{"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\/sk\/blog\/news\/nokia-predstavila-setevuyu-operaczionnuyu-sistemu-sr-linux-dlya-marshrutizatorov","title":{"rendered":"Nokia predstavila sie\u0165ov\u00fd opera\u010dn\u00fd syst\u00e9m SR Linux pre smerova\u010de","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spolo\u010dnos\u0165 Nokia predstavila<\/a><\/noindex> nov\u00fd sie\u0165ov\u00fd opera\u010dn\u00fd syst\u00e9m Service Router Linux<\/a><\/noindex> (SR Linux), zameran\u00fd<\/a><\/noindex> na pou\u017eitie v sie\u0165ovej infra\u0161trukt\u00fare centier spr\u00e1vy d\u00e1t a cloudov\u00fdch prostred\u00ed. SR Linux je pova\u017eovan\u00fd za k\u013e\u00fa\u010dov\u00fd komponent rie\u0161en\u00ed Nokia Data Center Fabric a bude sa in\u0161talova\u0165 na routery radu Nokia 7250 IXR a 7220 IXR. Rie\u0161enie zalo\u017een\u00e9 na SR Linux u\u017e prech\u00e1dza testovan\u00edm v novom d\u00e1nskom d\u00e1tovom centre spolo\u010dnosti Apple.<\/p>\n

Na rozdiel od in\u00fdch opera\u010dn\u00fdch syst\u00e9mov pre sie\u0165ov\u00e9 zariadenia na b\u00e1ze jadra Linux, SR Linux zachov\u00e1va pr\u00edstup k z\u00e1kladn\u00e9mu Linuxov\u00e9mu prostrediu, ktor\u00e9 nie je skryt\u00e9 za \u0161pecializovan\u00fdmi API a rozhraniami. Pou\u017e\u00edvatelia maj\u00fa pr\u00edstup k nemodifikovan\u00e9mu jadru Linux a z\u00e1kladn\u00fdm syst\u00e9mov\u00fdm aplik\u00e1ci\u00e1m (bash, cron, Python at\u010f.), pri\u010dom \u0161pecifick\u00e9 aplik\u00e1cie s\u00fa vytv\u00e1ran\u00e9 pomocou n\u00e1strojov NetOps Toolkit, ktor\u00e9 nie s\u00fa viazan\u00e9 na konkr\u00e9tne programovacie jazyky. Aplik\u00e1cie zalo\u017een\u00e9 na NetOps Toolkit, napr\u00edklad implement\u00e1cie smerovac\u00edch protokolov, z\u00edskavaj\u00fa pr\u00edstup k r\u00f4znym sie\u0165ov\u00fdm API, ale funguj\u00fa ako nez\u00e1visl\u00e9 komponenty. <\/p>\n

Tak\u00fdto pr\u00edstup umo\u017e\u0148uje spravova\u0165 aplik\u00e1cie oddelene od opera\u010dn\u00e9ho syst\u00e9mu, napr\u00edklad je mo\u017en\u00e9 aktualizova\u0165 aplik\u00e1ciu bez zmien v syst\u00e9me alebo aktualizova\u0165 opera\u010dn\u00fd syst\u00e9m bez prekompilovania aplik\u00e1ci\u00ed. Okrem \u0161tandardn\u00fdch aplik\u00e1ci\u00ed, ako s\u00fa implement\u00e1cie smerovac\u00edch protokolov, je povolen\u00e9 sp\u00fa\u0161\u0165a\u0165 aj vlastn\u00e9 programy tretej strany. Pou\u017eitie nemodifikovan\u00e9ho jadra Linux zna\u010dne zjednodu\u0161uje \u00fadr\u017ebu opr\u00e1v na odstr\u00e1nenie zranite\u013enost\u00ed a vytv\u00e1ranie nadstavieb. Je vyhl\u00e1sen\u00e1 mo\u017enos\u0165 pr\u00edstupu k Linuxov\u00fdm utilit\u00e1m, opr\u00e1v a bal\u00edkom, ako aj podpora sp\u00fa\u0161\u0165ania v izolovan\u00fdch kontajneroch.
\nPodporuje sa defin\u00edcia kontroln\u00fdch bodov na n\u00e1vrat zmien v pr\u00edpade probl\u00e9mov.<\/p>\n

