{"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\/cs\/blog\/news\/nokia-predstavila-setevuyu-operaczionnuyu-sistemu-sr-linux-dlya-marshrutizatorov","title":{"rendered":"Nokia p\u0159edstavila s\u00ed\u0165ov\u00fd opera\u010dn\u00ed syst\u00e9m SR Linux pro sm\u011brova\u010de","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Nokia p\u0159edstavila<\/a><\/noindex> nov\u00fd s\u00ed\u0165ov\u00fd opera\u010dn\u00ed syst\u00e9m Service Router Linux<\/a><\/noindex> (SR Linux), zam\u011b\u0159enou<\/a><\/noindex> na pou\u017eit\u00ed v s\u00ed\u0165ov\u00e9 infrastruktu\u0159e datov\u00fdch center a cloudov\u00fdch prost\u0159ed\u00ed. SR Linux je pova\u017eov\u00e1n za kl\u00ed\u010dovou sou\u010d\u00e1st \u0159e\u0161en\u00ed Nokia Data Center Fabric a bude instalov\u00e1n na sm\u011brova\u010de \u0159ady Nokia 7250 IXR a 7220 IXR. \u0158e\u0161en\u00ed zalo\u017een\u00e9 na SR Linux ji\u017e proch\u00e1z\u00ed testov\u00e1n\u00edm v nov\u00e9m d\u00e1nsk\u00e9m datov\u00e9m centru spole\u010dnosti Apple.<\/p>\n

Na rozd\u00edl od jin\u00fdch OS pro s\u00ed\u0165ov\u00e9 za\u0159\u00edzen\u00ed zalo\u017een\u00fdch na j\u00e1dru Linux, SR Linux zachov\u00e1v\u00e1 mo\u017enost p\u0159\u00edstupu k z\u00e1kladn\u00edmu prost\u0159ed\u00ed platformy Linux, kter\u00e9 nen\u00ed skryto za specializovan\u00fdmi API a rozhran\u00edmi. U\u017eivatel\u00e9 maj\u00ed p\u0159\u00edstup k nemodifikovan\u00e9mu j\u00e1dru Linux a z\u00e1kladn\u00edm syst\u00e9mov\u00fdm aplikac\u00edm (bash, cron, Python atd.), a specifick\u00e9 aplikace jsou vytv\u00e1\u0159eny pomoc\u00ed n\u00e1stroje NetOps Toolkit, kter\u00fd nen\u00ed v\u00e1z\u00e1n na konkr\u00e9tn\u00ed programovac\u00ed jazyky. Aplikace zalo\u017een\u00e9 na NetOps Toolkit, nap\u0159\u00edklad implementace sm\u011brovac\u00edch protokol\u016f, maj\u00ed p\u0159\u00edstup k r\u016fzn\u00fdm s\u00ed\u0165ov\u00fdm API, ale funguj\u00ed jako nez\u00e1visl\u00e9 komponenty. <\/p>\n

Tento p\u0159\u00edstup umo\u017e\u0148uje spravovat aplikace samostatn\u011b od opera\u010dn\u00edho syst\u00e9mu, nap\u0159\u00edklad lze aktualizovat aplikaci bez prov\u00e1d\u011bn\u00ed syst\u00e9mov\u00fdch zm\u011bn nebo aktualizovat opera\u010dn\u00ed syst\u00e9m bez znovu sestaven\u00ed aplikac\u00ed. Krom\u011b standardn\u00edch aplikac\u00ed, jako jsou implementace sm\u011brovac\u00edch protokol\u016f, je povoleno spou\u0161t\u011bt libovoln\u00e9 programy od t\u0159et\u00edch stran. Pou\u017eit\u00ed nemodifikovan\u00e9ho j\u00e1dra Linux v\u00fdrazn\u011b zjednodu\u0161uje \u00fadr\u017ebu patch\u016f na odstran\u011bn\u00ed zranitelnost\u00ed a vytv\u00e1\u0159en\u00ed nadstaveb. Byla ozn\u00e1mena mo\u017enost p\u0159\u00edstupu k Linuxov\u00fdm utilit\u00e1m, patch\u016fm a bal\u00ed\u010dk\u016fm, stejn\u011b jako podpora spu\u0161t\u011bn\u00ed v izolovan\u00fdch kontejnerech.
\nPodporov\u00e1no je definov\u00e1n\u00ed kontroln\u00edch bod\u016f pro vr\u00e1cen\u00ed zm\u011bn v p\u0159\u00edpad\u011b probl\u00e9m\u016f.<\/p>\n

