{"id":30627,"date":"2019-10-31T21:36:37","date_gmt":"2019-10-31T18:36:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/kak-postroit-sdn-vosem-instrumentov-s-otkrytym-ishodnym-kodom\/"},"modified":"2019-10-31T21:36:37","modified_gmt":"2019-10-31T18:36:37","slug":"kak-postroit-sdn-vosem-instrumentov-s-otkrytym-ishodnym-kodom","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/kak-postroit-sdn-vosem-instrumentov-s-otkrytym-ishodnym-kodom","title":{"rendered":"S\u00e5dan bygger du SDN \u2013 otte v\u00e6rkt\u00f8jer med \u00e5bent kildekode","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I dag har vi forberedt en samling af SDN-controllere, som aktivt underst\u00f8ttes af GitHub-brugere og store open source-fonde som Linux Foundation.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/446058\/\"><img decoding=\"async\" alt=\"S\u00e5dan bygger du SDN \u2013 otte v\u00e6rkt\u00f8jer med \u00e5bent kildekode\" src=\"\/wp-content\/uploads\/2019\/03\/6327cc0069bb996083f92a952ca00836.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<i>\/ Flickr \/ <noindex><a rel=\"nofollow\" href=\"https:\/\/www.flickr.com\/photos\/webernetz\/37855201002\/\">Johannes Weber<\/a><\/noindex> \/ <noindex><a rel=\"nofollow\" href=\"https:\/\/creativecommons.org\/licenses\/by\/2.0\/\">CC BY<\/a><\/noindex><\/i><\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/www.opendaylight.org\/\">OpenDaylight<\/a><\/noindex><\/h2>\n<p>\nOpenDaylight \u2014 en \u00e5ben modul\u00e6r platform til automatisering af store SDN-netv\u00e6rk. Den f\u00f8rste version blev lanceret i 2013 og blev kort efter en del af Linux Foundation. I marts i \u00e5r <noindex><a rel=\"nofollow\" href=\"https:\/\/www.linuxfoundation.org\/press-release\/2019\/03\/opendaylight-most-pervasive-open-source-sdn-controller-celebrates-sixth-anniversary-with-neon-release\/\">blev den tiende version<\/a><\/noindex> af v\u00e6rkt\u00f8jet frigivet, og antallet af brugere oversteg \u00e9n milliard.<\/p>\n<p>Controlleren inkluderer et system til oprettelse af virtuelle netv\u00e6rk, et s\u00e6t plugins til underst\u00f8ttelse af forskellige protokoller og v\u00e6rkt\u00f8jer til implementering af en fuldt fungerende SDN-platform. Takket v\u00e6re API <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opendaylight.org\/what-we-do\/odl-platform-overview\">you can<\/a><\/noindex> kan OpenDaylight integreres med andre controllere. L\u00f8sningens kerne er skrevet i Java, hvilket g\u00f8r det muligt at arbejde med det i alle systemer med JVM.<\/p>\n<p>Platformen <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.opendaylight.org\/en\/latest\/downloads.html\">distribueres<\/a><\/noindex> b\u00e5de i form af RPM-pakker og universelle bin\u00e6re builds, samt som forudkonfigurerede virtuelle maskine billeder baseret p\u00e5 Fedora og Ubuntu. De kan downloades <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.opendaylight.org\/en\/latest\/downloads.html\">p\u00e5 den officielle hjemmeside<\/a><\/noindex> sammen med dokumentationen. Brugere bem\u00e6rker, at det kan v\u00e6re sv\u00e6rt at arbejde med OpenDaylight, men p\u00e5 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/user\/opendaylightproject\">projektets YouTube-kanal<\/a><\/noindex> finnes der mange vejledninger til at konfigurere v\u00e6rkt\u00f8jet.<\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/lighty.io\/\">Lighty.io<\/a><\/noindex><\/h2>\n<p>\nDette er et \u00e5bent framework til udvikling af SDN-controllere. Det er et SDK baseret p\u00e5 OpenDaylight-platformen. Projektets m\u00e5l er at forenkle og fremskynde udviklingen af SDN-l\u00f8sninger i Java, Python og Go.