{"$schema": "https://c3voc.de/schedule/schema.json", "generator": {"name": "pretalx", "version": "2025.2.2"}, "schedule": {"url": "https://pretalx.csnog.eu/2025/schedule/", "version": "0.7", "base_url": "https://pretalx.csnog.eu", "conference": {"acronym": "2025", "title": "CSNOG 2025", "start": "2025-01-21", "end": "2025-01-22", "daysCount": 2, "timeslot_duration": "00:05", "time_zone_name": "Europe/Prague", "colors": {"primary": "#333333"}, "rooms": [{"name": "Hlavn\u00ed m\u00edstnost", "slug": "1-hlavni-mistnost", "guid": "2c6add8a-02ce-583e-add8-1705ab68d92d", "description": null, "capacity": null}, {"name": "Vedlej\u0161\u00ed m\u00edstnost", "slug": "2-vedlejsi-mistnost", "guid": "51d57462-b8df-5882-8a8a-178d21a92997", "description": null, "capacity": null}], "tracks": [{"name": "Spr\u00e1va s\u00edt\u00ed", "slug": "1-sprava-siti", "color": "#1EC800"}, {"name": "Legislativa a regulace", "slug": "2-legislativa-a-regulace", "color": "#E01653"}, {"name": "Akademick\u00e9 projekty", "slug": "3-akademicke-projekty", "color": "#1F95E0"}, {"name": "CSNOG", "slug": "4-csnog", "color": "#226729"}], "days": [{"index": 1, "date": "2025-01-21", "day_start": "2025-01-21T04:00:00+01:00", "day_end": "2025-01-22T03:59:00+01:00", "rooms": {"Hlavn\u00ed m\u00edstnost": [{"guid": "7098371b-dc7e-5467-8e2b-9cf0c51e257e", "code": "HWJAAZ", "id": 18, "logo": null, "date": "2025-01-21T10:00:00+01:00", "start": "10:00", "duration": "01:30", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-18-fyzicka-vrstva-wi-fi-jak-funguji-protokoly-802-11", "url": "https://pretalx.csnog.eu/2025/talk/HWJAAZ/", "title": "Fyzick\u00e1 vrstva Wi-Fi - jak funguj\u00ed protokoly 802.11?", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "sk", "abstract": "V tejto prednaske prejdeme zaklady WiFi na fyzickej vrstve. Co je EM radiacia a ako ju vieme pouzit na bezdratovu komunikaciu? Zaklady vlnovej fyziky, frekvencneho spektra a interferencie. Ako funguje modulacia, ake modulacne schemy existuju? Co je QAM a preco ho vsetky moderne 802.11 protokoly pouzivaju? Co su frekvencne pasma a kanaly, a preco je dolezite o nich hovorit. Ake 802.11 protokoly existuju, ako sa casom vyvijali a ake su medzi nimi rozdiely? Co prinesie WiFi 7 (802.11be) - MuMIMO, MLO, atd.\r\n\r\nKedze prednaska je 20 minut, do vsetkych technikalit nepojdem do uplneho detailu. Chcem aby sa ucastnici dozvedeli dostatocne na to aby pochopili zaklady WiFi na L1, a mali dostatocny prehlad o tom ako veci funguju a preco funguju tak ako funguju, bez toho aby sme isli do uplnych technickych detailov.", "description": "V tejto prednaske preberie zaklady WiFi na fyzickej vrstve. Dozviete sa nieco aj o fyzike, modulacnych schemach, a aj o rozvoji protokolov z 802.11 rodiny a ich historickeho vyvoja. Tato prednaska Vam da zakladny prehlad o fungovani WiFi na L1 a tem ktore nasledne mozte studovat do hlbky.", "recording_license": "", "do_not_record": false, "persons": [{"code": "TVEEKV", "name": "Tomas Kirnak", "avatar": null, "biography": null, "public_name": "Tomas Kirnak", "guid": "8c5d8154-5129-54f6-8abb-8652f0beb6c4", "url": "https://pretalx.csnog.eu/2025/speaker/TVEEKV/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/HWJAAZ/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/HWJAAZ/", "attachments": [{"title": "Presentation", "url": "/media/2025/submissions/HWJAAZ/resources/CSNOG_-_802.11_protocols_-_WiFi_at_physical_layer_axlt59H.pdf", "type": "related"}]}, {"guid": "339f595f-a0a5-5e52-bc70-672ac3574724", "code": "TZXX7V", "id": 41, "logo": null, "date": "2025-01-21T11:30:00+01:00", "start": "11:30", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-41-analyzing-network-reliability-up-to-800g", "url": "https://pretalx.csnog.eu/2025/talk/TZXX7V/", "title": "Analyzing network reliability up to 800G", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "This presentation investigates the proximity to a low Signal-to-Noise Ratio (SNR) threshold that can still maintain a tolerable Bit Error Rate (BER) in 100G / 400G / 800G network links. Additionally, we account for factors such as temperature and cable length to predict the duration for which a reliable network connection can be sustained between transceivers. The analysis, based on data retrieved using a Flexbox, focuses on comparing the reliability of coherent (16QAM) and non-coherent (PAM4) transceivers, with a detailed discussion on the implications of these technologies on network performance.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "NUNQPK", "name": "Thomas Weible", "avatar": null, "biography": null, "public_name": "Thomas Weible", "guid": "20518651-552a-5b91-9611-5b84327c6f3a", "url": "https://pretalx.csnog.eu/2025/speaker/NUNQPK/"}, {"code": "YKB3SY", "name": "Gerhard Stein", "avatar": null, "biography": null, "public_name": "Gerhard Stein", "guid": "ede7ce15-6f11-52b0-b210-910996115973", "url": "https://pretalx.csnog.eu/2025/speaker/YKB3SY/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/TZXX7V/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/TZXX7V/", "attachments": [{"title": "PDF version", "url": "/media/2025/submissions/TZXX7V/resources/Flexoptix_-_Network_Reliability_Analysis_Coherent_Non-_6AFKad5.pdf", "type": "related"}]}, {"guid": "16ddbe42-8e92-5043-9e0b-a24ba48df6c5", "code": "KGFRRS", "id": 33, "logo": null, "date": "2025-01-21T13:20:00+01:00", "start": "13:20", "duration": "00:10", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-33-uvodni-slovo", "url": "https://pretalx.csnog.eu/2025/talk/KGFRRS/", "title": "\u00davodn\u00ed slovo", "subtitle": "", "track": "CSNOG", "type": "Lightning Talk", "language": "cs", "abstract": "P\u0159iv\u00edt\u00e1n\u00ed na konferenci a p\u0159edstaven\u00ed programov\u00e9ho v\u00fdboru", "description": "U\u017e po t\u0159et\u00ed se sch\u00e1z\u00edme ve Zl\u00edn\u011b a po druh\u00e9 v lednov\u00e9m term\u00ednu.", "recording_license": "", "do_not_record": false, "persons": [{"code": "9C9GDS", "name": "Ond\u0159ej Caletka", "avatar": null, "biography": null, "public_name": "Ond\u0159ej Caletka", "guid": "81314713-892d-548e-bf19-47e842a644db", "url": "https://pretalx.csnog.eu/2025/speaker/9C9GDS/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/KGFRRS/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/KGFRRS/", "attachments": []}, {"guid": "3c3ac0f0-12ca-5e54-af48-2e5c98b95c76", "code": "7VEFLB", "id": 16, "logo": null, "date": "2025-01-21T13:30:00+01:00", "start": "13:30", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-16-protecting-bgp-with-tcp-ao", "url": "https://pretalx.csnog.eu/2025/talk/7VEFLB/", "title": "Protecting BGP with TCP-AO", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Securing BGP with TCP-AO option. How TCP-AO works, how it differs from MD5 and how to set it up.", "description": "Securing BGP with TCP-AO option. How TCP-AO works, how it differs from MD5 and how to set it up.", "recording_license": "", "do_not_record": false, "persons": [{"code": "VAGMEW", "name": "Kate\u0159ina Kubecov\u00e1", "avatar": null, "biography": null, "public_name": "Kate\u0159ina Kubecov\u00e1", "guid": "cdd1f99c-ecfa-51bd-855a-e6d8aeefe8e6", "url": "https://pretalx.csnog.eu/2025/speaker/VAGMEW/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/7VEFLB/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/7VEFLB/", "attachments": [{"title": "prezentace tcp ao", "url": "/media/2025/submissions/7VEFLB/resources/tcpao_I2CgyAk.pdf", "type": "related"}]}, {"guid": "a1e884de-ae0f-5ae7-9682-ddf0af771372", "code": "R8ZBCM", "id": 22, "logo": null, "date": "2025-01-21T13:50:00+01:00", "start": "13:50", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-22-na-doraz-iii-vyuziti-ebpf-xdp-pro-optimalizaci-vykonu-sitoveho-subsystemu-linuxoveho-jadra", "url": "https://pretalx.csnog.eu/2025/talk/R8ZBCM/", "title": "Na doraz III vyu\u017eit\u00ed eBPF/XDP pro optimalizaci v\u00fdkonu s\u00ed\u0165ov\u00e9ho subsyst\u00e9mu linuxov\u00e9ho j\u00e1dra", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "P\u0159edn\u00e1\u0161ka navazuje po \u010dty\u0159ech letech