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

Spr\u00e1va sa m\u00f4\u017ee vykon\u00e1va\u0165 cez gNMI<\/a><\/noindex> (gRPC Network Management Interface), rozhranie pr\u00edkazov\u00e9ho riadku, pluginy na Python a API na b\u00e1ze JSON-RPC.
\nNa pr\u00edstup k funk\u010dnosti slu\u017eieb, ktor\u00e9 pracuj\u00fa v syst\u00e9me, sa odpor\u00fa\u010da pou\u017e\u00edva\u0165 gRPC a protokol pre prenos \u00fadajov Protocol Buffers. Aplik\u00e1cie SR Linux m\u00f4\u017eu zdie\u013ea\u0165 \u00fadaje o stave pomocou architekt\u00fary \u201epublish\/subscribe\u201c (pub\/sub), v ktorej sa taktie\u017e pou\u017e\u00edva gRPC a Protocol Buffers, a ako mechanizmus garantovanej dopravy sa vyu\u017e\u00edva IDB (Nokia Impart Database).
\nNa \u0161trukt\u00farovanie inform\u00e1ci\u00ed o stave aplik\u00e1cie a pou\u017e\u00edvanej konfigur\u00e1cii sa pou\u017e\u00edvaj\u00fa modely \u00fadajov YANG (Yet Another Next Generation, RFC-6020<\/a><\/noindex>). <\/p>\n

Implement\u00e1cie sie\u0165ov\u00fdch protokolov, vr\u00e1tane Multiprotocol Border Gateway Protocol (MP-BGP), Ethernet VPN (EVPN) a Virtual Extensible LAN (VXLAN), s\u00fa zalo\u017een\u00e9 na osved\u010denom protokolovom stacku SR OS (Nokia Service Router Operating System), ktor\u00fd je u\u017e pou\u017eit\u00fd na viac ako mili\u00f3ne smerova\u010dov Nokia. Na abstrakciu od hardv\u00e9rov\u00fdch komponentov sa pou\u017e\u00edva subsyst\u00e9m XDP<\/a><\/noindex> (eXtensible Data Path).<\/p>\n

Na automatiz\u00e1ciu oper\u00e1ci\u00ed s\u00favisiacich so zriaden\u00edm, nasaden\u00edm, konfigur\u00e1ciou sie\u0165ovej infra\u0161trukt\u00fary d\u00e1tov\u00fdch centier, ako aj na zbieranie a anal\u00fdzu telemetrie sa navrhuje Nokia Fabric Services Platform (FSP). FSP tie\u017e poskytuje n\u00e1stroje na programov\u00fa simul\u00e1ciu siete na zjednodu\u0161enie pl\u00e1novania, navrhovania, testovania a ladenia siet\u00ed v d\u00e1tov\u00fdch centr\u00e1ch. Sie\u0165ov\u00e9 komponenty s\u00fa simulovan\u00e9 pomocou kontajnerovej izol\u00e1cie na b\u00e1ze platformy Kubernetes, ktor\u00e1 umo\u017e\u0148uje sp\u00fa\u0161\u0165a\u0165 samostatn\u00e9 instance SR Linux vo svojich izolovan\u00fdch prostrediach.<\/p>\n

V podstate FSP umo\u017e\u0148uje programovo vytvori\u0165 virtu\u00e1lnu k\u00f3piu skuto\u010dnej siete a pou\u017e\u00edva\u0165 v tejto simulovanej sieti to ist\u00e9 softv\u00e9rov\u00e9 vybavenie (SR Linux v kontajneroch), ktor\u00e9 sa pou\u017e\u00edva na skuto\u010dn\u00fdch smerova\u010doch a prep\u00edna\u010doch. \u010co viac, v re\u00e1lnej a simulovanej sieti sa pou\u017e\u00edva rovnak\u00e1 konfigur\u00e1cia, \u010do umo\u017e\u0148uje vyu\u017e\u00edva\u0165 programovo simulovan\u00fa sie\u0165 ako prv\u00fd \u010dl\u00e1nok na vykon\u00e1vanie a testovanie zmien. Na z\u00e1klade simulovan\u00e9ho prostredia m\u00f4\u017ee FSP generova\u0165 v\u0161etky inform\u00e1cie potrebn\u00e9 na nasadenie skuto\u010dnej siete. <\/p>\n

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

Zdroj: 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\udd47Nokia predstavila sie\u0165ov\u00fa opera\u010dn\u00fa s\u00fastavu SR Linux pre smerova\u010de | ProHoster","description":"Spolo\u010dnos\u0165 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