{"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\/hr\/blog\/administrirovanie\/kak-postroit-sdn-vosem-instrumentov-s-otkrytym-ishodnym-kodom","title":{"rendered":"Kako izgraditi SDN \u2014 osam alata s otvorenim izvorom","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Danas smo pripremili za na\u0161e \u010ditatelje odabir SDN kontrolera koje aktivno podr\u017eavaju korisnici GitHub-a i velike open-source zaklade poput Linux Foundation-a.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/446058\/\"><img decoding=\"async\" alt=\"Kako izgraditi SDN \u2014 osam alata s otvorenim izvorom\" 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 je otvorena modularna platforma za automatizaciju velikih SDN mre\u017ea. Njena prva verzija pojavila se 2013. godine, a kasnije je postala dio Linux Foundation-a. U martu ove godine <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\/\">pojavio se deseti izdanja<\/a><\/noindex> alata, a broj korisnika pre\u0161ao je milijardu.<\/p>\n<p>Kontroler uklju\u010duje sustav za kreiranje virtualnih mre\u017ea, skup dodataka za podr\u0161ku raznim protokolima i alate za implementaciju potpuno funkcionalne SDN platforme. Zahvaljuju\u0107i API-ju <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opendaylight.org\/what-we-do\/odl-platform-overview\">mo\u017eete<\/a><\/noindex> mogu\u0107e je integrirati OpenDaylight s drugim kontrolerima. Jezgra rje\u0161enja je napisana u Javi, stoga se mo\u017ee koristiti u svim sustavima s JVM-om.<\/p>\n<p>Platforma <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.opendaylight.org\/en\/latest\/downloads.html\">distribuira se<\/a><\/noindex> dostupna u obliku RPM paketa i univerzalnih binarnih izdanja, kao i u obliku unaprijed konfiguriranih slika virtualnih ma\u0161ina zasnovanih na Fedora-i i Ubuntu-u. Mo\u017eete ih preuzeti <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.opendaylight.org\/en\/latest\/downloads.html\">na slu\u017ebenoj stranici<\/a><\/noindex> uz dokumentaciju. Korisnici isti\u010du da rad s OpenDaylight-om mo\u017ee biti izazovan, no na <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/user\/opendaylightproject\">YouTube kanalu projekta<\/a><\/noindex> prikazano je mnogo vodi\u010da za konfiguraciju alata.<\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/lighty.io\/\">Lighty.io<\/a><\/noindex><\/h2>\n<p>\nje otvoreni okvir za razvoj SDN kontrolera. Predstavlja SDK temeljen na OpenDaylight platformi. Cilj projekta Lighty.io je pojednostaviti i ubrzati razvoj SDN rje\u0161enja na Javi, Pythonu i Go-u.<\/p>\n<p>Okvir nudi mnoge alate za otklanjanje gre\u0161aka u SDN okru\u017eenju. Konkretno, Lighty.io omogu\u0107uje emulaciju mre\u017enih ure\u0111aja i programiranje njihovog pona\u0161anja. Tako\u0111er, treba istaknuti komponentu <noindex><a rel=\"nofollow\" href=\"https:\/\/lighty.io\/network-topology-visualization-component\/\">Network Topology Visualisation<\/a><\/noindex> koja se koristi za vizualizaciju topologije mre\u017ea.<\/p>\n<p>Vodi\u010d za izradu SDN aplikacija pomo\u0107u Lighty.io potra\u017eite na <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PantheonTechnologies\/lighty-core\/blob\/9.2.x\/lighty-examples\/README.md\">repozitoriju na GitHubu<\/a><\/noindex>. Tamo tako\u0111er <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PantheonTechnologies\/lighty-core\/blob\/9.2.x\/docs\/ODL-migration-guide.md\">mo\u017eete prona\u0107i vodi\u010d za migraciju<\/a><\/noindex> ve\u0107 postoje\u0107ih aplikacija na novu platformu.<\/p>\n<p><\/p>\n<blockquote><p><b>\u010citanje na ovu temu u na\u0161em korporativnom blogu:<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/vasexperts.ru\/blog\/seti\/vnedrenie-ipv6-faq-dlya-internet-provajderov\/\">Korporativna sigurnost: tehnologija DPI u DLP sustavima<\/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\/\">Pogodak u koljeno: analiziramo kriti\u010dne gre\u0161ke u izgradnji mre\u017ea telekomunikacijskih operatera<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/vasexperts.ru\/blog\/bezopasnost\/ddos-i-5g-tolshhe-truba-bolshe-problem\/\">DDOS i 5G: \u0161to je ve\u0107a \u2018cijev\u2019 \u2014 vi\u0161e problema<\/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>\nTo je <noindex><a rel=\"nofollow\" href=\"https:\/\/floodlight.atlassian.net\/wiki\/spaces\/floodlightcontroller\/pages\/1343549\/Architecture\">kontroler<\/a><\/noindex> s paketom aplikacija za upravljanje OpenFlow mre\u017eama. Arhitektura rje\u0161enja je modularna i podr\u017eava brojne virtualne i fizi\u010dke prekida\u010de. Rje\u0161enje je ve\u0107 primijenjeno u razvoju skalabilne streaming usluge temeljenom na SDN \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/floodlight.atlassian.net\/wiki\/spaces\/floodlightcontroller\/pages\/7143427\/GENI+Cinema\">GENI Cinema<\/a><\/noindex>, kao i softverski definirane pohrane <noindex><a rel=\"nofollow\" href=\"https:\/\/floodlight.atlassian.net\/wiki\/spaces\/floodlightcontroller\/pages\/1343508\/Coraid+and+Floodlight\">Coraid<\/a><\/noindex>.<\/p>\n<p>Po <noindex>na temelju niza testova<\/noindex>, Floodlight nadma\u0161uje OpenDaylight u radu s visokom optere\u0107enim mre\u017eama. Me\u0111utim, u mre\u017eama s niskim i srednjim optere\u0107enjima, Floodlight ima ve\u0107i pokazatelj latencije. Vodi\u010d za instalaciju mo\u017eete prona\u0107i u <noindex><a rel=\"nofollow\" href=\"https:\/\/floodlight.atlassian.net\/wiki\/spaces\/floodlightcontroller\/pages\/1343544\/Installation+Guide\">slu\u017ebenoj dokumentaciji projekta<\/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>\nSkup softverskih komponenti za konfiguraciju OpenFlow prekida\u010da. OESS nudi jednostavno web su\u010delje za korisnike, kao i API za web usluge. Prednosti rje\u0161enja uklju\u010duju automatsko prebacivanje na rezervne kanale u slu\u010daju kvarova i dostupnost vizualizacijskih alata. Mane uklju\u010duju podr\u0161ku ograni\u010denog broja modela prekida\u010da.<\/p>\n<p>Vodi\u010d za instalaciju i konfiguraciju OESS-a dostupan je u repozitoriju <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/globalnoc\/oess\">na GitHubu<\/a><\/noindex>.<\/p>\n<p>\n<img decoding=\"async\" alt=\"Kako izgraditi SDN \u2014 osam alata s otvorenim izvorom\" 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>\nOvo je kontroler \u010diji su nivoi apstrakcije mre\u017ee predstavljeni u obliku SQL upita. Njih se mo\u017ee upravljati putem naredbene linije. Prednost pristupa le\u017ei u tome da SQL upiti br\u017ee dolaze. Osim toga, alat omogu\u0107uje kontrolu vi\u0161e razina apstrakcije putem funkcije automatske orkestracije. Nedostaci rje\u0161enja uklju\u010duju nedostatak vizualizacije i potrebu za u\u010denjem <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ravel-net\/ravel\">argumenta<\/a><\/noindex> naredbene linije.<\/p>\n<p>Korak-po-korak vodi\u010d za rad s Ravelom dostupan je na <noindex><a rel=\"nofollow\" href=\"http:\/\/ravel-net.org\/walkthrough\">slu\u017ebenoj web stranici<\/a><\/noindex> projektu. U sa\u017eetom formatu sve je izlo\u017eeno <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ravel-net\/ravel\">u repozitoriju<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/www.opensecuritycontroller.org\/\">Open Security Controller<\/a><\/noindex><\/h2>\n<p>\nSoftverski definirani alat za za\u0161titu virtualnih mre\u017ea. Automatizira implementaciju vatrozida, sustava za prevenciju provale i antivirusnih rje\u0161enja. OSC djeluje kao posrednik izme\u0111u menad\u017eera sigurnosti i niza za\u0161titnih funkcija i okru\u017eenja. Pritom je sposoban raditi s multioblakom.<\/p>\n<p>Prednost OSC-a je \u0161to nije vezan uz odre\u0111ene softverske ili hardverske proizvode. Me\u0111utim, alat je dizajniran za rad sa velikim korporativnim mre\u017eama. Iz tog razloga, malo je vjerojatno da \u0107e biti odgovaraju\u0107i za potrebe startupa.<\/p>\n<p>Vodi\u010d za brzi po\u010detak mo\u017eete prona\u0107i <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opensecuritycontroller.org\/documentation\/gettingstarted\/gettingstarted\/\">na web stranici s dokumentacijom za OSC<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/onosproject.org\/\">ONOS<\/a><\/noindex><\/h2>\n<p>\nTo je operacijski sustav za upravljanje SDN mre\u017eama i njihovim komponentama. Njegova posebnost le\u017ei u tome \u0161to kombinira funkcionalnosti SDN kontrolera s mre\u017enim i serverskim OS-om. Ova kombinacija alatu omogu\u0107uje pra\u0107enje svih doga\u0111aja u mre\u017eama te olak\u0161ava migraciju s tradicionalne arhitekture na SDN.