na prvn\u00ed ze s\u00e9rie d\u0159\u00edv\u011bj\u0161\u00edch prezentac\u00ed na t\u00e9ma optimalizace s\u00ed\u0165ov\u00e9ho subsust\u00e9mu j\u00e1dra (https://indico.csnog.eu/event/7/contributions/83/). Jej\u00edm c\u00edlem je revidovat a na v\u00fdsledc\u00edch m\u011b\u0159en\u00ed prakticky demonstrovat, jak se od t\u00e9to doby zm\u011bnily re\u00e1ln\u00e9 mo\u017enosti obecn\u00e9 filtrace s\u00ed\u0165ov\u00e9ho provozu v r\u00e1mci s\u00ed\u0165ov\u00e9ho subsyst\u00e9mu linuxov\u00e9ho j\u00e1dra. V prezentaci si pop\u00ed\u0161eme jak\u00e9 mo\u017enosti akcelerace SYN cookies mechanismu se ke zv\u00fd\u0161en\u00ed odolnosti nap\u0159\u00edklad webov\u00e9ho serveru v\u016f\u010di DDoS \u00fatok\u016fm nyn\u00ed nab\u00edz\u00ed. P\u0159edchoz\u00ed p\u0159\u00edstup \u0159e\u0161il optimalizaci SYN cookies pomoc\u00ed custom modulu do iptables. Nyn\u00ed je zna\u010dn\u011b efektivn\u011bj\u0161\u00ed cestou vyu\u017eit\u00ed eBPF a XDP, kter\u00e9 posouvaj\u00ed mo\u017enost zpracov\u00e1n\u00ed SYN paketu a v\u00fdrobu SYN cookie odpov\u011bdi na je\u0161t\u011b ni\u017e\u0161\u00ed vrstvu j\u00e1dra \u2013 na \u00farove\u0148 ovlada\u010de s\u00ed\u0165ov\u00e9 karty. J\u00e1dro s dostate\u010dnou podporou eBPF a XDP je nyn\u00ed (v pou\u017eiteln\u00e9 podob\u011b) u\u017e sou\u010d\u00e1st\u00ed standardn\u00edch RHEL-like a Debian-like distribuc\u00ed. Pop\u00ed\u0161eme si proto, jak velk\u00fd n\u00e1r\u016fst v\u00fdkonu a souvisej\u00edc\u00ed \u00faskal\u00ed takov\u00e1 eBPF/XDP implementace p\u0159in\u00e1\u0161\u00ed.", "description": "P\u0159edn\u00e1\u0161ka navazuje na p\u0159edchoz\u00ed \u010d\u00e1sti stejnojmenn\u00e9 s\u00e9rie. Zam\u011b\u0159\u00edme se na vyu\u017eit\u00ed XDP pro zv\u00fd\u0161en\u00ed odolnosti webov\u00e9ho serveru v\u016f\u010di DDoS \u00fatok\u016fm a pop\u00ed\u0161eme si, jak se m\u011bn\u00ed re\u00e1ln\u00e9 limity s\u00ed\u0165ov\u00e9ho subsyst\u00e9mu v p\u0159\u00edpad\u011b uplatn\u011bn\u00ed XDP programu k akceleraci nativn\u00edho SYN cookies mechanismu dostupn\u00e9ho v j\u00e1d\u0159e.", "recording_license": "", "do_not_record": false, "persons": [{"code": "XQ8XRH", "name": "Jan Ku\u010dera", "avatar": null, "biography": null, "public_name": "Jan Ku\u010dera", "guid": "953dde27-3d2b-5798-aa3c-3026acbf2da4", "url": "https://pretalx.csnog.eu/2025/speaker/XQ8XRH/"}, {"code": "MCP7GA", "name": "Jan Viktorin", "avatar": null, "biography": null, "public_name": "Jan Viktorin", "guid": "20d36a89-7f4e-50a1-b20d-ecc7d57f8f09", "url": "https://pretalx.csnog.eu/2025/speaker/MCP7GA/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/R8ZBCM/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/R8ZBCM/", "attachments": [{"title": "Slidy", "url": "/media/2025/submissions/R8ZBCM/resources/2025-01-21-CSNOG-Na-doraz-III_IINv8E7.pdf", "type": "related"}]}, {"guid": "b2a0f864-7394-5c2b-bd98-184e2e703de1", "code": "PLT3R3", "id": 28, "logo": null, "date": "2025-01-21T14:10:00+01:00", "start": "14:10", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-28-nasazeni-xdp-v-knot-dns", "url": "https://pretalx.csnog.eu/2025/talk/PLT3R3/", "title": "Nasazen\u00ed XDP v Knot DNS", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Technologie XDP p\u0159in\u00e1\u0161\u00ed u Knot DNS velk\u00fd v\u00fdkonnostn\u00ed n\u00e1r\u016fst, jak ho ale spr\u00e1vn\u011b nastavit?", "description": "Del\u0161\u00ed dobu mluv\u00edme o technologii XDP v Knot DNS a jak ji pou\u017e\u00edv\u00e1me na na\u0161em anycastu. Dnes to bude o tom, jak m\u016f\u017eete XDP nasadit u v\u00e1s: Na co je t\u0159eba si d\u00e1t pozor, jak\u00e9 jsou prerekvizity, jak ho nakonfigurovat a jak optim\u00e1ln\u011b monitorovat provoz, kdy\u017e nem\u016f\u017eu na pakety nahl\u00ed\u017eet p\u0159es kernel.", "recording_license": "", "do_not_record": false, "persons": [{"code": "B3DFXB", "name": "Lukas Vacek", "avatar": null, "biography": null, "public_name": "Lukas Vacek", "guid": "eba6004f-727e-50ea-ac96-b24d0efec2c6", "url": "https://pretalx.csnog.eu/2025/speaker/B3DFXB/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/PLT3R3/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/PLT3R3/", "attachments": [{"title": "Nasazeni XDP v Knot DNS", "url": "/media/2025/submissions/PLT3R3/resources/lukas_vacek_xdp_knot_dns_FxDWFfc.pdf", "type": "related"}]}, {"guid": "96ccf1ab-5796-52be-a1d4-7b1eaa650447", "code": "UVLL3P", "id": 27, "logo": null, "date": "2025-01-21T14:30:00+01:00", "start": "14:30", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-27-novinky-na-dns-anycastu-pro-narodni-domenu-cz", "url": "https://pretalx.csnog.eu/2025/talk/UVLL3P/", "title": "Novinky na DNS anycastu pro n\u00e1rodn\u00ed dom\u00e9nu .CZ", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V r. 2024 byl anycast pro dom\u00e9nu .CZ v\u00fdznamn\u011b pos\u00edlen zprovozn\u011bn\u00edm 400GE linky do NIX.CZ a nov\u00fdmi lokalitami v \u010cR i v zahrani\u010d\u00ed. Jak proces prob\u00edhal? S \u010d\u00edm se pot\u00fdk\u00e1me? Jak\u00e1 je jeho kapacita a kam se bude ub\u00edrat d\u00e1le? Pro\u010d jsme za\u010dali pou\u017e\u00edvat katalogov\u00e9 z\u00f3ny? A kdo dal\u0161\u00ed nov\u011b anycast vyu\u017e\u00edv\u00e1?", "description": "V r. 2024 byl anycast pro dom\u00e9nu .CZ v\u00fdznamn\u011b pos\u00edlen zprovozn\u011bn\u00edm 400GE linky do NIX.CZ a nov\u00fdmi lokalitami v \u010cR i v zahrani\u010d\u00ed. Jak proces prob\u00edhal? S \u010d\u00edm se pot\u00fdk\u00e1me? Jak\u00e1 je jeho kapacita a kam se bude ub\u00edrat d\u00e1le? Pro\u010d jsme za\u010dali pou\u017e\u00edvat katalogov\u00e9 z\u00f3ny? A kdo dal\u0161\u00ed nov\u011b anycast vyu\u017e\u00edv\u00e1?", "recording_license": "", "do_not_record": false, "persons": [{"code": "U7MA7D", "name": "Tom\u00e1\u0161 H\u00e1la, Luk\u00e1\u0161 Vacek", "avatar": null, "biography": null, "public_name": "Tom\u00e1\u0161 H\u00e1la, Luk\u00e1\u0161 Vacek", "guid": "c540c7e5-fdb0-556f-bb12-079e79fda271", "url": "https://pretalx.csnog.eu/2025/speaker/U7MA7D/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/UVLL3P/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/UVLL3P/", "attachments": [{"title": "Novinky na DNS anycastu pro n\u00e1rodn\u00ed dom\u00e9nu .CZ", "url": "/media/2025/submissions/UVLL3P/resources/CSNOG_2025_DNS_anycast_arXji9k.pdf", "type": "related"}]}, {"guid": "414e348f-2a06-5e68-ae83-1336ec647f48", "code": "WWDC3W", "id": 15, "logo": null, "date": "2025-01-21T14:50:00+01:00", "start": "14:50", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-15-mereni-vykonu-prenosu-dns-zon", "url": "https://pretalx.csnog.eu/2025/talk/WWDC3W/", "title": "M\u011b\u0159en\u00ed v\u00fdkonu p\u0159enos\u016f DNS z\u00f3n", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "- Rozd\u00edly v m\u011b\u0159en\u00ed mezi b\u011b\u017en\u00fdm DNS dotazem a DNS zone transferem\r\n- Vliv r\u016fzn\u00fdch re\u017eim\u016f zabezpe\u010den\u00ed na v\u00fdkon - bez, TSIG, DNS-over-TLS, srovn\u00e1n\u00ed metod\r\n- T\u0159i sc\u00e9n\u00e1\u0159e - mal\u00e1 z\u00f3na (intro), velk\u00e1 z\u00f3na (TLD), hodn\u011b mal\u00fdch z\u00f3n (typick\u00fd DNS hosting)\r\n- Praktick\u00e1 omezen\u00ed v TCP stacku a vliv na zone transfery\r\n- Jak je mo\u017en\u00e9, \u017ee DNS-over-TLS je n\u011bkdy rychlej\u0161\u00ed ne\u017e nezabezpe\u010den\u00e9 TCP?!", "description": "Jak m\u011b\u0159it v\u00fdkon DNS zone transfer\u016f? Jak se li\u0161\u00ed p\u0159\u00edpady s jednou malou z\u00f3nou, velkou z\u00f3nou (TLD), nebo spoustou mal\u00fdch z\u00f3n? Jak\u00fd je vliv zabezpe\u010den\u00ed p\u0159enosu dat na v\u00fdkon? Jak \u0161k\u00e1luje DNS-over-TLS?", "recording_license": "", "do_not_record": false, "persons": [{"code": "39FV7T", "name": "Petr \u0160pa\u010dek", "avatar": null, "biography": null, "public_name": "Petr \u0160pa\u010dek", "guid": "3eec0d33-a8a1-5dc4-b5b2-5fdaa6c4a9f3", "url": "https://pretalx.csnog.eu/2025/speaker/39FV7T/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/WWDC3W/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/WWDC3W/", "attachments": [{"title": "Slajdy", "url": "/media/2025/submissions/WWDC3W/resources/presentation_16A4Dge.pdf", "type": "related"}]}, {"guid": "24c1c791-1454-5e97-b5f0-e5acdb5e584c", "code": "JYXRP8", "id": 