<\/p>\n<p>Frameworket tilbyder mange v\u00e6rkt\u00f8jer til fejlfinding i SDN-milj\u00f8et. Specifikt g\u00f8r Lighty.io det muligt at simulere netv\u00e6rksenheder og programmere deres adf\u00e6rd. Det er ogs\u00e5 v\u00e6rd at n\u00e6vne komponenten <noindex><a rel=\"nofollow\" href=\"https:\/\/lighty.io\/network-topology-visualization-component\/\">Network Topology Visualisation<\/a><\/noindex> \u2014 den bruges til at visualisere netv\u00e6rkstopologier.<\/p>\n<p>Guiden til at opbygge SDN-applikationer ved hj\u00e6lp af Lighty.io kan findes i <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PantheonTechnologies\/lighty-core\/blob\/9.2.x\/lighty-examples\/README.md\">repository p\u00e5 GitHub<\/a><\/noindex>. Her er der ogs\u00e5 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PantheonTechnologies\/lighty-core\/blob\/9.2.x\/docs\/ODL-migration-guide.md\">en guide til migrering<\/a><\/noindex> af eksisterende applikationer til den nye platform.<\/p>\n<p><\/p>\n<blockquote><p><b>L\u00e6s mere om emnet i vores virksomhed blog:<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/vasexperts.ru\/blog\/seti\/vnedrenie-ipv6-faq-dlya-internet-provajderov\/\">Virksomhedssikkerhed: DPI-teknologi i DLP-systemer<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/vasexperts.ru\/blog\/telekom\/ekonomiya-na-spichkax-i-neskolko-sposobov-vystrelit-sebe-v-nogu-kriticheskie-oshibki-v-stroitelstve-setej-operatorov-svyazi\/\">Skud i foden: vi analyserer kritiske fejl i opbygningen af netv\u00e6rk for teleoperat\u00f8rer<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/vasexperts.ru\/blog\/bezopasnost\/ddos-i-5g-tolshhe-truba-bolshe-problem\/\">DDOS og 5G: tykkere 'r\u00f8r' \u2014 flere problemer<\/a><\/noindex><\/li>\n<\/ul>\n<\/blockquote>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/groups.io\/g\/floodlight\">Floodlight<\/a><\/noindex><\/h2>\n<p>\nDette er en <noindex><a rel=\"nofollow\" href=\"https:\/\/floodlight.atlassian.net\/wiki\/spaces\/floodlightcontroller\/pages\/1343549\/Architecture\">controller<\/a><\/noindex> med et s\u00e6t af applikationer til at administrere OpenFlow-netv\u00e6rk. Arkitekturen i l\u00f8sningen er modul\u00e6r og underst\u00f8tter mange virtuelle og fysiske switches. L\u00f8sningen har allerede v\u00e6ret anvendt til udviklingen af en skalerbar streamingtjeneste baseret p\u00e5 SDN \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/floodlight.atlassian.net\/wiki\/spaces\/floodlightcontroller\/pages\/7143427\/GENI+Cinema\">GENI Cinema<\/a><\/noindex>, samt softwaredefineret lager <noindex><a rel=\"nofollow\" href=\"https:\/\/floodlight.atlassian.net\/wiki\/spaces\/floodlightcontroller\/pages\/1343508\/Coraid+and+Floodlight\">Coraid<\/a><\/noindex>.<\/p>\n<p>If\u00f8lge <noindex>data fra en r\u00e6kke tests<\/noindex>, Floodlight overg\u00e5r OpenDaylight, n\u00e5r der arbejdes med meget belastede netv\u00e6rk. Men i netv\u00e6rk med lav og middel belastning har Floodlight en h\u00f8jere latenstid. Du kan finde installationsguiden i <noindex><a rel=\"nofollow\" href=\"https:\/\/floodlight.atlassian.net\/wiki\/spaces\/floodlightcontroller\/pages\/1343544\/Installation+Guide\">den officielle dokumentation for projektet<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.globalnoc.iu.edu\/sdn\/oess.html\">OESS<\/a><\/noindex><\/h2>\n<p>\nEt s\u00e6t softwarekomponenter til konfiguration af OpenFlow-switches. OESS tilbyder et enkelt webinterface for brugere, samt et API til webtjenester. Fordelene ved l\u00f8sningen inkluderer automatisk skift til reservekanaler ved fejl og tilstedev\u00e6relsen af visualiseringsv\u00e6rkt\u00f8jer. Ulemperne er begr\u00e6nset support for et antal switchmodeller.<\/p>\n<p>Installations- og konfigurationsguiden til OESS findes i depotet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/globalnoc\/oess\">p\u00e5 GitHub<\/a><\/noindex>.<\/p>\n<p>\n<img decoding=\"async\" alt=\"S\u00e5dan bygger du SDN \u2013 otte v\u00e6rkt\u00f8jer med \u00e5bent kildekode\" src=\"\/wp-content\/uploads\/2019\/03\/8a0e5df1553297fadf1892398b7cd29b.