\u00e1n\u00ed na samostatn\u00e9 segmenty a jejich zpracov\u00e1n\u00ed v v\u00edcevl\u00e1knov\u00e9m re\u017eimu, co\u017e umo\u017e\u0148uje vyu\u017e\u00edt v\u0161echny dostupn\u00e9 j\u00e1dra CPU. <\/p>\n

Mezi aktu\u00e1ln\u00edmi omezen\u00edmi implementace, kter\u00e1 budou v budoucnu odstran\u011bna, se uv\u00e1d\u00ed podpora pouze re\u017eim\u016f AEAD a ‘none’ (bez autentizace) a \u0161ifrovan\u00ed AES-GCM a CHACHA20POLY1305. Podporu DCO se pl\u00e1nuje za\u0159adit do vyd\u00e1n\u00ed OpenVPN 2.6, kter\u00e9 je napl\u00e1nov\u00e1no na 4. \u010dtvrtlet\u00ed leto\u0161n\u00edho roku. V sou\u010dasn\u00e9 dob\u011b je modul podporov\u00e1n v prob\u00edhaj\u00edc\u00edm beta testov\u00e1n\u00ed Linuxov\u00e9ho klienta OpenVPN3 a v experiment\u00e1ln\u00edch sestaven\u00edch serveru OpenVPN pro Linux. Podobn\u00fd modul ovpn-dco-win se tak\u00e9 vyv\u00edj\u00ed pro j\u00e1dro Windows.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u0447\u0430\u0441\u0442\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439 OpenVPN \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043c\u043e\u0434\u0443\u043b\u044c \u044f\u0434\u0440\u0430 ovpn-dco, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c VPN. \u041d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0442\u043e, \u0447\u0442\u043e \u043c\u043e\u0434\u0443\u043b\u044c \u043f\u043e\u043a\u0430 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441 \u043e\u0433\u043b\u044f\u0434\u043a\u043e\u0439 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 \u0432\u0435\u0442\u043a\u0443 linux-next \u0438 \u0438\u043c\u0435\u0435\u0442 \u0441\u0442\u0430\u0442\u0443\u0441 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0433\u043e, \u043e\u043d \u0443\u0436\u0435 \u0434\u043e\u0441\u0442\u0438\u0433 \u0443\u0440\u043e\u0432\u043d\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0432\u0448\u0435\u0433\u043e \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u0435\u0433\u043e \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u0435\u0440\u0432\u0438\u0441\u0430 OpenVPN Cloud. \u041f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0435\u0439 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":101360,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47P\u0159edstaven modul j\u00e1dra, kter\u00fd dok\u00e1\u017ee mnohon\u00e1sobn\u011b urychlit OpenVPN | ProHoster","description":"V\u00fdvoj\u00e1\u0159i bal\u00ed\u010dku pro vytv\u00e1\u0159en\u00ed virtu\u00e1ln\u00edch priv\u00e1tn\u00edch s\u00edt\u00ed OpenVPN p\u0159edstavili modul j\u00e1dra ovpn-dco, kter\u00fd v\u00fdrazn\u011b zrychl\u00ed v\u00fdkon VPN.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/predstavlen-modul-yadra-sposobnyj-v-razy-uskorit-openvpn","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043c\u043e\u0434\u0443\u043b\u044c \u044f\u0434\u0440\u0430, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b\u0439 \u0432 \u0440\u0430\u0437\u044b \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u044c OpenVPN | ProHoster","og:description":"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u0447\u0430\u0441\u0442\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439 OpenVPN \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043c\u043e\u0434\u0443\u043b\u044c \u044f\u0434\u0440\u0430 ovpn-dco, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c VPN.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/predstavlen-modul-yadra-sposobnyj-v-razy-uskorit-openvpn","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":"2021-09-21T20:22:43+00:00","article:modified_time":"2021-09-21T20:22:43+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"101359","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":"2021-09-21 20:24:49","updated":"2026-02-22 15:30:29","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/101359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=101359"}],"version-history":[{"count":2,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/101359\/revisions"}],"predecessor-version":[{"id":162281,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/101359\/revisions\/162281"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media\/101360"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=101359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=101359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=101359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}