11, "logo": null, "date": "2025-01-21T15:40:00+01:00", "start": "15:40", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-11-ctvrt-milionu-prefixu", "url": "https://pretalx.csnog.eu/2025/talk/JYXRP8/", "title": "\u010ctvrt milionu prefix\u016f", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Agregace IP prefix\u016f se hod\u00ed na cest\u011b mezi BGP a hardwarem, nebo\u0165 tak lze zredukovat objem tabulky na t\u0159etinu a\u017e p\u011btinu a u\u0161et\u0159it tak prostor v TCAMu. Prezentace v\u00fdsledk\u016f a pl\u00e1n\u016f t\u00fdmu BIRD.", "description": "Objem IPv6 tabulky se pomalu bl\u00ed\u017e\u00ed \u010dtvrtmilionu a IPv4 t\u00e9m\u011b\u0159 dosahuje magick\u00e9 milionov\u00e9 hranice. M\u016f\u017eeme zlep\u0161it v\u00fdkon hardwaru agregac\u00ed prefix\u016f se stejn\u00fdmi nexthopy?", "recording_license": "", "do_not_record": false, "persons": [{"code": "TECRQD", "name": "Maria Matejka", "avatar": null, "biography": null, "public_name": "Maria Matejka", "guid": "ac28abdd-8017-554d-bfe4-d630fc579ab9", "url": "https://pretalx.csnog.eu/2025/speaker/TECRQD/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/JYXRP8/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/JYXRP8/", "attachments": [{"title": "slydy", "url": "/media/2025/submissions/JYXRP8/resources/agregace-prefixu_DzNqGx8.pdf", "type": "related"}]}, {"guid": "2b9c1904-4c3b-5bee-88e4-1503b5a8b382", "code": "ZBUZGW", "id": 9, "logo": null, "date": "2025-01-21T16:00:00+01:00", "start": "16:00", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-9-dokumentace-site-cesnet3-pomoci-netboxu", "url": "https://pretalx.csnog.eu/2025/talk/ZBUZGW/", "title": "Dokumentace s\u00edt\u011b CESNET3 pomoc\u00ed Netboxu", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "C\u00edlem prezentace je p\u0159edstavit nasazen\u00ed dokumenta\u010dn\u00edho syst\u00e9mu Netbox v r\u00e1mci migrace s\u00edt\u011b CESNET na novou technologii. Prezentace zahrnuje cestu, kterou jsme si p\u0159i nasazov\u00e1n\u00ed n\u00e1stoje pro\u0161li, p\u0159es uk\u00e1zku vlastn\u00edch roz\u0161i\u0159uj\u00edc\u00edch plugin\u016f a\u017e k aktu\u00e1ln\u00edmu stavu a viz\u00edm do budoucna. Z\u00e1m\u011brem je uk\u00e1zka, jak n\u00e1m v CESNETu Netbox usnadnil pr\u00e1ci ale z\u00e1rove\u0148 i v\u011bci, na kter\u00e9 je pot\u0159eba si d\u00e1t pozor.", "description": "Kvalitn\u00ed dokumentace je dnes kl\u00ed\u010dov\u00e1 pro efektivn\u00ed provoz rozs\u00e1hl\u00fdch s\u00edt\u00ed. V t\u00e9to prezentaci p\u0159edstav\u00edme cestu, kterou jsme zvolili pro novou s\u00ed\u0165 CESNET3. Uk\u00e1\u017eeme, jak vyu\u017e\u00edv\u00e1me NetBox, jak jsme jej doplnili o vlastn\u00ed roz\u0161\u00ed\u0159en\u00ed, a jak se z n\u011bj st\u00e1v\u00e1 \u201ezdroj pravdy\u201c pro postupn\u00e9 nasazen\u00ed automatizace.", "recording_license": "", "do_not_record": false, "persons": [{"code": "GFMMPX", "name": "Ladislav Loub", "avatar": null, "biography": null, "public_name": "Ladislav Loub", "guid": "f37f808f-e747-58ac-81f5-be0b095d3abf", "url": "https://pretalx.csnog.eu/2025/speaker/GFMMPX/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/ZBUZGW/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/ZBUZGW/", "attachments": [{"title": "Prezentace", "url": "/media/2025/submissions/ZBUZGW/resources/Dokumentace_site_CESNET3_Netbox_Loub_UU0Fij8.pdf", "type": "related"}]}, {"guid": "63be2586-25c2-5526-8776-a7cab9b12cc0", "code": "FTPPED", "id": 31, "logo": null, "date": "2025-01-21T16:20:00+01:00", "start": "16:20", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-31-jak-na-centralni-log-management", "url": "https://pretalx.csnog.eu/2025/talk/FTPPED/", "title": "Jak na centr\u00e1ln\u00ed log management", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "P\u0159edn\u00e1\u0161ka bude popisovat, jak v s\u00edti zav\u00e9st centr\u00e1ln\u00ed log management. Nejedn\u00e1 se o popis konkr\u00e9tn\u00edho \u0159e\u0161en\u00ed, ale sp\u00ed\u0161e popis cesty a \u00faskal\u00ed, kter\u00e9 na cest\u011b mohou nastat. K tomu praktick\u00e9 rady, kde m\u016f\u017eou nastat probl\u00e9my a \u010deho se vyvarovat.", "description": "Obsah:\r\n\r\n Pro\u010d?\r\n Principy\r\n Sb\u011br\r\n N\u00e1stroje\r\n Bezpe\u010dnost\r\n \u0160k\u00e1lovatelnost\r\n Anal\u00fdza a reakce na incidenty\r\n Nejlep\u0161\u00ed praktiky\r\n Z\u00e1v\u011br", "recording_license": "", "do_not_record": false, "persons": [{"code": "TXMWXL", "name": "Lukas Macura", "avatar": null, "biography": null, "public_name": "Lukas Macura", "guid": "c86fd5ad-7825-54e3-8349-dd2b578363db", "url": "https://pretalx.csnog.eu/2025/speaker/TXMWXL/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/FTPPED/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/FTPPED/", "attachments": [{"title": "prednaska", "url": "/media/2025/submissions/FTPPED/resources/LogManagement_CSNOG_2025-1_YaEgDgD.pdf", "type": "related"}]}, {"guid": "2845b44f-ee4f-5c39-971c-03b67e81aa5e", "code": "79AYJP", "id": 8, "logo": null, "date": "2025-01-21T16:40:00+01:00", "start": "16:40", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-8-0-root-cause-analysis-benefits-of-having-flow-data-right-beside-snmp-otel-and-other-logs", "url": "https://pretalx.csnog.eu/2025/talk/79AYJP/", "title": "Root cause analysis - benefits of having Flow data right beside SNMP, OTel, and other logs", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Use case of ISP trouble-shooting Latency issues on the customer facing interface. \r\nWe look at the simple yet powerful approach - leveraging multiple data sources, correlating events, and putting it all together in Grafana. \r\nWe demonstrate examples using Grafana, Prometheus, OTel, SNMP, and netflow analytical datasource.", "description": "Presentation discusses why it is beneficial to got in disposal multiple datasources when one is dealing with Root cause analysis. The main use case focuses on analysing Flow data right beside SNMP, OTel, and other logs in open-source Grafana stack.\r\nPresentation is product agnostic.\r\n~35min", "recording_license": "", "do_not_record": false, "persons": [{"code": "8XRBJC", "name": "Matej Pavelka", "avatar": null, "biography": null, "public_name": "Matej Pavelka", "guid": "18ca972b-a9cb-5336-bd38-070d9efda643", "url": "https://pretalx.csnog.eu/2025/speaker/8XRBJC/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/79AYJP/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/79AYJP/", "attachments": [{"title": "20250121 FLOWCUTTER - CSNOG 2025 - v3", "url": "/media/2025/submissions/79AYJP/resources/20250121_FLOWCUTTER_-_CSNOG_2025_-_v3.pptx-3_9ljchS3.pdf", "type": "related"}]}, {"guid": "662f26f3-c007-569d-b504-a284041a8026", "code": "KJERBK", "id": 34, "logo": null, "date": "2025-01-21T17:00:00+01:00", "start": "17:00", "duration": "00:10", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-34-code-of-conduct-vcera-dnes-a-zitra", "url": "https://pretalx.csnog.eu/2025/talk/KJERBK/", "title": "Code of Conduct: v\u010dera, dnes a z\u00edtra", "subtitle": "", "track": "CSNOG", "type": "Lightning Talk", "language": "cs", "abstract": "C\u00edlem LT je otev\u0159\u00edt diskusi nad CoC, kter\u00e9 m\u00e1me na webu CSNOGu, nebo\u0165 jako deklarace je to celkem dobr\u00e9, ale kdy\u017e je pot\u0159eba CoC pou\u017e\u00edt (tj. \u0159e\u0161it nevhodn\u00e9 chov\u00e1n\u00ed), tak nen\u00ed v\u016fbec jasn\u00e9, co vlastn\u011b d\u011blat.", "description": "Na webu CSNOG je jeden odstavec o tom, jak se k sob\u011b \u00fa\u010dastn\u00edci vz\u00e1jemn\u011b maj\u00ed chovat. Tento odstavec tam je prakticky od vzniku setk\u00e1n\u00ed CSNOG a nastal \u010das se ohl\u00e9dnout a zeptat se, jestli jsme s t\u00edmto nastaven\u00edm spokojeni.", "recording_license": "", "do_not_record": false, "persons": [{"code": "TECRQD", "name": "Maria