{"id":723,"date":"2019-04-17T19:37:24","date_gmt":"2019-04-17T19:37:24","guid":{"rendered":"https:\/\/www.tk.etf.unsa.ba\/?page_id=723"},"modified":"2026-10-29T11:05:47","modified_gmt":"2026-10-29T10:05:47","slug":"project-fmon-2018-sdn-flexibility","status":"publish","type":"page","link":"https:\/\/www.tk.etf.unsa.ba\/bs\/project-fmon-2018-sdn-flexibility\/","title":{"rendered":"FMON 2018 &#8211; Pobolj\u0161anje fleksibilnosti podatkovne ravni u softverski definisanim mre\u017eama primjenom paradigme duboke mre\u017ene programabilnosti"},"content":{"rendered":"<p><\/p>\n<h3>OSNOVNI DETALJI<\/h3>\n<ul>\n<li>Naziv projekta: Pobolj\u0161anje fleksibilnosti podatkovne ravni u softverski definisanim mre\u017eama primjenom paradigme duboke mre\u017ene programabilnosti<\/li>\n<li>Mjesto provo\u0111enja projekta: <a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/laboratories\/laboratory-for-sdn\/\">Laboratorija za softverski definisane mre\u017ee<\/a><\/li>\n<li>Finansijer projekta: <a href=\"http:\/\/www.fmon.gov.ba\">Federalno ministarstvo obrazovanja i nauke<\/a><\/li>\n<li>Voditelj projekta: <a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/staff\/pamela-begovic-njemcevic\/\">Doc. dr. Pamela Njem\u010devi\u0107, dipl.ing.el.<\/a> (<a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/2018\/12\/17\/sef-obavjestenje-ba\/\">Red. prof. dr. Mesud Had\u017eiali\u0107, dipl.ing.el.<\/a>)<\/li>\n<li>Vrijednost projekta: 11.909,99 KM<\/li>\n<li>Tip projekta: Lokalni istra\u017eiva\u010dki projekat<\/li>\n<\/ul>\n<h3>O PROJEKTU<\/h3>\n<h4>Predmet istra\u017eivanja<\/h4>\n<p>Dana\u0161nje ra\u010dunarske mre\u017ee, koje \u010dini veliki broj mre\u017enih ure\u0111aja kao \u0161to su usmjeriva\u010di, preklopnici i ure\u0111aji sa dodatnim funkcionalnostima (n.pr. <em>firewall<\/em>), su postale previ\u0161e kompleksne za upravljanje i odr\u017eavanje. Na mre\u017enim ure\u0111ajima se izvr\u0161avaju kompleksni algoritmi i protokoli, koji su u velikom broju slu\u010dajeva zatvoreni kod. Administratori mre\u017ea su odgovorni da konfiguracijske politike primijene na jedan takav visoko heterogeni ambijent. To naj\u010de\u0161\u0107e rade individualnom konfiguracijom mre\u017enih ure\u0111aja koriste\u0107i su\u010delja koja variraju od proizvo\u0111a\u010da do proizvo\u0111a\u010da. Standardizacija mre\u017enih su\u010delja i protokola, \u010diji je cilj unificiranje mre\u017enog ekosistema i pove\u0107anje interoperabilnosti, predstavlja slo\u017een i dugotrajan proces. Ovakav pristup je usporio inovativnost, a pove\u0107ao kompleksnost i tro\u0161ak odr\u017eavanja i upravljanja mre\u017eom. Kao odgovor na ovaj problem, istra\u017eiva\u010di su 90-tih godina primijenili analogiju relativno jednostavnog reprogramiranja klasi\u010dnih ra\u010dunara na ra\u010dunarske mre\u017ee i time uspostavili temelje za paradigmu softverski definisanih mre\u017ea (engl. <em>Software-Defined Networking<\/em> \u2013 SDN). Softverski definisane mre\u017ee predstavljaju novu paradigmu prema kojoj se podatkovna ravan razdvaja od kontrolne ravni. Cjelokupna &#8220;mre\u017ena inteligencija&#8221; je centralizirana u aplikacijskoj i kontrolnoj ravni. Zadatak aplikacijske ravni je izvr\u0161avanje mre\u017enih aplikacija kao \u0161to su algoritmi rutiranja, QoS mehanizmi, nadzor i upravljanje mre\u017eom itd., te generisanje pravila prema kojima je potrebno tretirati saobra\u0107aj u mre\u017ei. Na osnovu tih pravila, kontroleri imaju zadatak da generi\u0161u konkretne tabele proslje\u0111ivanja i prema njima izvr\u0161e konfiguraciju paketskih \u010dvori\u0161ta. U kona\u010dnici, paketska \u010dvori\u0161ta iz podatkovne ravni (usmjeriva\u010di i preklopnici) vr\u0161e prosto proslje\u0111ivanje paketa zasnovano na brzoj pretrazi tabele proslje\u0111ivanja. SDN arhitektura slijedi dva principa:<\/p>\n<ul>\n<li>jednostavnost &#8211; uo\u010dava se u procesima proslje\u0111ivanja paketa u podatkovnoj ravni i<\/li>\n<li>uop\u0107enost &#8211; ogleda se u nezavisnosti SDN arhitekture od tehnologije kojom se mre\u017ea realizuje (engl. technology agnostic).