{"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\/et\/blog\/news\/nokia-predstavila-setevuyu-operaczionnuyu-sistemu-sr-linux-dlya-marshrutizatorov","title":{"rendered":"Nokia esitles ruuterite jaoks m\u00f5eldud v\u00f5rguhalduss\u00fcsteemi SR Linux.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Nokia esituse<\/a><\/noindex> uus v\u00f5rguoperatsioonis\u00fcsteem Service Router Linux<\/a><\/noindex> (SR Linux), suunatud<\/a><\/noindex> mille eesm\u00e4rk on kasutada andmekeskuse ja pilveinfrastruktuuris. SR Linux on m\u00e4\u00e4ratud Nokia andmekeskuse tarkvara lahenduste tuumikkomponendiks ja see paigutatakse Nokia 7250 IXR ja 7220 IXR marsruutidesse. SR Linuxi p\u00f5hine lahendus on juba testimisel Apple'i uues Taani andmekeskuses.<\/p>\n

Erinevalt teistest Linuxi p\u00f5histest v\u00f5rguoperatsioonis\u00fcsteemidest pakub SR Linux v\u00f5imalust juurdep\u00e4\u00e4suks selle aluseks olevale Linuxi keskkonnale, mis ei ole varjatud spetsialiseeritud API-de ja liideste taha. Kasutajad p\u00e4\u00e4sevad juurde muudetud Linuxi tuumale ja p\u00f5hisisendrakendustele (bash, cron, Python jne), samas kui spetsiifilisi rakendusi luuakse NetOps Toolkit'i t\u00f6\u00f6riistade abil, mis ei ole seotud konkreetsete programmeerimiskeeltega. NetOps Toolkit'il p\u00f5hinevad rakendused, n\u00e4iteks marsruutimisprotokollide rakendused, saavad juurdep\u00e4\u00e4su erinevatele v\u00f5rgu API-dele, kuid toimivad s\u00f5ltumatute komponentidena. <\/p>\n

Selline l\u00e4henemine v\u00f5imaldab rakenduste haldamist eraldi operatsioonis\u00fcsteemist, n\u00e4iteks saab rakendust uuendada ilma s\u00fcsteemimuudatusteta v\u00f5i operatsioonis\u00fcsteemi uuendada ilma rakendusi uuesti koostamata. Lisaks tava rakendustele, nagu marsruutimisprotokollide rakendused, on lubatud k\u00e4itada ka kolmandate osapoolte programme. Muudetud Linuxi tuuma kasutamine lihtsustab oluliselt turvapaigandite haldamist ja t\u00e4ienduste loomist. On lubatud juurdep\u00e4\u00e4s Linuxi utiliitidele, patareidele ja pakettidele, samuti toetatakse eraldatud konteinerites k\u00e4ivitamist.
\nToetatakse muudatuste tagasiv\u00f5tu kontrollpunktide m\u00e4\u00e4ratlemist probleemide korral.<\/p>\n

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

Haldus v\u00f5ib toimuda l\u00e4bi gNMI<\/a><\/noindex> (gRPC Network Management Interface), k\u00e4surealiidese, Python'i pluginite ja JSON-RPC-p\u00f5histe API-de kaudu.
\nOperatiivsete teenuste funktsionaalsuse kasutamiseks on soovitatav kasutada gRPC ja andmevahetuse protokolli Protocol Buffers. SR Linux rakendused saavad vahetada olekuandmeid, kasutades 'publish\/subscribe' (pub\/sub) arhidektuur, kus kasutatakse ka gRPC ja Protocol Buffers, ning tagatud kohaletoimetamise mehhanismina kasutatakse IDB (Nokia Impart Database).
\nRakenduse oleku ja kasutatava konfiguratsiooni teabe struktuuri korraldamiseks kasutatakse YANG (Yet Another Next Generation, RFC-6020.<\/a><\/noindex>). <\/p>\n

V\u00f5rgu protokollide rakendused, sealhulgas Multiprotocol Border Gateway Protocol (MP-BGP), Ethernet VPN (EVPN) ja Virtual Extensible LAN (VXLAN), p\u00f5hinevad t\u00f5estatud SR OS (Nokia Service Router Operating System) protokollide virnal, mida on juba rakendatud enam kui miljonis Nokia marsruutijas. Riistvarakomponentidest abstraheerimise jaoks kasutatakse subsystemi XDP<\/a><\/noindex> (eXtensible Data Path).<\/p>\n

V\u00f5rgu infrastruktuuri loomise, juurutamise, konfigureerimise, telemeetria kogumise ja anal\u00fc\u00fcsi automatiseerimiseks pakutakse Nokia Fabric Services Platform (FSP). FSP pakub ka v\u00f5rgu simuleerimise t\u00f6\u00f6riistu v\u00f5rkude planeerimise, projekteerimise, testimise ja t\u00f5rkeotsingu lihtsustamiseks andmekeskustes. V\u00f5rgu komponente simuleeritakse konteineri isolatsiooni abil Kubernetes'i platvormil, mis v\u00f5imaldab k\u00e4itada eraldi SR Linux'i eksemplare oma eraldatud keskkondades.<\/p>\n

FSP v\u00f5imaldab programmiliselt luua virtuaalset koopia t\u00f5elisest v\u00f5rgust ja kasutada selles simuleeritud v\u00f5rgus sama tarkvara (SR Linux konteinerites), mida kasutatakse reaalsetes marsruutijates ja l\u00fclitites. Veelgi enam, reaalsetes ja simuleeritud v\u00f5rkudes kasutatakse \u00fchte ja sama konfiguratsiooni, mis v\u00f5imaldab kasutada programmiliselt simuleeritud v\u00f5rku kui esimest etappi muudatuste sisseviimiseks ja testimiseks. Simuleeritud keskkonna p\u00f5hjal v\u00f5ib FSP genereerida kogu teabe, mis on vajalik reaalse v\u00f5rgu juurutamiseks. <\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 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