Matejka", "avatar": null, "biography": null, "public_name": "Maria Matejka", "guid": "ac28abdd-8017-554d-bfe4-d630fc579ab9", "url": "https://pretalx.csnog.eu/2025/speaker/TECRQD/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/KJERBK/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/KJERBK/", "attachments": [{"title": "slydy", "url": "/media/2025/submissions/KJERBK/resources/coc-review_lztkTzT.pdf", "type": "related"}]}, {"guid": "faf4380d-b747-526f-b3dc-53c046027d1b", "code": "CKGDGR", "id": 42, "logo": null, "date": "2025-01-21T17:10:00+01:00", "start": "17:10", "duration": "00:05", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-42-je-network-engineering-na-mrtvem-bode", "url": "https://pretalx.csnog.eu/2025/talk/CKGDGR/", "title": "Je network engineering na mrtv\u00e9m bod\u011b?", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "Lightning Talk", "language": "cs", "abstract": "V subkultu\u0159e NetDevOps v lo\u0148sk\u00e9m roce zazn\u011blo, \u017ee Network Engineering u\u017e nen\u00ed atraktivn\u00ed kari\u00e9ra s budoucnost\u00ed. Vedle toho se objevily skeptick\u00e9 n\u00e1zory na IPv6 a budoucnost Internetu v dosud zn\u00e1m\u00e9 podob\u011b (keynote Geoffa Hustona na NANOG 92). Souvis\u00ed to? Ned\u011bl\u00e1me n\u011bco \u0161patn\u011b?", "description": "V subkultu\u0159e NetDevOps v lo\u0148sk\u00e9m roce zazn\u011blo, \u017ee Network Engineering u\u017e nen\u00ed atraktivn\u00ed kari\u00e9ra s budoucnost\u00ed. Vedle toho se objevily skeptick\u00e9 n\u00e1zory na IPv6 a budoucnost Internetu v dosud zn\u00e1m\u00e9 podob\u011b (keynote Geoffa Hustona na NANOG 92). Souvis\u00ed to? Ned\u011bl\u00e1me n\u011bco \u0161patn\u011b?", "recording_license": "", "do_not_record": false, "persons": [{"code": "E9P8AK", "name": "Tomas Hlavacek", "avatar": null, "biography": null, "public_name": "Tomas Hlavacek", "guid": "7c14e6a0-6cc2-5cec-8880-bc4a731de7c2", "url": "https://pretalx.csnog.eu/2025/speaker/E9P8AK/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/CKGDGR/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/CKGDGR/", "attachments": [{"title": "Prezentace", "url": "/media/2025/submissions/CKGDGR/resources/presentation_x89nPIh.pdf", "type": "related"}]}, {"guid": "8988f0a9-4915-5451-9f7a-47abaff74a93", "code": "GKP8J7", "id": 43, "logo": null, "date": "2025-01-21T17:15:00+01:00", "start": "17:15", "duration": "00:05", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-43-implementace-rfc8950", "url": "https://pretalx.csnog.eu/2025/talk/GKP8J7/", "title": "Implementace RFC8950", "subtitle": "", "track": "CSNOG", "type": "Lightning Talk", "language": "cs", "abstract": "Jak implementujeme RFC8950 v NIX.CZ a pro\u010d.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "AFVT8L", "name": "Marian Rychteck\u00fd", "avatar": null, "biography": null, "public_name": "Marian Rychteck\u00fd", "guid": "b35b5ca3-b413-5504-abe6-f76ca2b71b7c", "url": "https://pretalx.csnog.eu/2025/speaker/AFVT8L/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/GKP8J7/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/GKP8J7/", "attachments": []}], "Vedlej\u0161\u00ed m\u00edstnost": [{"guid": "34435518-22fe-5643-8eef-ba2616810e0e", "code": "PWS8LP", "id": 26, "logo": null, "date": "2025-01-21T13:30:00+01:00", "start": "13:30", "duration": "00:20", "room": "Vedlej\u0161\u00ed m\u00edstnost", "slug": "2025-26-merici-nastroje-a-postupy-pri-monitorovani-pasma-5-ghz", "url": "https://pretalx.csnog.eu/2025/talk/PWS8LP/", "title": "M\u011b\u0159ic\u00ed n\u00e1stroje a postupy p\u0159i monitorov\u00e1n\u00ed p\u00e1sma 5 GHz", "subtitle": "", "track": "Legislativa a regulace", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Prezentace se zam\u011b\u0159uje na r\u016fzn\u00e9 postupy p\u0159i monitorov\u00e1n\u00ed v p\u00e1smu 5GHz. Ukazuje m\u011b\u0159\u00edc\u00ed n\u00e1stroje, kter\u00e9 vyu\u017e\u00edv\u00e1 \u010cesk\u00fd telekomunika\u010dn\u00ed \u00fa\u0159ad nejen k monitorov\u00e1n\u00ed, ale i dohled\u00e1v\u00e1n\u00ed zdroj\u016f ru\u0161en\u00ed v tomto p\u00e1smu.", "description": "P\u00e1smo 5GHz je \u0161iroce vyu\u017e\u00edv\u00e1no pro bezdr\u00e1tov\u00e9 komunikace jako jsou WiFi s\u00edt\u011b, p\u0159\u00edstupov\u00e9 body, SRD a dal\u0161\u00ed technologie. Proto se \u010cesk\u00fd telekomunika\u010dn\u00ed \u00fa\u0159ad intenzivn\u011b v\u011bnuje nejen monitoringu, ale i dohled\u00e1v\u00e1n\u00ed zdroj\u016f ru\u0161en\u00ed tohoto p\u00e1sma za vyu\u017eit\u00ed modern\u00edch technologi\u00ed i vlastn\u00edch SW n\u00e1stroj\u016f.", "recording_license": "", "do_not_record": false, "persons": [{"code": "GWHC8A", "name": "Miroslav Kr\u00fdza", "avatar": null, "biography": null, "public_name": "Miroslav Kr\u00fdza", "guid": "6d7b3365-d942-55e0-a77d-f252439d4dd9", "url": "https://pretalx.csnog.eu/2025/speaker/GWHC8A/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/PWS8LP/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/PWS8LP/", "attachments": [{"title": "Prezentace_M\u011b\u0159ic\u00ed n\u00e1stroje a postupy p\u0159i monitorov\u00e1n\u00ed p\u00e1sma 5 GHz", "url": "/media/2025/submissions/PWS8LP/resources/CTU_CSNOG2025_KRYZA_gqhsvxk.pdf", "type": "related"}]}, {"guid": "2be84e93-7f37-58fe-b859-f7f07b915ddc", "code": "NHRXVF", "id": 35, "logo": null, "date": "2025-01-21T13:50:00+01:00", "start": "13:50", "duration": "00:20", "room": "Vedlej\u0161\u00ed m\u00edstnost", "slug": "2025-35-odhalovani-sexualniho-zneuzivani-deti", "url": "https://pretalx.csnog.eu/2025/talk/NHRXVF/", "title": "Odhalov\u00e1n\u00ed sexu\u00e1ln\u00edho zneu\u017e\u00edv\u00e1n\u00ed d\u011bt\u00ed", "subtitle": "", "track": "Legislativa a regulace", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V r\u00e1mci p\u0159edn\u00e1\u0161ky budou prezentov\u00e1ny vybran\u00e9 aspekty sexu\u00e1ln\u00edho zneu\u017e\u00edv\u00e1n\u00ed d\u011bt\u00ed online z pozice \u00da\u0159adu slu\u017eby krimin\u00e1ln\u00ed policie a vy\u0161et\u0159ov\u00e1n\u00ed Policejn\u00edho prezidia \u010cR, a to se zam\u011b\u0159en\u00edm na jeho mo\u017enou detekci a spolupr\u00e1ci s ostatn\u00edmi st\u00e1tn\u00edmi org\u00e1ny \u010di subjekty soukrom\u00e9ho sektoru.", "description": "V r\u00e1mci p\u0159edn\u00e1\u0161ky budou prezentov\u00e1ny vybran\u00e9 aspekty sexu\u00e1ln\u00edho zneu\u017e\u00edv\u00e1n\u00ed d\u011bt\u00ed online z pozice \u00da\u0159adu slu\u017eby krimin\u00e1ln\u00ed policie a vy\u0161et\u0159ov\u00e1n\u00ed Policejn\u00edho prezidia \u010cR, a to se zam\u011b\u0159en\u00edm na jeho mo\u017enou detekci a spolupr\u00e1ci s ostatn\u00edmi st\u00e1tn\u00edmi org\u00e1ny \u010di subjekty soukrom\u00e9ho sektoru.", "recording_license": "", "do_not_record": false, "persons": [{"code": "DDJHNE", "name": "David Kov\u00e1\u0159", "avatar": null, "biography": null, "public_name": "David Kov\u00e1\u0159", "guid": "531c242a-fee1-58f9-8c16-fe1edb6baadb", "url": "https://pretalx.csnog.eu/2025/speaker/DDJHNE/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/NHRXVF/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/NHRXVF/", "attachments": []}, {"guid": "f4377e78-3a6e-51bd-a345-df5c4825edfb", "code": "V97TES", "id": 19, "logo": null, "date": "2025-01-21T14:10:00+01:00", "start": "14:10", "duration": "00:20", "room": "Vedlej\u0161\u00ed m\u00edstnost", "slug": "2025-19-zabezpeceni-e-mailove-komunikace", "url": "https://pretalx.csnog.eu/2025/talk/V97TES/", "title": "Zabezpe\u010den\u00ed e-mailov\u00e9 komunikace", "subtitle": "", "track": "Legislativa a regulace", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "N\u00daKIB u\u017e v roce 2021 vydal ochrann\u00e9 opat\u0159en\u00ed, kter\u00e9 na\u0159izuje spr\u00e1vc\u016fm e-mailov\u00fdch syst\u00e9m\u016f zav\u00e9st bezpe\u010dnostn\u00ed technologie SPF, DKIM, DMARC a DANE. S p\u0159\u00edchodem nov\u00e9ho z\u00e1kona o kybernetick\u00e9 bezpe\u010dnosti se bude roz\u0161i\u0159ovat rozsah subjekt\u016f, kter\u00e9 se regulac\u00ed budou muset \u0159\u00eddit. Co tato regulace znamen\u00e1 pro poskytovatele internetov\u00e9ho p\u0159ipojen\u00ed?", "description": "N\u00daKIB