{"id":88584,"date":"2020-07-15T01:42:13","date_gmt":"2020-07-14T23:42:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/nokia-predstavila-setevuyu-operaczionnuyu-sistemu-sr-linux-dlya-marshrutizatorov"},"modified":"2020-07-15T01:42:13","modified_gmt":"2020-07-14T23:42:13","slug":"nokia-predstavila-setevuyu-operaczionnuyu-sistemu-sr-linux-dlya-marshrutizatorov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/nokia-predstavila-setevuyu-operaczionnuyu-sistemu-sr-linux-dlya-marshrutizatorov","title":{"rendered":"Nokia zaprezentowa\u0142a system operacyjny SR Linux dla router\u00f3w","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Firma Nokia <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nokia.com\/about-us\/news\/releases\/2020\/07\/09\/nokia-announces-generational-step-in-data-center-networking-new-os-and-tools-give-cloud-builders-unprecedented-ability-to-adapt-automate-and-scale\/\">przedstawi\u0142a<\/a><\/noindex> nowy system operacyjny sieci <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nokia.com\/networks\/products\/service-router-linux-NOS\/\">Service Router Linux<\/a><\/noindex> (SR Linux), <noindex><a rel=\"nofollow\" href=\"https:\/\/onestore.nokia.com\/asset\/i\/207598\">skierowany<\/a><\/noindex> na u\u017cycie w infrastrukturze sieci centr\u00f3w danych i \u015brodowisk chmurowych. SR Linux jest uwa\u017cany za kluczowy komponent rozwi\u0105za\u0144 Nokia Data Center Fabric i b\u0119dzie instalowany na routerach serii Nokia 7250 IXR i 7220 IXR. Rozwi\u0105zanie oparte na SR Linux jest ju\u017c testowane w nowym du\u0144skim centrum danych firmy Apple.<\/p>\n<p>W odr\u00f3\u017cnieniu od innych system\u00f3w operacyjnych dla sprz\u0119tu sieciowego opartych na j\u0105drze Linux, SR Linux zachowuje mo\u017cliwo\u015b\u0107 dost\u0119pu do podstawowego \u015brodowiska platformy Linux, kt\u00f3re nie jest ukryte za specjalizowanymi interfejsami API. U\u017cytkownicy maj\u0105 dost\u0119p do niemodyfikowanego j\u0105dra Linux i podstawowych aplikacji systemowych (bash, cron, Python itd.), a specyficzne aplikacje s\u0105 tworzone przy u\u017cyciu narz\u0119dzi NetOps Toolkit, niezwi\u0105zanych z konkretnymi j\u0119zykami programowania. Aplikacje oparte na NetOps Toolkit, na przyk\u0142ad implementacje protoko\u0142\u00f3w routingu, maj\u0105 dost\u0119p do r\u00f3\u017cnych sieciowych API, ale dzia\u0142aj\u0105 jako niezale\u017cne komponenty. <\/p>\n<p>Takie podej\u015bcie umo\u017cliwia zarz\u0105dzanie aplikacjami oddzielnie od systemu operacyjnego, na przyk\u0142ad mo\u017cna zaktualizowa\u0107 aplikacj\u0119 bez wprowadzania zmian w systemie lub zaktualizowa\u0107 system operacyjny bez rekompilacji aplikacji. Opr\u00f3cz standardowych aplikacji, takich jak implementacje protoko\u0142\u00f3w routingu, mo\u017cliwe jest uruchamianie dowolnych program\u00f3w od zewn\u0119trznych producent\u00f3w. U\u017cycie niemodyfikowanego j\u0105dra Linux znacznie upraszcza zarz\u0105dzanie aktualizacjami zawieraj\u0105cymi \u0142atki bezpiecze\u0144stwa oraz tworzenie rozszerze\u0144. Zadeklarowany jest dost\u0119p do narz\u0119dzi, \u0142at i pakiet\u00f3w systemu Linux, a tak\u017ce wsparcie dla uruchamiania w izolowanych kontenerach.<br \/>\nObs\u0142ugiwane jest definiowanie punkt\u00f3w kontrolnych do przywracania zmian w przypadku problem\u00f3w.<\/p>\n<p><center><img decoding=\"async\" alt=\"Nokia zaprezentowa\u0142a system operacyjny SR Linux dla router\u00f3w\" src=\"\/wp-content\/uploads\/2020\/07\/36b9081550616b31dacef25de2b041b3.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>Zarz\u0105dzanie mo\u017ce by\u0107 prowadzone przez <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/openconfig\/gnmi\">gNMI<\/a><\/noindex> (gRPC Network Management Interface), interfejs wiersza polece\u0144, wtyczki w Pythonie oraz API oparte na JSON-RPC.