<\/li>\n<\/ul>\n<p>Me\u0111utim, implementacija ovih principa je dovela do gubitka fleksibilnosti mre\u017ea, posebno u domenu podatkovne ravni, jer unutar paketskih \u010dvori\u0161ta nije predvi\u0111ena mogu\u0107nost upravljanja procesima ispod nivoa pretrage tabele proslje\u0111ivanja. Ve\u0107i stepen slobode pri upravljanju procesima u podatkovnoj ravni \u0107e biti mogu\u0107 upotrebom rekonfigurabilnog hardvera, baziranog na FPGA (engl. <em>field-programmable gate array<\/em>) tehnologiji, u implementaciji paketskih \u010dvori\u0161ta. Stoga, predmet ovog istra\u017eivanja su mehanizmi pove\u0107anja fleksibilnosti podatkovne ravni u softverski definisanoj mre\u017ei.<\/p>\n<h4>Cilj istra\u017eivanja<\/h4>\n<p>Cilj istra\u017eivanja je pobolj\u0161anje fleksibilnosti podatkovne ravni softverski definisanih mre\u017ea primjenom paradigme duboke mre\u017ene programabilnosti na rekonfigurabilnom hardveru.<\/p>\n<h4>Zadaci istra\u017eivanja<\/h4>\n<p>Dostizanje postavljenog cilja istra\u017eivanja predvi\u0111eno je kroz izradu sljede\u0107ih zadataka:<\/p>\n<ol>\n<li>sistemati\u010dan pregled istra\u017eivanja u oblasti podatkovne ravni softverski definisanih mre\u017ea sa ciljem identifikacije faktora koji uti\u010du na izmjene arhitekture paketskog \u010dvori\u0161ta;<\/li>\n<li>sistemati\u010dan pregled postoje\u0107ih softverskih, hardverskih i hibridnih arhitektura programabilnih paketskih \u010dvori\u0161ta u softverski definisanim mre\u017eama;<\/li>\n<li>izbor i\/ili kreiranje metrike za ocjenu fleksibilnosti podatkovne ravni sa aspekta dubine programabilnosti paketskog \u010dvori\u0161ta;<\/li>\n<li>kreiranje novog arhitekturalnog modela duboko programabilnog paketskog \u010dvori\u0161ta;<\/li>\n<li>implementacija dobokog programabilnog paketskog \u010dvori\u0161ta na FPGA baziranom razvojnom kitu;<\/li>\n<li>eksperimentalna verifikacija i validacija predlo\u017eene arhitekture i diseminacija rezultata.<\/li>\n<\/ol>\n<h4>O\u010dekivani rezultati istra\u017eivanja<\/h4>\n<p>O\u010dekivani nau\u010dni i prakti\u010dni rezultati istra\u017eivanja su:<\/p>\n<ul>\n<li>primjena autorske metrike pri sistematizaciji rezultata najnovijih istra\u017eivanja u oblasti podatkovne ravni u softverski definisanim mre\u017eama;<\/li>\n<li>nova metrika za ocjenu fleksibilnosti podatkovne ravni u softverski definisanim mre\u017eama sa aspekta dubine programabilnosti paketskog \u010dvori\u0161ta;<\/li>\n<li>novi arhitekturalni model duboko programabilnog paketskog \u010dvori\u0161ta kojim se mo\u017ee pobolj\u0161ati fleksibilnost podatkovne ravni SDN-a;<\/li>\n<li>realizacija jezgri intelektualnog vlasni\u0161tva (engl. <em>IP cores<\/em>) pogodnih za upotrebu na FPGA baziranim razvojnim sistemima;<\/li>\n<li>duboko programabilno paketsko \u010dvori\u0161te implementirano na FPGA baziranom razvojom kitu.