u\u017e v roce 2021 vydal ochrann\u00e9 opat\u0159en\u00ed, kter\u00e9 na\u0159izuje spr\u00e1vc\u016fm e-mailov\u00fdch syst\u00e9m\u016f zav\u00e9st bezpe\u010dnostn\u00ed technologie SPF, DKIM, DMARC a DANE. S nov\u00fdm ZKB se bude roz\u0161i\u0159ovat rozsah subjekt\u016f, kter\u00e9 se regulac\u00ed budou muset \u0159\u00eddit. Co tato regulace znamen\u00e1 pro poskytovatele internetov\u00e9ho p\u0159ipojen\u00ed?", "recording_license": "", "do_not_record": false, "persons": [{"code": "93MCTP", "name": "Jakub Ondreka", "avatar": null, "biography": null, "public_name": "Jakub Ondreka", "guid": "bd3296ac-a35a-5209-bc91-f9f3a27ca1cd", "url": "https://pretalx.csnog.eu/2025/speaker/93MCTP/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/V97TES/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/V97TES/", "attachments": [{"title": "prezentace", "url": "/media/2025/submissions/V97TES/resources/CSNOG_2025_a0FEfes.pdf", "type": "related"}]}, {"guid": "7338992d-9a2f-5260-91f5-dfacad229ea7", "code": "K3TNZM", "id": 21, "logo": null, "date": "2025-01-21T14:30:00+01:00", "start": "14:30", "duration": "00:20", "room": "Vedlej\u0161\u00ed m\u00edstnost", "slug": "2025-21-portal-nukib", "url": "https://pretalx.csnog.eu/2025/talk/K3TNZM/", "title": "Port\u00e1l N\u00daKIB", "subtitle": "", "track": "Legislativa a regulace", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V n\u00e1vaznosti na nov\u00fd z\u00e1kon o kybernetick\u00e9 bezpe\u010dnosti p\u0159ipravuje N\u00daKIB vlastn\u00ed Port\u00e1l, kter\u00fd bude slou\u017eit jako hlavn\u00ed kontaktn\u00ed bod v oblasti kybernetick\u00e9 bezpe\u010dnosti. Ohl\u00e1\u0161en\u00ed regulovan\u00e9 slu\u017eby, hl\u00e1\u0161en\u00ed incident\u016f nebo informace o aktu\u00e1ln\u00edch hrozb\u00e1ch. To je jen \u010d\u00e1st nov\u011b p\u0159ipravovan\u00e9ho port\u00e1lu. Jak postupuj\u00ed p\u0159\u00edpravy, jak\u00e9 funkcionality je mo\u017en\u00e9 vyu\u017e\u00edt u\u017e nyn\u00ed a kter\u00e9 bude mo\u017en\u00e9 vyu\u017e\u00edt brzk\u00e9 dob\u011b?", "description": "V n\u00e1vaznosti na nov\u00fd z\u00e1kon o kybernetick\u00e9 bezpe\u010dnosti p\u0159ipravuje N\u00daKIB vlastn\u00ed Port\u00e1l, kter\u00fd bude slou\u017eit jako hlavn\u00ed kontaktn\u00ed bod v oblasti kybernetick\u00e9 bezpe\u010dnosti. Ohl\u00e1\u0161en\u00ed regulovan\u00e9 slu\u017eby, hl\u00e1\u0161en\u00ed incident\u016f nebo informace o aktu\u00e1ln\u00edch hrozb\u00e1ch. To je jen \u010d\u00e1st nov\u011b p\u0159ipravovan\u00e9ho port\u00e1lu. Jak", "recording_license": "", "do_not_record": false, "persons": [{"code": "7P3TE9", "name": "Tom\u00e1\u0161 Peka\u0159", "avatar": null, "biography": null, "public_name": "Tom\u00e1\u0161 Peka\u0159", "guid": "ffd531fe-b750-5843-9e01-c4c6cef9ff03", "url": "https://pretalx.csnog.eu/2025/speaker/7P3TE9/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/K3TNZM/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/K3TNZM/", "attachments": [{"title": "prezentace", "url": "/media/2025/submissions/K3TNZM/resources/2025_portal_nukib_csnog_1IMtLwo.pdf", "type": "related"}, {"title": "prezentace", "url": "/media/2025/submissions/K3TNZM/resources/2025_portal_nukib_csnog_RB8NLDa.pptx", "type": "related"}]}, {"guid": "afa293bd-3206-55cf-bbab-d653f1cbadd1", "code": "CKQ3AB", "id": 20, "logo": null, "date": "2025-01-21T14:50:00+01:00", "start": "14:50", "duration": "00:20", "room": "Vedlej\u0161\u00ed m\u00edstnost", "slug": "2025-20-novy-zakon-o-kyberneticke-bezpecnosti", "url": "https://pretalx.csnog.eu/2025/talk/CKQ3AB/", "title": "Nov\u00fd z\u00e1kon o kybernetick\u00e9 bezpe\u010dnosti", "subtitle": "", "track": "Legislativa a regulace", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "P\u0159\u00edsp\u011bvek shrne aktu\u00e1ln\u00ed stav n\u00e1vrhu z\u00e1kona o kybernetick\u00e9 bezpe\u010dnosti, kter\u00fd se v n\u00e1vaznosti na sm\u011brnici NIS2 dotkne tis\u00edc\u016f \u010desk\u00fdch firem a organizac\u00ed. P\u0159ipomeneme si tak\u00e9 nejpodstatn\u011bj\u0161\u00ed \u010d\u00e1sti navrhovan\u00e9ho z\u00e1kona.", "description": "P\u0159\u00edsp\u011bvek shrne aktu\u00e1ln\u00ed stav n\u00e1vrhu z\u00e1kona o kybernetick\u00e9 bezpe\u010dnosti, kter\u00fd se v n\u00e1vaznosti na sm\u011brnici NIS2 dotkne tis\u00edc\u016f \u010desk\u00fdch firem a organizac\u00ed. P\u0159ipomeneme si tak\u00e9 nejpodstatn\u011bj\u0161\u00ed \u010d\u00e1sti navrhovan\u00e9ho z\u00e1kona.", "recording_license": "", "do_not_record": false, "persons": [{"code": "LUFGWC", "name": "Petr Kop\u0159iva", "avatar": null, "biography": null, "public_name": "Petr Kop\u0159iva", "guid": "38a0f802-075d-569c-bd89-47ee61e67686", "url": "https://pretalx.csnog.eu/2025/speaker/LUFGWC/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/CKQ3AB/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/CKQ3AB/", "attachments": [{"title": "nZKB prezentace", "url": "/media/2025/submissions/CKQ3AB/resources/2025-1-21_Kopriva-nZKB_HzgMdwp.pptx", "type": "related"}]}, {"guid": "b1ce1d89-1d9a-5a3e-a57a-953ad7556fd5", "code": "S9DSHT", "id": 23, "logo": null, "date": "2025-01-21T15:40:00+01:00", "start": "15:40", "duration": "00:20", "room": "Vedlej\u0161\u00ed m\u00edstnost", "slug": "2025-23-aktivity-ctu-v-roce-2025", "url": "https://pretalx.csnog.eu/2025/talk/S9DSHT/", "title": "Aktivity \u010cT\u00da v roce 2025", "subtitle": "", "track": "Legislativa a regulace", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Jak p\u0159edseda Rady \u010cT\u00da hodnot\u00ed p\u0159edchoz\u00ed rok 2024 a jak\u00e9 aktivity pl\u00e1nuje n\u00e1rodn\u00ed regul\u00e1tor pro rok 2025? Prezentace se zam\u011b\u0159\u00ed na hlavn\u00ed \u00fakoly, kter\u00e9 si \u010cT\u00da napl\u00e1noval a to jak na trhu elektronick\u00fdch komunikac\u00ed, tak v r\u00e1mci nov\u00e9 kompetence digit\u00e1ln\u00edho koordin\u00e1tora podle na\u0159\u00edzen\u00ed DSA.", "description": "Jak p\u0159edseda Rady \u010cT\u00da hodnot\u00ed p\u0159edchoz\u00ed rok 2024 a jak\u00e9 aktivity pl\u00e1nuje n\u00e1rodn\u00ed regul\u00e1tor pro rok 2025? Prezentace se zam\u011b\u0159\u00ed na hlavn\u00ed \u00fakoly, kter\u00e9 si \u010cT\u00da napl\u00e1noval a to jak na trhu elektronick\u00fdch komunikac\u00ed, tak v r\u00e1mci nov\u00e9 kompetence digit\u00e1ln\u00edho koordin\u00e1tora podle na\u0159\u00edzen\u00ed DSA.", "recording_license": "", "do_not_record": false, "persons": [{"code": "RPTEBX", "name": "Marek Ebert", "avatar": null, "biography": null, "public_name": "Marek Ebert", "guid": "02b8bb3b-5413-54c7-b982-a7789239eb43", "url": "https://pretalx.csnog.eu/2025/speaker/RPTEBX/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/S9DSHT/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/S9DSHT/", "attachments": []}, {"guid": "330b52a2-5edc-5a85-b878-2bb0abccb772", "code": "ZM8ASC", "id": 36, "logo": null, "date": "2025-01-21T16:00:00+01:00", "start": "16:00", "duration": "00:40", "room": "Vedlej\u0161\u00ed m\u00edstnost", "slug": "2025-36-panelova-diskuze-vize-pro-2030", "url": "https://pretalx.csnog.eu/2025/talk/ZM8ASC/", "title": "Panelov\u00e1 diskuze Vize pro 2030", "subtitle": "", "track": "Legislativa a regulace", "type": "Jin\u00fd", "language": "cs", "abstract": "Panelov\u00e1 diskuze se zam\u011b\u0159\u00ed netradi\u010dn\u00edm zp\u016fsobem na v\u00fdhled \u010cesk\u00e9 republiky v digit\u00e1ln\u00ed oblasti do roku 2030, p\u0159i\u010dem\u017e bude reflektovat r\u016fzn\u00e9 perspektivy z\u00fa\u010dastn\u011bn\u00fdch panelist\u016f, jak ze st\u00e1tn\u00ed spr\u00e1vy (\u010cT\u00da, N\u00daKIB), tak i soukrom\u00e9ho sektoru. Analyzuje sou\u010dasn\u00e9 brzdy, kter\u00e9 omezuj\u00ed digit\u00e1ln\u00ed rozvoj, jako jsou regula\u010dn\u00ed p\u0159ek\u00e1\u017eky, pomal\u00e9 zav\u00e1d\u011bn\u00ed inovac\u00ed, nebo v\u00e1lka v kybernetick\u00e9m prostoru. Z\u00e1rove\u0148 mapuje potenci\u00e1l \u010cR v oblasti technologick\u00e9ho pokroku, kybernetick\u00e9 bezpe\u010dnosti a digit\u00e1ln\u00ed transformace spole\u010dnosti. Diskutovat tak\u00e9 chceme, jak\u00e9 probl\u00e9my