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\/ Flickr \/ <noindex><a rel=\"nofollow\" href=\"https:\/\/www.flickr.com\/photos\/ernestasn\/25182963618\/\">Ernestas<\/a><\/noindex> \/ <noindex><a rel=\"nofollow\" href=\"https:\/\/creativecommons.org\/licenses\/by\/2.0\/\">CC BY<\/a><\/noindex><\/i><\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"http:\/\/ravel-net.org\/\">Ravel<\/a><\/noindex><\/h2>\n<p>\nDette er en controller, hvor netv\u00e6rksabstraktionsniveauer repr\u00e6senteres i form af SQL-foresp\u00f8rgsler. De kan styres via kommandolinjen. Fordelen ved denne tilgang er, at SQL-foresp\u00f8rgsler sendes hurtigere. Desuden g\u00f8r v\u00e6rkt\u00f8jet det muligt at kontrollere flere abstraktionsniveauer via automatiseringsfunktionen. Ulemperne ved l\u00f8sningen inkluderer manglende visualisering og behovet for at l\u00e6re <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ravel-net\/ravel\">kommandolinjeargumenter.<\/a><\/noindex> En trin-for-trin tutorial til arbejde med Ravel findes p\u00e5<\/p>\n<p>projektet. I komprimeret format er dette alt beskrevet <noindex><a rel=\"nofollow\" href=\"http:\/\/ravel-net.org\/walkthrough\">den officielle hjemmeside<\/a><\/noindex> Open Security Controller <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ravel-net\/ravel\">i lageret<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/www.opensecuritycontroller.org\/\">Et softwaredefineret v\u00e6rkt\u00f8j til beskyttelse af virtuelle netv\u00e6rk. Det automatiserer udrulningen af firewalls, indtr\u00e6ngningsforebyggelsessystemer og antivirusprogrammer. OSC fungerer som m\u00e6gler mellem sikkerhedsh\u00e5ndtereren og mange beskyttelsesfunktioner og -milj\u00f8er. Samtidig kan det arbejde med multi-cloud.<\/a><\/noindex><\/h2>\n<p>\nFordelen ved OSC er, at der ikke er nogen binding til specifikke software- eller hardwareprodukter. Men v\u00e6rkt\u00f8jet er designet til at arbejde med store enterprise-netv\u00e6rk. Af denne grund vil det n\u00e6ppe v\u00e6re velegnet til opstartsvirksomheders behov.<\/p>\n<p>Guiden til hurtig opstart kan findes<\/p>\n<p>p\u00e5 hjemmesiden med dokumentationen til OSC <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opensecuritycontroller.org\/documentation\/gettingstarted\/gettingstarted\/\">ONOS<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/onosproject.org\/\">ONOS<\/a><\/noindex><\/h2>\n<p>\nDette er et operativsystem til administration af SDN-netv\u00e6rk og deres komponenter. Dets s\u00e6rlige ved er, at det kombinerer funktionalitet fra en SDN-controller med et netv\u00e6rks- og server-OS. Gennem denne kombination g\u00f8r v\u00e6rkt\u00f8jet det muligt at overv\u00e5ge alt, hvad der sker i netv\u00e6rkene, og forenkler overgangen fra traditionel arkitektur til SDN.<\/p>\n<p>En \"flaskehals\" ved platformen kan v\u00e6re sikkerheden. If\u00f8lge <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennetworking.org\/wp-content\/uploads\/2018\/11\/secperf_report_2.pdf\">rapport<\/a><\/noindex> 2018 har ONOS et antal uoprettede s\u00e5rbarheder. For eksempel s\u00e5rbarhed over for DoS-angreb og muligheden for at installere applikationer uden godkendelse. Nogle af dem er allerede blevet patched, mens udviklerne arbejder p\u00e5 de resterende. Generelt har platformen <noindex><a rel=\"nofollow\" href=\"https:\/\/onosproject.org\/2015\/04\/03\/sdn-and-security-david-jorm\/\">har modtaget<\/a><\/noindex> et stort antal opdateringer, der forbedrer sikkerheden i milj\u00f8et.<\/p>\n<p>V\u00e6rkt\u00f8jet kan downloades fra den officielle <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.onosproject.org\/\">dokumentationsside.<\/a><\/noindex>Her ligger ogs\u00e5 installationsguider og andre tutorials.