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

Spr\u00e1va m\u016f\u017ee prob\u00edhat p\u0159es gNMI<\/a><\/noindex> (gRPC Network Management Interface), p\u0159\u00edkazov\u00fd \u0159\u00e1dek, pluginy v Pythonu a API na b\u00e1zi JSON-RPC.
\nPro p\u0159\u00edstup k funkcionalit\u011b slu\u017eeb, kter\u00e9 pracuj\u00ed v syst\u00e9mu, se doporu\u010duje pou\u017e\u00edt gRPC a protokol pro v\u00fdm\u011bnu dat Protocol Buffers. Aplikace SR Linux mohou vym\u011b\u0148ovat informace o stavu pomoc\u00ed architektury \u201epublish\/subscribe\u201c (pub\/sub), kde se rovn\u011b\u017e pou\u017e\u00edvaj\u00ed gRPC a Protocol Buffers, a jako mechanismus zaru\u010den\u00e9ho doru\u010den\u00ed se vyu\u017e\u00edv\u00e1 IDB (Nokia Impart Database).
\nPro strukturov\u00e1n\u00ed informac\u00ed o stavu aplikace a pou\u017eit\u00e9 konfiguraci se uplat\u0148uj\u00ed datov\u00e9 modely YANG (Yet Another Next Generation, RFC-6020<\/a><\/noindex>). <\/p>\n

Implementace s\u00ed\u0165ov\u00fdch protokol\u016f, v\u010detn\u011b Multiprotocol Border Gateway Protocol (MP-BGP), Ethernet VPN (EVPN) a Virtual Extensible LAN (VXLAN), jsou postaveny na ov\u011b\u0159en\u00e9 sad\u011b protokol\u016f SR OS (Nokia Service Router Operating System), ji\u017e pou\u017e\u00edvan\u00e9 na v\u00edce ne\u017e jednom milionu sm\u011brova\u010d\u016f Nokia. Pro abstrahov\u00e1n\u00ed od hardwarov\u00fdch komponent\u016f se pou\u017e\u00edv\u00e1 subsyst\u00e9m XDP<\/a><\/noindex> (eXtensible Data Path).<\/p>\n

Pro automatizaci prov\u00e1d\u011bn\u00ed operac\u00ed p\u0159i vytv\u00e1\u0159en\u00ed, nasazov\u00e1n\u00ed, konfiguraci s\u00ed\u0165ov\u00e9 infrastruktury datov\u00fdch center, shroma\u017e\u010fov\u00e1n\u00ed a anal\u00fdze telemetrie se doporu\u010duje platforma Nokia Fabric Services Platform (FSP). FSP tak\u00e9 poskytuje n\u00e1stroje pro softwarovou simulaci s\u00edt\u011b, kter\u00e9 usnad\u0148uj\u00ed pl\u00e1nov\u00e1n\u00ed, n\u00e1vrh, testov\u00e1n\u00ed a lad\u011bn\u00ed s\u00edt\u00ed v datov\u00fdch centrech. S\u00ed\u0165ov\u00e9 komponenty jsou simulov\u00e1ny pomoc\u00ed kontejnorov\u00e9 izolace na b\u00e1zi platformy Kubernetes, kter\u00e1 umo\u017e\u0148uje spou\u0161t\u011bt jednotliv\u00e9 instance SR Linux ve sv\u00fdch izolovan\u00fdch prost\u0159ed\u00edch.<\/p>\n

V podstat\u011b FSP umo\u017e\u0148uje programov\u011b vytvo\u0159it virtu\u00e1ln\u00ed kopii skute\u010dn\u00e9 s\u00edt\u011b a pou\u017e\u00edvat v t\u00e9to simulovan\u00e9 s\u00edti stejn\u00fd software (SR Linux v kontejnerech), kter\u00fd se pou\u017e\u00edv\u00e1 na skute\u010dn\u00fdch sm\u011brova\u010d\u00edch a p\u0159ep\u00edna\u010d\u00edch. Nav\u00edc, v re\u00e1ln\u00e9 i simulovan\u00e9 s\u00edti se pou\u017e\u00edv\u00e1 stejn\u00e1 konfigurace, co\u017e umo\u017e\u0148uje pou\u017e\u00edt programov\u011b simulovanou s\u00ed\u0165 jako prvn\u00ed krok pro prov\u00e1d\u011bn\u00ed a testov\u00e1n\u00ed zm\u011bn. Na z\u00e1klad\u011b simulovan\u00e9ho prost\u0159ed\u00ed m\u016f\u017ee FSP vygenerovat v\u0161echny informace pot\u0159ebn\u00e9 pro nasazen\u00ed skute\u010dn\u00e9 s\u00edt\u011b. <\/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 p\u0159edstavila s\u00ed\u0165ov\u00fd opera\u010dn\u00ed syst\u00e9m SR Linux pro sm\u011brova\u010de | ProHoster","description":"Spole\u010dnost 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