a v\u00fdzvy jednotliv\u00e9 sektory nejv\u00edce tr\u00e1p\u00ed a co je motivuje ke zm\u011bn\u00e1m.", "description": "Panelov\u00e1 diskuze se zam\u011b\u0159\u00ed netradi\u010dn\u00edm zp\u016fsobem na v\u00fdhled \u010cesk\u00e9 republiky v digit\u00e1ln\u00ed oblasti do roku 2030, p\u0159i\u010dem\u017e bude reflektovat r\u016fzn\u00e9 perspektivy z\u00fa\u010dastn\u011bn\u00fdch panelist\u016f, jak ze st\u00e1tn\u00ed spr\u00e1vy (\u010cT\u00da, N\u00daKIB), tak i soukrom\u00e9ho sektoru.", "recording_license": "", "do_not_record": false, "persons": [{"code": "WN7AAX", "name": "Jarom\u00edr Nov\u00e1k", "avatar": null, "biography": null, "public_name": "Jarom\u00edr Nov\u00e1k", "guid": "f9602fb7-7b56-59f1-8f8a-6ce98de9e72c", "url": "https://pretalx.csnog.eu/2025/speaker/WN7AAX/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/ZM8ASC/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/ZM8ASC/", "attachments": []}]}}, {"index": 2, "date": "2025-01-22", "day_start": "2025-01-22T04:00:00+01:00", "day_end": "2025-01-23T03:59:00+01:00", "rooms": {"Hlavn\u00ed m\u00edstnost": [{"guid": "2ee9a1e6-a435-57c9-9789-20407aefdfa9", "code": "GMMUJY", "id": 39, "logo": null, "date": "2025-01-22T10:00:00+01:00", "start": "10:00", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-39-novinky-a-plany-v-monitorovani-siti-pomoci-ipfixprobe", "url": "https://pretalx.csnog.eu/2025/talk/GMMUJY/", "title": "Novinky a pl\u00e1ny v monitorov\u00e1n\u00ed s\u00edt\u00ed pomoc\u00ed ipfixprobe", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Open source sonda ipfixprobe vyv\u00edjen\u00e1 ve sdru\u017een\u00ed CESNET umo\u017e\u0148uje monitorov\u00e1n\u00ed s\u00ed\u0165ov\u00fdch tok\u016f na \u0161irok\u00e9m spektru za\u0159\u00edzen\u00ed \u2013 od levn\u00fdch dom\u00e1c\u00edch router\u016f a\u017e po v\u00fdkonn\u00e9 servery schopn\u00e9 monitorovat 100GE linky. P\u0159edn\u00e1\u0161ka si klade za c\u00edl sezn\u00e1mit poslucha\u010de se sou\u010dasn\u00fdmi schopnostmi ipfixprobe, v\u010detn\u011b jeho integrace s detektory s\u00ed\u0165ov\u00fdch hrozeb vyu\u017e\u00edvaj\u00edc\u00edmi strojov\u00e9 u\u010den\u00ed. D\u00e1le se p\u0159edstav\u00ed pl\u00e1novan\u00e9 roz\u0161\u00ed\u0159en\u00ed podpory monitorov\u00e1n\u00ed 400GE linek s vyu\u017eit\u00edm hardwarov\u00e9 akcelerace prost\u0159ednictv\u00edm FPGA a implementace flow tabulky p\u0159\u00edmo v s\u00ed\u0165ov\u00fdch kart\u00e1ch (NIC).", "description": "Sonda ipfixprobe vyv\u00edjen\u00e1 ve sdru\u017een\u00ed CESNET umo\u017e\u0148uje monitorov\u00e1n\u00ed s\u00ed\u0165ov\u00fdch tok\u016f na r\u016fzn\u00fdch za\u0159\u00edzen\u00edch\u2013od dom\u00e1c\u00edch router\u016f po v\u00fdkonn\u00e9 servery monitoruj\u00edc\u00ed 100GE linky. P\u0159edn\u00e1\u0161ka p\u0159edstav\u00ed nejnov\u011bj\u0161\u00ed funkce, v\u010detn\u011b podpory DPDK pro komoditn\u00ed s\u00ed\u0165ov\u00e9 karty a podpory monitorov\u00e1n\u00ed 400GE linek.", "recording_license": "", "do_not_record": false, "persons": [{"code": "EASEBL", "name": "Karel Hynek", "avatar": null, "biography": null, "public_name": "Karel Hynek", "guid": "21b97f82-dbca-5ce3-ac32-a3969fc26db7", "url": "https://pretalx.csnog.eu/2025/speaker/EASEBL/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/GMMUJY/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/GMMUJY/", "attachments": [{"title": "Prezentace", "url": "/media/2025/submissions/GMMUJY/resources/Novinky_a_pl%C3%A1ny_v_ipfixprobe.pptx_kIYEfzv.pdf", "type": "related"}]}, {"guid": "643d53f1-0ace-545f-9b7a-9417ff2ef6a0", "code": "7TF3GB", "id": 14, "logo": null, "date": "2025-01-22T10:20:00+01:00", "start": "10:20", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-14-how-we-built-sflow-visualization-tool-open-source", "url": "https://pretalx.csnog.eu/2025/talk/7TF3GB/", "title": "How we built sFlow visualization tool (open source)", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "sk", "abstract": "In Energotel's IP network we need to store and visualisate few thousands of sFlow samples per second. Common open source tools (mainly Java based) require huge amount of system resources and becomes quicky unresposible.\r\nBy using open source tools GoFlow2, Kafka, Clickhouse and Grafana we have built own internal tool for parsing, storing and visualisating sFlow data. The network size forced us to do many optimisations we want to describe and share the know-how:\r\n- change default Clickhouse granularity\r\n- avoid storing calculated data (using Clickhouse's ALIAS data type)\r\n- implement double-sampling (data skipping to render wide time-window graphs)\r\n- use big cache for uncompressed data\r\nand many more.\r\nThe tool is in use in Energotel for a few months. Screenshots from Grafana raised questions from many people, what the tool we use.", "description": "When it comes to parse, store and visualize network telemetry data for hundreds gigs networks, many open source tools stop chasing. This presentation describes how we built lightweight but powerful internal tool using GoFlow2 - Clickhouse - Grafana stack.", "recording_license": "", "do_not_record": false, "persons": [{"code": "HEHPTR", "name": "Bla\u017eej Kraj\u0148\u00e1k", "avatar": null, "biography": null, "public_name": "Bla\u017eej Kraj\u0148\u00e1k", "guid": "c5f4424b-cae3-5664-a5c3-9ba430fdfa9a", "url": "https://pretalx.csnog.eu/2025/speaker/HEHPTR/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/7TF3GB/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/7TF3GB/", "attachments": [{"title": "Presentation", "url": "/media/2025/submissions/7TF3GB/resources/sflow-visualization.pdf_4fnMjiC.zip", "type": "related"}]}, {"guid": "a13936a7-2f4e-5e22-9613-c6dc9c40bfc5", "code": "Q7SQGC", "id": 38, "logo": null, "date": "2025-01-22T10:40:00+01:00", "start": "10:40", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-38-rise-of-the-merchant-silicon", "url": "https://pretalx.csnog.eu/2025/talk/Q7SQGC/", "title": "Rise of the Merchant Silicon", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "Merchant silicon got more popular over the last years as the capabilities and use-cases have increased significantly. This talk will show the evolution and differences of merchant silicon.", "description": "Merchant silicon got more popular over the last years as the capabilities and use-cases have increased significantly. This talk will show the evolution and differences of merchant silicon.", "recording_license": "", "do_not_record": false, "persons": [{"code": "BEVBTR", "name": "Patrick Prangl", "avatar": null, "biography": null, "public_name": "Patrick Prangl", "guid": "64d96b03-923f-54e3-8393-76a18fc5f8a9", "url": "https://pretalx.csnog.eu/2025/speaker/BEVBTR/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/Q7SQGC/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/Q7SQGC/", "attachments": [{"title": "Slides", "url": "/media/2025/submissions/Q7SQGC/resources/CSNOG2025_RiseOfTheMerchantSilicon_4dVoRTh.pdf", "type": "related"}]}, {"guid": "8a56b000-a3ad-55a4-a94b-51457cba560f", "code": "XG8T8A", "id": 10, "logo": null, "date": "2025-01-22T11:00:00+01:00", "start": "11:00", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-10-stepping-out-of-the-ids-stereotype-applying-suricata-s-full-potential", "url": "https://pretalx.csnog.eu/2025/talk/XG8T8A/", "title": "Stepping out of the IDS Stereotype: Applying Suricata\u2019s Full Potential", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "Suricata is widely recognized for its role as an open-source, high-performance Intrusion Detection/Prevention System. This session will introduce Suricata's role in the industry and highlight its lesser-known capabilities. The talk will explore how Suricata can be used for various network operations, such as detecting network issues, acting as a cybersecurity library, and functioning as a web application firewall in the AWS cloud. This presentation can be useful for everyone from network administrators to cybersecurity practitioners.", "description": "Suricata is known for its role