<\/p>\n<p>\u010cak i vi\u0161e, sigurnost se mo\u017ee smatrati 'uskim grlom' platforme. Prema podacima <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennetworking.org\/wp-content\/uploads\/2018\/11\/secperf_report_2.pdf\">izvje\u0161taja<\/a><\/noindex> 2018. godine, ONOS ima nekoliko otvorenih ranjivosti. Na primjer, ranjivost na DoS napade i mogu\u0107nost instalacije aplikacija bez autentifikacije. Neki od njih su ve\u0107 zakrpani, dok programeri jo\u0161 rade na preostalim. U cjelini, od 2015. godine platforma <noindex><a rel=\"nofollow\" href=\"https:\/\/onosproject.org\/2015\/04\/03\/sdn-and-security-david-jorm\/\">dobila je<\/a><\/noindex> ima velik broj a\u017euriranja koja pove\u0107avaju sigurnost okru\u017eenja.<\/p>\n<p>Alat mo\u017eete preuzeti s slu\u017ebene <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.onosproject.org\/\">stranice s dokumentacijom<\/a><\/noindex>. Tamo se nalaze i vodi\u010di za instalaciju te drugi tutori.<\/p>\n<p><\/p>\n<h2><noindex><a rel=\"nofollow\" href=\"https:\/\/tungsten.io\/\">Tungsten Fabric<\/a><\/noindex><\/h2>\n<p>\nOvaj projekt je ranije bio poznat kao OpenContrail. Me\u0111utim, preimenovan je nakon prelaska pod okrilje Linux Foundation. Tungsten Fabric je otvoreni plugin za virtualizaciju mre\u017ea koji radi s virtualnim strojevima, bare-metal optere\u0107enjima i kontejnerima.<\/p>\n<p>Plugin se mo\u017ee brzo integrirati s popularnim alatima za orkestraciju: Openstack, Kubernetes, Openshift, vCenter. Na primjer, za implementaciju Tungsten Fabrica u Kubernetesu <noindex><a rel=\"nofollow\" href=\"https:\/\/tungstenfabric.github.io\/website\/Tungsten-Fabric-15-minute-deployment-with-k8s-on-AWS.html\">bit \u0107e potrebno<\/a><\/noindex> 15 minuta. Alat tako\u0111er podr\u017eava sve tradicionalne funkcije SDN kontrolera: upravljanje, vizualizaciju, konfiguraciju mre\u017ea i <noindex><a rel=\"nofollow\" href=\"https:\/\/tungstenfabric.github.io\/website\/Tungsten-Fabric-Architecture.html#key-features\">mnoge druge<\/a><\/noindex>. Tehnologija se ve\u0107 <noindex><a rel=\"nofollow\" href=\"https:\/\/tungsten.io\/tungsten-fabric-as-sdn-for-akraino-based-network-edges\/\">koristi<\/a><\/noindex> u podatkovnim centrima i oblaku, unutar SDN stakova za rad s 5G i Edge computingom.<\/p>\n<p>Tungsten Fabric vrlo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.zdnet.com\/article\/junipers-opencontrail-sdn-rebranded-as-tungsten-fabric\/\">podsje\u0107a na<\/a><\/noindex> OpenDaylight, stoga su nedostaci rje\u0161enja isti \u2014 te\u0161ko je odmah shvatiti, posebno pri radu s kontejnerima. No ovdje \u0107e pomo\u0107i upute <noindex><a rel=\"nofollow\" href=\"https:\/\/tungsten.io\/start\/\">za instalaciju i konfiguraciju<\/a><\/noindex> te drugi dodatni materijali u <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/tungstenfabric\/docs\">repozitoriju na GitHubu<\/a><\/noindex>.<\/p>\n<p><\/p>\n<blockquote><p><b>Objave na temu iz na\u0161eg bloga na Habr:<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/445064\/\">Bitka za mre\u017enu neutralnost \u2014 prilika za povratak<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/443984\/\">Nova standardizacija bazirana na PCIe 5.0 'povezuje' CPU i GPU \u2014 \u0161to je poznato o njemu<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vasexperts\/blog\/441530\/\">SDN \u0107e biti pokrenut u svemiru: za\u0161to je to potrebno<\/a><\/noindex><\/li>\n<\/ul>\n<\/blockquote>\n<p>Izvor: <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 \u043f\u043e\u044f\u0432\u0438\u043b\u0430\u0441\u044c \u0432 2013 \u0433\u043e\u0434\u0443, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0447\u0443\u0442\u044c \u043f\u043e\u0437\u0436\u0435 \u0441\u0442\u0430\u043b\u0430 \u0447\u0430\u0441\u0442\u044c\u044e Linux Foundation. \u0412 \u043c\u0430\u0440\u0442\u0435 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