<\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/tungsten.io\/\">Tungsten Fabric<\/a><\/noindex><\/h2>\n<p>\nDette projekt blev tidligere kaldt OpenContrail. Men det blev omd\u00f8bt efter overgangen \"under vingerne\" af Linux Foundation. Tungsten Fabric er en open-source plugin til virtualisering af netv\u00e6rk, der arbejder med virtuelle maskiner, bare-metal belastninger og containere.<\/p>\n<p>Plugin'et kan hurtigt integreres med popul\u00e6re orkestreringsv\u00e6rkt\u00f8jer: Openstack, Kubernetes, Openshift, vCenter. For eksempel vil det tage <noindex><a rel=\"nofollow\" href=\"https:\/\/tungstenfabric.github.io\/website\/Tungsten-Fabric-15-minute-deployment-with-k8s-on-AWS.html\">15 minutter at implementere Tungsten Fabric i Kubernetes.<\/a><\/noindex> V\u00e6rkt\u00f8jet underst\u00f8tter ogs\u00e5 alle traditionelle funktioner fra SDN-controllere: administration, visualisering, konfiguration af netv\u00e6rk og <noindex><a rel=\"nofollow\" href=\"https:\/\/tungstenfabric.github.io\/website\/Tungsten-Fabric-Architecture.html#key-features\">mange andre.<\/a><\/noindex>Teknologien finder allerede <noindex><a rel=\"nofollow\" href=\"https:\/\/tungsten.io\/tungsten-fabric-as-sdn-for-akraino-based-network-edges\/\">anvendelse i datacentre og cloud, som en del af SDN-stacks til arbejde med 5G og Edge computing.<\/a><\/noindex> Tungsten Fabric ligner meget<\/p>\n<p>OpenDaylight, derfor har l\u00f8sningen de samme ulemper \u2014 det er sv\u00e6rt at komme igennem, is\u00e6r ved arbejde med containere. Men her vil installations- <noindex><a rel=\"nofollow\" href=\"https:\/\/www.zdnet.com\/article\/junipers-opencontrail-sdn-rebranded-as-tungsten-fabric\/\">og konfigurationsvejledningerne<\/a><\/noindex> og andre yderligere materialer komme til hj\u00e6lp. <noindex><a rel=\"nofollow\" href=\"https:\/\/tungsten.io\/start\/\">Indl\u00e6g om emnet fra vores blog p\u00e5 Habr:<\/a><\/noindex> Kampen for netv\u00e6rksneutralitet \u2014 en chance for at komme tilbage. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tungstenfabric\/docs\">repository p\u00e5 GitHub<\/a><\/noindex>.<\/p>\n<p><\/p>\n<blockquote><p><b>Den nye standard baseret p\u00e5 PCIe 5.0 \"binder\" CPU og GPU \u2014 hvad vides der om den?<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/445064\/\">SDN sendes ud i rummet: hvorfor det er n\u00f8dvendigt.<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/443984\/\">\ud83e\udd47 S\u00e5dan bygger man et SDN \u2014 otte v\u00e6rkt\u00f8jer med open source | ProHoster<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/441530\/\">SDN lanceres i rummet: hvorfor er det n\u00f8dvendigt<\/a><\/noindex><\/li>\n<\/ul>\n<\/blockquote>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/446058\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0438 \u0434\u043b\u044f \u043d\u0430\u0448\u0438\u0445 \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0435\u0439 \u043f\u043e\u0434\u0431\u043e\u0440\u043a\u0443 SDN-\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0430\u043a\u0442\u0438\u0432\u043d\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438 GitHub \u0438 \u043a\u0440\u0443\u043f\u043d\u044b\u0435 \u043e\u043f\u0435\u043d\u0441\u043e\u0440\u0441\u043d\u044b\u0435 \u0444\u043e\u043d\u0434\u044b \u0432\u0440\u043e\u0434\u0435 Linux Foundation. \/ Flickr \/ Johannes Weber \/ CC BY OpenDaylight OpenDaylight \u2014 \u043e\u0442\u043a\u0440\u044b\u0442\u0430\u044f \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0434\u043b\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u0438 \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u043d\u044b\u0445 SDN-\u0441\u0435\u0442\u0435\u0439. \u0415\u0451 \u043f\u0435\u0440\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f 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