{"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\/hu\/blog\/news\/nokia-predstavila-setevuyu-operaczionnuyu-sistemu-sr-linux-dlya-marshrutizatorov","title":{"rendered":"A Nokia bemutatta az SR Linux h\u00e1l\u00f3zati oper\u00e1ci\u00f3s rendszert az \u00fatv\u00e1laszt\u00f3k sz\u00e1m\u00e1ra","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Nokia c\u00e9g bemutatta<\/a><\/noindex> \u00faj h\u00e1l\u00f3zati oper\u00e1ci\u00f3s rendszert Service Router Linux<\/a><\/noindex> (SR Linux), amely<\/a><\/noindex> a data center \u00e9s felh\u0151 k\u00f6rnyezetek h\u00e1l\u00f3zati infrastrukt\u00far\u00e1j\u00e1ba val\u00f3 haszn\u00e1latra. Az SR Linux kulcsfontoss\u00e1g\u00fa elemnek sz\u00e1m\u00edt a Nokia Data Center Fabric megold\u00e1saiban, \u00e9s a Nokia 7250 IXR \u00e9s 7220 IXR sorozat\u00fa routerekre lesz telep\u00edtve. Az SR Linux alap\u00fa megold\u00e1s m\u00e1r tesztel\u00e9s alatt \u00e1ll az Apple \u00faj d\u00e1n adatk\u00f6zpontj\u00e1ban.<\/p>\n

A Linux kernel alap\u00fa egy\u00e9b oper\u00e1ci\u00f3s rendszerekkel ellent\u00e9tben az SR Linux lehet\u0151s\u00e9get biztos\u00edt a Linux k\u00f6rnyezethez val\u00f3 hozz\u00e1f\u00e9r\u00e9sre, amelyet nem rejtettek el speci\u00e1lis API-k \u00e9s interf\u00e9szek m\u00f6g\u00f6tt. A felhaszn\u00e1l\u00f3k hozz\u00e1f\u00e9r\u00e9st kapnak a m\u00f3dos\u00edtatlan Linux kernelhez \u00e9s a b\u00e1zis rendszerszoftverekhez (bash, cron, Python stb.), m\u00edg a specifikus alkalmaz\u00e1sok a NetOps Toolkit eszk\u00f6z\u00e9vel k\u00e9sz\u00fclnek, amely nincs k\u00f6tve meghat\u00e1rozott programoz\u00e1si nyelvekhez. A NetOps Toolkit-re \u00e9p\u00fcl\u0151 alkalmaz\u00e1sok, mint p\u00e9ld\u00e1ul a routing protokollok megval\u00f3s\u00edt\u00e1sai, hozz\u00e1f\u00e9r\u00e9st kapnak k\u00fcl\u00f6nb\u00f6z\u0151 h\u00e1l\u00f3zati API-khoz, de f\u00fcggetlen komponensk\u00e9nt m\u0171k\u00f6dnek. <\/p>\n

Ez a megk\u00f6zel\u00edt\u00e9s lehet\u0151v\u00e9 teszi az alkalmaz\u00e1sok kezel\u00e9s\u00e9t az oper\u00e1ci\u00f3s rendszert\u0151l f\u00fcggetlen\u00fcl, p\u00e9ld\u00e1ul friss\u00edtheti az alkalmaz\u00e1st an\u00e9lk\u00fcl, hogy rendszerbeli v\u00e1ltoztat\u00e1sokat kellene v\u00e9grehajtania, vagy friss\u00edtheti az oper\u00e1ci\u00f3s rendszert az alkalmaz\u00e1sok \u00fajra\u00e9p\u00edt\u00e9se n\u00e9lk\u00fcl. A standard alkalmaz\u00e1sok, mint p\u00e9ld\u00e1ul a routing protokollok megval\u00f3s\u00edt\u00e1sai mellett, harmadik f\u00e9lt\u0151l sz\u00e1rmaz\u00f3 programok futtat\u00e1sa is enged\u00e9lyezett. A m\u00f3dos\u00edtatlan Linux kernel haszn\u00e1lata jelent\u0151sen megk\u00f6nny\u00edti a biztons\u00e1gi sebezhet\u0151s\u00e9gek jav\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges patch-ek karbantart\u00e1s\u00e1t \u00e9s kieg\u00e9sz\u00edt\u00e9sek k\u00e9sz\u00edt\u00e9s\u00e9t. Lehet\u0151v\u00e9 teszi a Linux seg\u00e9dprogramokhoz, jav\u00edt\u00e1sokhoz \u00e9s csomagokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9st, valamint t\u00e1mogatja az izol\u00e1lt kont\u00e9nerekben t\u00f6rt\u00e9n\u0151 futtat\u00e1st.
\nT\u00e1mogatott a vissza\u00e1ll\u00edt\u00e1si pontok meghat\u00e1roz\u00e1sa a v\u00e1ltoztat\u00e1sok vissza\u00e1ll\u00edt\u00e1s\u00e1hoz probl\u00e9m\u00e1k eset\u00e9n.<\/p>\n