as an IDS/IPS, but its capabilities go much further. This session will explore how Suricata can be used for network troubleshooting, as a cybersecurity library, and even as a web application firewall in AWS, unlocking its full potential for various network operations.", "recording_license": "", "do_not_record": false, "persons": [{"code": "SXHDXL", "name": "Luk\u00e1\u0161 \u0160i\u0161mi\u0161", "avatar": null, "biography": null, "public_name": "Luk\u00e1\u0161 \u0160i\u0161mi\u0161", "guid": "8ee88bbc-a643-5607-82ac-4baee416a65f", "url": "https://pretalx.csnog.eu/2025/speaker/SXHDXL/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/XG8T8A/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/XG8T8A/", "attachments": [{"title": "Slides", "url": "/media/2025/submissions/XG8T8A/resources/SuricataSteppingOutOfIDSStereotype-final93_wYk89Vq.pdf", "type": "related"}]}, {"guid": "ec68df1a-4e52-5b38-8d56-be69e34adca0", "code": "SWYN7U", "id": 32, "logo": null, "date": "2025-01-22T11:40:00+01:00", "start": "11:40", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-32-sdn-at-l0-with-open-hardware", "url": "https://pretalx.csnog.eu/2025/talk/SWYN7U/", "title": "SDN at L0 with Open Hardware", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "Software-defined optics bridge the gap between the traditional, vertically integrated optical network stack and a lean, modern datacenter-focused network architecture. In this presentation, we showcase CESNET's latest open hardware, the CzechLight optical transmission system. Based on open hardware design and (mostly) open source software, it allows the network operators to design, build and operate a DWDM network using the familiar, devops-oriented software stack.", "description": "Learn how SDN-based optical transmission system allows network operators to use the familiar, devops-focused control plane to operate a DWDM network and deliver an expanded service portfolio over the existing fiber footprint.", "recording_license": "", "do_not_record": false, "persons": [{"code": "ZUFH3X", "name": "Michal Ha\u017elinsk\u00fd", "avatar": null, "biography": null, "public_name": "Michal Ha\u017elinsk\u00fd", "guid": "4db70174-9b9d-5927-b235-a38afe0d0b9d", "url": "https://pretalx.csnog.eu/2025/speaker/ZUFH3X/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/SWYN7U/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/SWYN7U/", "attachments": [{"title": "SDN on L0", "url": "/media/2025/submissions/SWYN7U/resources/2025-01-22_CSNOG_SDN-L0_vjODdGJ.pdf", "type": "related"}]}, {"guid": "daccc6e4-d2e5-5b12-aef5-4dc4affe809c", "code": "EP7U8C", "id": 25, "logo": null, "date": "2025-01-22T12:00:00+01:00", "start": "12:00", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-25-evoluce-k-srv6-teorie-a-vyuziti", "url": "https://pretalx.csnog.eu/2025/talk/EP7U8C/", "title": "Evoluce k SRv6 \u2013 teorie a vyu\u017eit\u00ed", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "R\u00e1di bychom \u00fa\u010dastn\u00edk\u016fm konference p\u0159ipomn\u011bli nebo je sezn\u00e1mili s v\u00fdvojem transportn\u00edch technologi\u00ed od MPLS LDP, RSVP TE, p\u0159es Segment Routing MPLS a SR-TE ke konceptu SRv6. P\u0159edn\u00e1\u0161ka bude obsahovat z\u00e1kladn\u00ed principy fungov\u00e1n\u00ed, jejich srovn\u00e1n\u00ed, v\u00fdhody, omezen\u00ed a p\u0159\u00edklad konfigurace SRv6. Klasick\u00e9 \u201ep\u016fvodn\u00ed\u201c MPLS s LDP je v\u0161eobecn\u011b zn\u00e1m\u00e9 a velmi roz\u0161\u00ed\u0159en\u00e9. Segment routing s MPLS dataplane p\u0159in\u00e1\u0161\u00ed spoustu v\u00fdhod z pohledu spr\u00e1vy, snaz\u0161\u00ed nasazen\u00ed SDN (Controller), zjednodu\u0161en\u00ed konfigurace, ale st\u00e1le mo\u017enost pou\u017e\u00edvat \u201estar\u00fd vyzkou\u0161en\u00fd\u201c p\u0159\u00edstup k L2 i L3 VPN, mo\u017enost soub\u011bhu RSVP TE se SR a podobn\u011b. SRv6 ji\u017e vy\u017eaduje hlub\u0161\u00ed zm\u011bnu pohledu, ale umo\u017e\u0148uje vynech\u00e1n\u00ed MPLS dataplane, kter\u00fd s sebou nese mno\u017estv\u00ed omezen\u00ed nap\u0159. pro aplikace, cloudov\u00e9 slu\u017eby. Proto bychom r\u00e1di p\u0159ivedli poslucha\u010de k zamy\u0161len\u00ed nad t\u00edm \u017ee IPv6 s SRv6 m\u016f\u017ee b\u00fdt efektivn\u00ed a m\u00e1 smysl o t\u00e9to zm\u011bn\u011b p\u0159em\u00fd\u0161let i v konzervativn\u00edm SP sv\u011bt\u011b.", "description": "V\u00fdvoj transportn\u00ed technologie od MPLS LDP, RSVP TE, p\u0159es Segment Routing MPLS a SR-TE k SRv6. Z\u00e1kladn\u00ed principy fungov\u00e1n\u00ed, jejich srovn\u00e1n\u00ed, v\u00fdhody, omezen\u00ed a p\u0159\u00edklad konfigurace.", "recording_license": "", "do_not_record": false, "persons": [{"code": "KDPGWR", "name": "Vladim\u00edr Bure\u0161", "avatar": null, "biography": null, "public_name": "Vladim\u00edr Bure\u0161", "guid": "cf65e88b-980a-5d44-af01-8b9fbb282e3b", "url": "https://pretalx.csnog.eu/2025/speaker/KDPGWR/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/EP7U8C/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/EP7U8C/", "attachments": [{"title": "prezentace", "url": "/media/2025/submissions/EP7U8C/resources/12-00_SRv6_uihXxKG.pptx", "type": "related"}, {"title": "prezentace", "url": "/media/2025/submissions/EP7U8C/resources/12-00_SRv6_OwJytw2.pdf", "type": "related"}]}, {"guid": "faa98f1a-d10b-594c-9fc6-31d6e9461a56", "code": "CJWSAU", "id": 6, "logo": null, "date": "2025-01-22T12:20:00+01:00", "start": "12:20", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-6-automatizace-konfigurace-datovych-center-cra-ansible-git-ci-cd-arista", "url": "https://pretalx.csnog.eu/2025/talk/CJWSAU/", "title": "Automatizace konfigurace datov\u00fdch center \u010cRA - Ansible, Git, CI/CD, ARISTA", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V t\u00e9to p\u0159edn\u00e1\u0161ce p\u0159edstav\u00edme, jak jsme s vyu\u017eit\u00edm Ansible kolekc\u00ed AVD od v\u00fdrobce ARISTA, Gitu/Gitlabu a pythonu vyvinuli automatiza\u010dn\u00ed skripty pro efektivn\u00ed spr\u00e1vu slu\u017eeb v datov\u00fdch centrech \u010cRA. Skripty pokr\u00fdvaj\u00ed kompletn\u00ed konfiguraci s\u00edt\u011b, migraci slu\u017eeb z legacy infrastruktury a n\u00e1slednou editaci slu\u017eeb. Kl\u00ed\u010dov\u00fd koncept je datov\u00fd model Source of Truth (SOT). Ve\u0161ker\u00e9 konfigura\u010dn\u00ed zm\u011bny jsou \u0159e\u0161eny nad SOT modelem a verzov\u00e1ny v GITu. Cel\u00fd proces konfigurace slu\u017eeb prob\u00edh\u00e1 v r\u00e1mci CI/CD pipeliny. Proces zahrnuje validace a kon\u010d\u00ed aplikac\u00ed upraven\u00e9 konfigurace do management platformy CloudVision Portal (CVP) od v\u00fdrobce ARISTA, kter\u00e1 n\u00e1sledn\u011b konfigurace nasad\u00ed na s\u00ed\u0165ov\u00e9 prvky.", "description": "V t\u00e9to p\u0159edn\u00e1\u0161ce p\u0159edstav\u00edme automatizaci konfigurace datov\u00fdch center \u010cRA pomoc\u00ed Ansible AVD, Gitu/GitLabu a CI/CD pipeliny. Uk\u00e1\u017eeme, jak skripty spravuj\u00ed s\u00edt\u011b, migruj\u00ed slu\u017eby a edituj\u00ed konfigurace nad modelem Source of Truth, s nasazen\u00edm pomoc\u00ed ARISTA CloudVision Portal.", "recording_license": "", "do_not_record": false, "persons": [{"code": "YZDLDB", "name": "Radim Ro\u0161ka", "avatar": null, "biography": null, "public_name": "Radim Ro\u0161ka", "guid": "ca90c467-09e9-5864-97e1-4e5986afe3fa", "url": "https://pretalx.csnog.eu/2025/speaker/YZDLDB/"}, {"code": "JKGDPL", "name": "Vojtech Setina", "avatar": null, "biography": null, "public_name": "Vojtech Setina", "guid": "eb6d8f00-ecee-5458-b992-c856d8ea57a5", "url": "https://pretalx.csnog.eu/2025/speaker/JKGDPL/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/CJWSAU/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/CJWSAU/", "attachments": [{"title": "prezentace", "url": "/media/2025/submissions/CJWSAU/resources/ALTEPRO_CRA_automatizace_CSNOG2025-22.1.2025_v25slIO.pdf", "type": "related"}]}, {"guid": "f2ff1dca-3271-5019-8a6b-6cd67a39e01c", "code": "XRBP8Z", "id": 