<br \/>\nAby uzyska\u0107 dost\u0119p do funkcji dzia\u0142aj\u0105cych w systemie, zaleca si\u0119 korzystanie z gRPC oraz protoko\u0142u wymiany danych Protocol Buffers. Aplikacje SR Linux mog\u0105 wymienia\u0107 dane o stanie, wykorzystuj\u0105c architektur\u0119 \u201epublish\/subscribe\u201d (pub\/sub), w kt\u00f3rej r\u00f3wnie\u017c stosowane s\u0105 gRPC i Protocol Buffers, natomiast jako mechanizm gwarantuj\u0105cy dostaw\u0119 wykorzystywana jest baza danych IDB (Nokia Impart Database).<br \/>\nDo strukturyzacji informacji o stanie aplikacji i u\u017cywanej konfiguracji stosuje si\u0119 modele danych YANG (Yet Another Next Generation, <noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc6020\">RFC-6020<\/a><\/noindex>). <\/p>\n<p>Implementacje protoko\u0142\u00f3w sieciowych, w tym Multiprotocol Border Gateway Protocol (MP-BGP), Ethernet VPN (EVPN) oraz Virtual Extensible LAN (VXLAN), opieraj\u0105 si\u0119 na sprawdzonym stosie protoko\u0142\u00f3w SR OS (Nokia Service Router Operating System), ju\u017c wykorzystywanym na ponad milionie router\u00f3w Nokia. Aby abstrahowa\u0107 od komponent\u00f3w sprz\u0119towych, u\u017cywana jest podsystem <noindex><a rel=\"nofollow\" href=\"https:\/\/www.iovisor.org\/technology\/xdp\">XDP<\/a><\/noindex> (eXtensible Data Path).<\/p>\n<p>Aby zautomatyzowa\u0107 operacje zwi\u0105zane z tworzeniem, wdra\u017caniem i konfiguracj\u0105 infrastruktury sieciowej w centrum danych, a tak\u017ce zbieraniem i analizowaniem telemetrii, proponowana jest platforma Nokia Fabric Services (FSP). FSP oferuje r\u00f3wnie\u017c narz\u0119dzia do programowej symulacji sieci, co upraszcza planowanie, projektowanie, testowanie i debugowanie sieci w centrach danych. Komponenty sieciowe s\u0105 symulowane za pomoc\u0105 izolacji kontenerowej opartej na platformie Kubernetes, co pozwala na uruchamianie oddzielnych instancji SR Linux w swoich izolowanych \u015brodowiskach.<\/p>\n<p>FSP zasadniczo pozwala na programowe utworzenie wirtualnej kopii rzeczywistej sieci oraz korzystanie w tej symulowanej sieci z tego samego oprogramowania (SR Linux w kontenerach), kt\u00f3re jest u\u017cywane na rzeczywistych routerach i switchach. Co wi\u0119cej, w rzeczywistej i symulowanej sieci stosuje si\u0119 t\u0119 sam\u0105 konfiguracj\u0119, co pozwala u\u017cywa\u0107 programowo symulowanej sieci jako pierwszego etapu wprowadzania i testowania zmian. Na podstawie symulowanego \u015brodowiska FSP mo\u017ce wygenerowa\u0107 wszystkie informacje potrzebne do wdro\u017cenia rzeczywistej sieci. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53357\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Nokia \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043d\u043e\u0432\u0443\u044e \u0441\u0435\u0442\u0435\u0432\u0443\u044e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 Service Router Linux (SR Linux), \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0443\u044e \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0432 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435 \u0446\u0435\u043d\u0442\u0440\u043e\u0432 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u043e\u0431\u043b\u0430\u0447\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439. SR Linux \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u0439 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442 \u0440\u0435\u0448\u0435\u043d\u0438\u0439 Nokia Data Center Fabric \u0438 \u0431\u0443\u0434\u0435\u0442 \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u043d\u0430 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u044b \u043b\u0438\u043d\u0435\u0439\u043a\u0438 Nokia 7250 IXR \u0438 7220 IXR. \u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u043d\u0430 \u0431\u0430\u0437\u0435 SR Linux \u0443\u0436\u0435 \u043f\u0440\u043e\u0445\u043e\u0434\u0438\u0442 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":88585,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-88584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Nokia\" \/>\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\/pl\/blog\/news\/nokia-predstavila-setevuyu-operaczionnuyu-sistemu-sr-linux-dlya-marshrutizatorov\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"pl_PL\" 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