{"id":27005,"date":"2026-09-27T20:02:28","date_gmt":"2026-09-27T18:02:28","guid":{"rendered":"https:\/\/www.itspy.cz\/thesis\/classification-of-encrypted-traffic-in-computer-networksusing-fpga\/"},"modified":"2026-09-27T20:05:05","modified_gmt":"2026-09-27T18:05:05","slug":"classification-of-encrypted-traffic-in-computer-networksusing-fpga","status":"publish","type":"thesis","link":"https:\/\/www.itspy.cz\/en\/thesis\/classification-of-encrypted-traffic-in-computer-networksusing-fpga\/","title":{"rendered":"Classification of Encrypted Traffic in Computer Networks\nUsing FPGA"},"content":{"rendered":"<p>Proto\u017ee \u0161ifrov\u00e1n\u00ed s\u00ed\u0165ov\u00e9ho provozu znemo\u017e\u0148uje n\u011bkter\u00e9 \u00fakony<br \/>\nv kontextu spr\u00e1vy s\u00edt\u00ed, vznikla oblast klasifikace<br \/>\n\u0161ifrovan\u00e9ho provozu, kter\u00e1 pomoc\u00ed metod strojov\u00e9ho u\u010den\u00ed<br \/>\nanalyzuje a klasifikuje provoz bez nutnosti jeho<br \/>\nde\u0161ifrov\u00e1n\u00ed. Specifick\u00fdm p\u0159\u00edpadem je online klasifikace,<br \/>\nb\u011bhem kter\u00e9 jsou v\u00fdsledky klasifikace vyu\u017e\u00edv\u00e1ny k aktivn\u00ed<br \/>\nmanipulaci s jednotliv\u00fdmi s\u00ed\u0165ov\u00fdmi toky (nap\u0159. blokov\u00e1n\u00ed,<br \/>\nprioritizace \u010di jin\u00e9 mechanismy zaji\u0161\u0165uj\u00edc\u00ed kvalitu<br \/>\nslu\u017eeb). Nicm\u00e9n\u011b provozov\u00e1n\u00ed takov\u00fdch klasifik\u00e1tor\u016f na<br \/>\nvysokorychlostn\u00edch link\u00e1ch klade vysok\u00e9 n\u00e1roky na latenci a<br \/>\npropustnost cel\u00e9ho \u0159e\u0161en\u00ed. C\u00edlem t\u00e9to pr\u00e1ce je navrhnout<br \/>\num\u011blou neuronovou s\u00ed\u0165 uzp\u016fsobenou pro online klasifikaci<br \/>\nprovozu a akcelerovat ji v chytr\u00e9 s\u00ed\u0165ov\u00e9 kart\u011b vybaven\u00e9<br \/>\nFPGA. Konkr\u00e9tn\u011b byla navr\u017eena rekurentn\u00ed neuronov\u00e1 s\u00ed\u0165<br \/>\numo\u017e\u0148uj\u00edc\u00ed inkrement\u00e1ln\u00ed klasifikaci s\u00ed\u0165ov\u00fdch tok\u016f. Pro<br \/>\n\u00fasporu FPGA zdroj\u016f byly navr\u017eeny optimalizace embedding<br \/>\ntabulek a metody komprese stavov\u00e9 informace. N\u00e1sledn\u011b bylo<br \/>\nvyu\u017eito vysok\u00e9 konfigurovatelnosti FPGA pro implementaci<br \/>\nakceler\u00e1toru specializovan\u00e9ho pro tuto neuronovou s\u00ed\u0165 a<br \/>\njej\u00ed parametry. V\u00fdsledn\u00e9 \u0159e\u0161en\u00ed p\u0159ekon\u00e1v\u00e1 jedny z<br \/>\nnejlep\u0161\u00edch dosavadn\u00edch online klasifik\u00e1tor\u016f \u0161ifrovan\u00e9ho<br \/>\nprovozu (syst\u00e9my N3IC, Kaleidoscope a FENIX) z hlediska<br \/>\np\u0159esnosti klasifikace, spot\u0159eby FPGA zdroj\u016f, latence,<br \/>\npropustnosti i velikosti stavov\u00e9 informace.<\/p>\n","protected":false},"featured_media":26773,"template":"","meta":{"_acf_changed":false,"_links_to":"","_links_to_target":""},"university":[189,441],"thesis-year":[466],"class_list":["post-27005","thesis","type-thesis","status-publish","has-post-thumbnail","hentry","thesis-year-466"],"acf":{"autor":"Luk\u00e1\u0161 Nevrkla","portret":"","vedouci":"doc. Ing. Tom\u00e1\u0161 Mart\u00ednek, Ph.D."},"_links":{"self":[{"href":"https:\/\/www.itspy.cz\/en\/wp-json\/wp\/v2\/thesis\/27005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.itspy.cz\/en\/wp-json\/wp\/v2\/thesis"}],"about":[{"href":"https:\/\/www.itspy.cz\/en\/wp-json\/wp\/v2\/types\/thesis"}],"version-history":[{"count":1,"href":"https:\/\/www.itspy.cz\/en\/wp-json\/wp\/v2\/thesis\/27005\/revisions"}],"predecessor-version":[{"id":27060,"href":"https:\/\/www.itspy.cz\/en\/wp-json\/wp\/v2\/thesis\/27005\/revisions\/27060"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.itspy.cz\/en\/wp-json\/wp\/v2\/media\/26773"}],"wp:attachment":[{"href":"https:\/\/www.itspy.cz\/en\/wp-json\/wp\/v2\/media?parent=27005"}],"wp:term":[{"taxonomy":"university","embeddable":true,"href":"https:\/\/www.itspy.cz\/en\/wp-json\/wp\/v2\/university?post=27005"},{"taxonomy":"thesis-year","embeddable":true,"href":"https:\/\/www.itspy.cz\/en\/wp-json\/wp\/v2\/thesis-year?post=27005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}