7, "logo": null, "date": "2025-01-22T12:40:00+01:00", "start": "12:40", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-7-timeseries-troubles-jak-ne-pocitat-statistiky", "url": "https://pretalx.csnog.eu/2025/talk/XRBP8Z/", "title": "Timeseries Troubles: Jak (ne)po\u010d\u00edtat statistiky", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Prezentace \"Timeseries Troubles: Jak (ne)po\u010d\u00edtat statistiky\" v\u00e1s zavede do sv\u011bta pr\u00e1ce s timeseries datab\u00e1zemi a nab\u00eddne pohled na nej\u010dast\u011bj\u0161\u00ed chyby a probl\u00e9my, se kter\u00fdmi jsem se pot\u00fdkal p\u0159i anal\u00fdze provozn\u00edch statistik. Zam\u011b\u0159\u00edm se na lekce, kter\u00e9 jsem se nau\u010dil d\u00edky vlastn\u00edm chyb\u00e1m, a na praktick\u00e9 tipy, jak se jim vyhnout. Uvid\u00edte, jak mohou drobn\u00e9 omyly p\u0159i interpretaci dat v\u00e9st k nespr\u00e1vn\u00fdm z\u00e1v\u011br\u016fm, a dozv\u00edte se, jak se vyhnout \u010dast\u00fdm n\u00e1strah\u00e1m p\u0159i pr\u00e1ci s \u010dasov\u00fdmi \u0159adami. Tento p\u0159\u00edstup v\u00e1m pom\u016f\u017ee l\u00e9pe porozum\u011bt dynamice dat a efektivn\u011bji je vyu\u017e\u00edvat pro anal\u00fdzu.", "description": "\"Timeseries Troubles: Jak (ne)po\u010d\u00edtat statistiky\" odhaluje nej\u010dast\u011bj\u0161\u00ed chyby p\u0159i pr\u00e1ci s timeseries datab\u00e1zemi. Dozv\u00edte se, jak se vyhnout omyl\u016fm p\u0159i v\u00fdpo\u010dtu provozn\u00edch statistik a z\u00edsk\u00e1te tipy na spr\u00e1vnou anal\u00fdzu \u010dasov\u00fdch \u0159ad.", "recording_license": "", "do_not_record": false, "persons": [{"code": "AFVT8L", "name": "Marian Rychteck\u00fd", "avatar": null, "biography": null, "public_name": "Marian Rychteck\u00fd", "guid": "b35b5ca3-b413-5504-abe6-f76ca2b71b7c", "url": "https://pretalx.csnog.eu/2025/speaker/AFVT8L/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/XRBP8Z/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/XRBP8Z/", "attachments": [{"title": "Update st\u0159eda final", "url": "/media/2025/submissions/XRBP8Z/resources/NIX.CZ_MR_-_Jak_nem%C4%9B%C5%99it_statistiky_8c2dBnf.pptx", "type": "related"}]}, {"guid": "d9f9dcab-6dfb-589c-8d6a-921167aa4f25", "code": "H9TZDD", "id": 30, "logo": null, "date": "2025-01-22T13:00:00+01:00", "start": "13:00", "duration": "00:20", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-30-automaticka-sprava-dnssecu-aneb-i-vy-muzete-zvysit-bezpecnost-ceskeho-internetu", "url": "https://pretalx.csnog.eu/2025/talk/H9TZDD/", "title": "Automatick\u00e1 spr\u00e1va DNSSECu, aneb i vy m\u016f\u017eete zv\u00fd\u0161it bezpe\u010dnost \u010desk\u00e9ho Internetu!", "subtitle": "", "track": "Spr\u00e1va s\u00edt\u00ed", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Sdru\u017een\u00ed CZ.NIC podporuje DNSSEC v registru .CZ dom\u00e9n ji\u017e od roku 2008, od roku 2017 jej umo\u017enil zav\u00e1d\u011bt pomoc\u00ed CDNSKEY z\u00e1znam\u016f. Podpora jednoduch\u00e9 spr\u00e1vy vy\u0161\u0161\u00edho zabezpe\u010den\u00ed DNS nechyb\u00ed ani v KNOT DNS.\r\nZejm\u00e9na proto, \u017ee syst\u00e9m zav\u00e1d\u011bn\u00ed DNSSECu pomoc\u00ed CDNSKEY proch\u00e1z\u00ed v\u00fdrazn\u00fdmi zm\u011bnami, je vhodn\u00e9 pov\u011bdom\u00ed o n\u011bm mezi s\u00ed\u0165ov\u00fdmi spr\u00e1vci o\u017eivit. Dostaneme se pak zase na prvn\u00ed m\u00edsto v pod\u00edlu zabezpe\u010den\u00ed pomoc\u00ed DNSSECu mezi ccTLD?", "description": "Sdru\u017een\u00ed CZ.NIC podporuje DNSSEC v registru .CZ dom\u00e9n ji\u017e od roku 2008, od roku 2017 jej umo\u017enil zav\u00e1d\u011bt pomoc\u00ed CDNSKEY z\u00e1znam\u016f. Podpora jednoduch\u00e9 spr\u00e1vy vy\u0161\u0161\u00edho zabezpe\u010den\u00ed DNS nechyb\u00ed ani v KNOT DNS.\r\nZejm\u00e9na proto, \u017ee syst\u00e9m zav\u00e1d\u011bn\u00ed DNSSECu pomoc\u00ed CDNSKEY proch\u00e1z\u00ed v\u00fdrazn\u00fdmi zm\u011bnami, je vhodn\u00e9 po", "recording_license": "", "do_not_record": false, "persons": [{"code": "BTEQ99", "name": "Zden\u011bk Br\u016fna", "avatar": null, "biography": null, "public_name": "Zden\u011bk Br\u016fna", "guid": "23a15b7e-24fe-5c57-8cda-2bba98192599", "url": "https://pretalx.csnog.eu/2025/speaker/BTEQ99/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/H9TZDD/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/H9TZDD/", "attachments": [{"title": "Automatick\u00e1 spr\u00e1va DNSSECu", "url": "/media/2025/submissions/H9TZDD/resources/AKM_CSNOG25v250120_mDTF3zQ.pdf", "type": "related"}]}, {"guid": "45e84b6e-2d4a-5e55-bd7f-fa2d7e8ef2f6", "code": "NEG7KE", "id": 37, "logo": null, "date": "2025-01-22T13:20:00+01:00", "start": "13:20", "duration": "00:10", "room": "Hlavn\u00ed m\u00edstnost", "slug": "2025-37-ukonceni-konference", "url": "https://pretalx.csnog.eu/2025/talk/NEG7KE/", "title": "Ukon\u010den\u00ed konference", "subtitle": "", "track": "CSNOG", "type": "Lightning Talk", "language": "cs", "abstract": "N\u011bkolik z\u00e1v\u011bre\u010dn\u00fdch slov.", "description": "Pozv\u00e1nky na dal\u0161\u00ed akce:\r\n - IPv6 Day 6. \u010dervna\r\n - CSNOG 2026", "recording_license": "", "do_not_record": false, "persons": [{"code": "9C9GDS", "name": "Ond\u0159ej Caletka", "avatar": null, "biography": null, "public_name": "Ond\u0159ej Caletka", "guid": "81314713-892d-548e-bf19-47e842a644db", "url": "https://pretalx.csnog.eu/2025/speaker/9C9GDS/"}], "links": [], "feedback_url": "https://pretalx.csnog.eu/2025/talk/NEG7KE/feedback/", "origin_url": "https://pretalx.csnog.eu/2025/talk/NEG7KE/", "attachments": [{"title": "prezentace", "url": "/media/2025/submissions/NEG7KE/resources/CSNOG2025-konec_vP6weqr.pdf", "type": "related"}]}], "Vedlej\u0161\u00ed m\u00edstnost": [{"guid": "b0a42082-279b-5b2f-880f-6ffd16578030", "code": "FPSJXZ", "id": 29, "logo": null, "date": "2025-01-22T10:00:00+01:00", "start": "10:00", "duration": "00:20", "room": "Vedlej\u0161\u00ed m\u00edstnost", "slug": "2025-29-inovace-prakticke-vyuky-virtualni-laboratore-netlab-fel-cvut", "url": "https://pretalx.csnog.eu/2025/talk/FPSJXZ/", "title": "Inovace praktick\u00e9 v\u00fduky - Virtu\u00e1ln\u00ed laborato\u0159e NetLAB FEL \u010cVUT", "subtitle": "", "track": "Akademick\u00e9 projekty", "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "P\u0159edn\u00e1\u0161ka se zam\u011b\u0159uje na virtu\u00e1ln\u00ed laborato\u0159 NetLAB, kter\u00e1 je provozov\u00e1na na Fakult\u011b elektrotechnick\u00e9 \u010cVUT. NetLAB poskytuje student\u016fm a v\u00fdzkumn\u00fdm pracovn\u00edk\u016fm inovativn\u00ed prost\u0159ed\u00ed pro simulaci, n\u00e1vrh a testov\u00e1n\u00ed po\u010d\u00edta\u010dov\u00fdch s\u00edt\u00ed, a to zcela vzd\u00e1len\u011b. Nov\u011b i pro \u00falohy zam\u011b\u0159en\u00e9 na kybernetickou bezpe\u010dnost. \r\n\r\nP\u0159edn\u00e1\u0161ka tak\u00e9 navazuje na p\u0159edn\u00e1\u0161ku z minul\u00e9ho roku a ukazuje pokrok v\u00fdvoje syst\u00e9mu za toto ub\u011bhl\u00e9 obdob\u00ed.\r\nHlavn\u00ed v\u00fdhody NetLAB zahrnuj\u00ed flexibilitu p\u0159\u00edstupu, \u0161k\u00e1lovatelnost prost\u0159edk\u016f a podporu \u0161irok\u00e9ho spektra s\u00ed\u0165ov\u00fdch technologi\u00ed, v\u010detn\u011b virtualizace, cloudov\u00fdch slu\u017eeb a kybernetick\u00e9 bezpe\u010dnosti. D\u016fraz je kladen na integraci do v\u00fdukov\u00e9ho procesu, \u010d\u00edm\u017e se zvy\u0161uje efektivita praktick\u00e9 v\u00fduky a usnad\u0148uje p\u0159\u00edstup k pokro\u010dil\u00fdm technologi\u00edm. Sou\u010d\u00e1st\u00ed prezentace je demonstrace z\u00e1kladn\u00edch funkc\u00ed NetLABu, jeho vyu\u017eit\u00ed ve v\u00fduce a mo\u017enosti roz\u0161\u00ed\u0159en\u00ed pro v\u011bdecko-v\u00fdzkumn\u00e9 projekty.\r\n\r\nPrezentace si klade za c\u00edl inspirovat akademick\u00e9 a odborn\u00e9 komunity k \u0161ir\u0161\u00edmu vyu\u017eit\u00ed virtu\u00e1ln\u00edch laborato\u0159\u00ed pro vzd\u011bl\u00e1v\u00e1n\u00ed a v\u00fdzkum v oblasti informa\u010dn\u00edch a komunika\u010dn\u00edch technologi\u00ed.", "description": "NetLAB p\u0159edstavuje revolu\u010dn\u00ed p\u0159\u00edstup k praktick\u00e9 v\u00fduce a v\u00fdzkumu v oblasti informa\u010dn\u00edch technologi\u00ed. 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