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

A kezel\u00e9s elv\u00e9gezhet\u0151 gNMI<\/a><\/noindex> (gRPC H\u00e1l\u00f3zatkezel\u00e9si Interf\u00e9sz), parancssori fel\u00fclet, Python pluginek \u00e9s JSON-RPC alap\u00fa API-n kereszt\u00fcl.
\nA rendszeren m\u0171k\u00f6d\u0151 szolg\u00e1ltat\u00e1sok funkcionalit\u00e1s\u00e1nak el\u00e9r\u00e9s\u00e9hez javasolt a gRPC \u00e9s a Protocol Buffers adatcsere protokoll haszn\u00e1lata. Az SR Linux alkalmaz\u00e1sok az \u00e1llapotinform\u00e1ci\u00f3k cser\u00e9j\u00e9re a «publish\/subscribe» (pub\/sub) architekt\u00far\u00e1t haszn\u00e1lj\u00e1k, amelyben szint\u00e9n alkalmazz\u00e1k a gRPC-t \u00e9s a Protocol Buffers-t, a garant\u00e1lt adat\u00e1tvitel mechanizmusak\u00e9nt pedig az IDB (Nokia Impart Database) szolg\u00e1l.
\nAz alkalmaz\u00e1s \u00e1llapot\u00e1r\u00f3l \u00e9s a haszn\u00e1lt konfigur\u00e1ci\u00f3r\u00f3l sz\u00f3l\u00f3 inform\u00e1ci\u00f3k struktur\u00e1l\u00e1s\u00e1hoz YANG (Yet Another Next Generation) adatmodelleket alkalmaznak. RFC-6020<\/a><\/noindex>). <\/p>\n

A h\u00e1l\u00f3zati protokollok, bele\u00e9rtve a Multiprotocol Border Gateway Protocol (MP-BGP), Ethernet VPN (EVPN) \u00e9s Virtual Extensible LAN (VXLAN) megval\u00f3s\u00edt\u00e1sai a SR OS (Nokia Service Router Operating System) bizony\u00edtott protokollstackj\u00e1n alapulnak, amely m\u00e1r t\u00f6bb mint egymilli\u00f3 Nokia routeren van telep\u00edtve. A hardverkomponensekt\u0151l val\u00f3 absztrah\u00e1l\u00e1s \u00e9rdek\u00e9ben haszn\u00e1lj\u00e1k a XDP<\/a><\/noindex> (eXtensible Data Path) rendszert.<\/p>\n

A DC h\u00e1l\u00f3zati infrastrukt\u00far\u00e1j\u00e1nak l\u00e9trehoz\u00e1s\u00e1hoz, telep\u00edt\u00e9s\u00e9hez, konfigur\u00e1l\u00e1s\u00e1hoz, valamint a telemetria gy\u0171jt\u00e9s\u00e9hez \u00e9s elemz\u00e9s\u00e9hez a Nokia Fabric Services Platform (FSP) \u00e1ll rendelkez\u00e9sre. Az FSP eszk\u00f6z\u00f6ket is biztos\u00edt a h\u00e1l\u00f3zati szimul\u00e1ci\u00f3hoz, amelyek megk\u00f6nny\u00edtik a tervez\u00e9st, a tervez\u00e9st, a tesztel\u00e9st \u00e9s a hibakeres\u00e9st a data centerekben. A h\u00e1l\u00f3zati komponensek kont\u00e9neriz\u00e1ci\u00f3val vannak szimul\u00e1lva a Kubernetes platform alapjain, lehet\u0151v\u00e9 t\u00e9ve az SR Linux k\u00fcl\u00f6n\u00e1ll\u00f3 p\u00e9ld\u00e1nyainak futtat\u00e1s\u00e1t k\u00fcl\u00f6n izol\u00e1lt k\u00f6rnyezetekben.<\/p>\n

Az FSP l\u00e9nyeg\u00e9ben lehet\u0151v\u00e9 teszi, hogy programozottan l\u00e9trehozzuk a val\u00f3di h\u00e1l\u00f3zat virtu\u00e1lis m\u00e1solat\u00e1t, \u00e9s ugyanazt a szoftvert (SR Linux kont\u00e9nerekben) haszn\u00e1ljuk ezen a szimul\u00e1lt h\u00e1l\u00f3zaton, amit a val\u00f3s routereken \u00e9s switcheken is haszn\u00e1lnak. S\u0151t, a val\u00f3di \u00e9s a szimul\u00e1lt h\u00e1l\u00f3zaton ugyanazt a konfigur\u00e1ci\u00f3t haszn\u00e1lj\u00e1k, ami lehet\u0151v\u00e9 teszi, hogy a programozottan szimul\u00e1lt h\u00e1l\u00f3zat els\u0151 l\u00e9p\u00e9sk\u00e9nt szolg\u00e1ljon a v\u00e1ltoz\u00e1sok bevezet\u00e9s\u00e9re \u00e9s tesztel\u00e9s\u00e9re. A szimul\u00e1lt k\u00f6rnyezet alapjain az FSP k\u00e9pes gener\u00e1lni az \u00f6sszes sz\u00fcks\u00e9ges inform\u00e1ci\u00f3t a val\u00f3di h\u00e1l\u00f3zat telep\u00edt\u00e9s\u00e9hez. <\/p>\n

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

Forr\u00e1s: 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 […]<\/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\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\udd47A Nokia bemutatta az SR Linux h\u00e1l\u00f3zati oper\u00e1ci\u00f3s rendszert a routerekhez | ProHoster","description":"Nokia 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