<\/li>\n<\/ul>\n<h4>Postignuti rezultati istra\u017eivanja<\/h4>\n<p>Objavljeni nau\u010dni radovi:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/staff\/enio-kaljic\/\">E. Kaljic<\/a>, <a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/staff\/almir-maric\/\">A. Maric<\/a>, <a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/staff\/pamela-begovic-njemcevic\/\">P. Njemcevic<\/a> and M. Hadzialic, &#8220;A Survey on Data Plane Flexibility and Programmability in Software-Defined Networking,&#8221; in <em>IEEE Access<\/em>, vol. 7, pp. 47804-47840, 2019. doi: <a href=\"https:\/\/dx.doi.org\/10.1109\/ACCESS.2019.2910140\">10.1109\/ACCESS.2019.2910140<\/a><\/li>\n<li><a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/staff\/enio-kaljic\/\">E. Kaljic<\/a>, <a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/staff\/almir-maric\/\">A. Maric<\/a>, M. Hadzialic, &#8220;A novel qualitative metric based approach to the improvement of data plane flexibility in software-defined networks,&#8221; 2019 18th IEEE International Conference on Smart Technologies IEEE EUROCON, Novi Sad, 2019<\/li>\n<li><a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/staff\/enio-kaljic\/\">E. Kaljic<\/a>, <a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/staff\/almir-maric\/\">A. Maric<\/a> and <a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/staff\/pamela-begovic-njemcevic\/\">P. Njemcevic<\/a>, &#8220;An implementation of a deeply programmable SDN switch based on a hybrid FPGA\/CPU architecture,&#8221; <em>2019 18th International Symposium INFOTEH-JAHORINA (INFOTEH)<\/em>, East Sarajevo, Bosnia and Herzegovina, 2019, pp. 1-6. doi: <a href=\"https:\/\/dx.doi.org\/10.1109\/INFOTEH.2019.8717768\">10.1109\/INFOTEH.2019.8717768<\/a><\/li>\n<\/ul>\n<p>Implementacija duboko programabilnog paketskog \u010dvori\u0161ta:<\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/eniokaljic\/DPPSN\">DPPSN<\/a><\/li>\n<\/ul>\n\n\t\t<style>\n\t\t\t#gallery-2 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-2 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 25%;\n\t\t\t}\n\t\t\t#gallery-2 img {\n\t\t\t\tborder-width: 1px; border-style: solid;\n\t\t\t}\n\t\t\t#gallery-2 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-2' 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\/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>OSNOVNI DETALJI Naziv projekta: Pobolj\u0161anje fleksibilnosti podatkovne ravni u softverski definisanim mre\u017eama primjenom paradigme duboke mre\u017ene programabilnosti Mjesto provo\u0111enja projekta: Laboratorija za softverski definisane mre\u017ee Finansijer projekta: Federalno ministarstvo obrazovanja i nauke Voditelj projekta: Doc. dr. Pamela Njem\u010devi\u0107, dipl.ing.el. (Red. prof. dr. Mesud Had\u017eiali\u0107, dipl.ing.el.) Vrijednost projekta: 11.909,99 KM Tip projekta: Lokalni istra\u017eiva\u010dki projekat O&#8230; <\/p>\n<div class=\"clear\"><\/div>\n<p><a href=\"https:\/\/www.tk.etf.unsa.ba\/bs\/project-fmon-2018-sdn-flexibility\/\" class=\"excerpt-read-more\">Continue Reading<i class=\"fa fa-long-arrow-right icon-long-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-723","page","type-page","status-publish","hentry","page_category-projekti","page_category-sdn_lab"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.tk.etf.unsa.ba\/bs\/wp-json\/wp\/v2\/pages\/723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tk.etf.unsa.ba\/bs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.tk.etf.unsa.ba\/bs\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.tk.etf.unsa.ba\/bs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tk.etf.unsa.ba\/bs\/wp-json\/wp\/v2\/comments?post=723"}],"version-history":[{"count":10,"href":"https:\/\/www.tk.etf.unsa.ba\/bs\/wp-json\/wp\/v2\/pages\/723\/revisions"}],"predecessor-version":[{"id":57416,"href":"https:\/\/www.tk.etf.unsa.ba\/bs\/wp-json\/wp\/v2\/pages\/723\/revisions\/57416"}],"wp:attachment":[{"href":"https:\/\/www.tk.etf.unsa.ba\/bs\/wp-json\/wp\/v2\/media?parent=723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}