{"id":164650,"date":"2026-03-14T17:11:55","date_gmt":"2026-03-14T15:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/wolfip-i-passt-legkovesnye-steki-tcp-ip-rabotayushhie-bez-dinamicheskogo-vydeleniya-pamyati"},"modified":"2026-03-14T17:11:55","modified_gmt":"2026-03-14T15:11:55","slug":"wolfip-i-passt-legkovesnye-steki-tcp-ip-rabotayushhie-bez-dinamicheskogo-vydeleniya-pamyati","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/wolfip-i-passt-legkovesnye-steki-tcp-ip-rabotayushhie-bez-dinamicheskogo-vydeleniya-pamyati","title":{"rendered":"wolfIP i passt \u2014 lagani TCP\/IP stekovi koji rade bez dinami\u010dke dodjele memorije","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Razvija\u010di kriptografijske biblioteke wolfSSL razvijaju TCP\/IP stog wolfIP, optimiziran za upotrebu na ugra\u0111enim ure\u0111ajima s ograni\u010denim resursima, kao i za sustave koji rade u stvarnom vremenu i rje\u0161enja koja zahtijevaju pove\u0107anu pouzdanost (Safety-Critical). Za predvidivu potro\u0161nju resursa, u wolfIP se ne koristi dinami\u010dka alokacija memorije \u2014 svi buffere i tablice soketa imaju fiksnu veli\u010dinu i konfiguriraju se tijekom procesa kompajliranja. Kod projekta napisan je na jeziku C i distribuira se pod GPLv3 licencom.       <\/p>\n<p>Projekt se mo\u017ee koristiti kao TCP\/IP stek koji radi u korisni\u010dkom prostoru, zamjenjuju\u0107i mre\u017eni stek Linuxa, FreeBSD-a i macOS-a, a tako\u0111er je pogodan za aplikacije u ugra\u0111enim sustavima temeljenim na FreeRTOS, SafeRTOS, Zephyr, Azure RTOS ThreadX, NuttX, RTEMS, VxWorks i QNX. Uz to, na temelju wolfIP-a mogu se razvijati samostalne mre\u017ene aplikacije koje se pokre\u0107u iznad hardvera (bare-metal). U kombinaciji s knji\u017enicom wolfSSL pru\u017ea podr\u0161ku za TLS 1.3, \u0161to omogu\u0107uje izradu kompaktnim ugra\u0111enim sustavima koji podr\u017eavaju HTTPS.        <\/p>\n<p>Osnovne zna\u010dajke wolfIP:  <\/p>\n<ul>\n<li class=\"l\"> Kori\u0161tenje unaprijed dodijeljenih bafera u stati\u010dkoj memoriji za obradu mre\u017enih paketa. Pozivi malloc i free se ne koriste.\n<li class=\"l\"> Mogu\u0107nost kori\u0161tenja umjesto standardnih sustavnih mre\u017enih stekova na POSIX sustavima.\n<li class=\"l\"> Podr\u0161ka za BSD sokete u neblokiraju\u0107em i blokiraju\u0107em na\u010dinu rada.\n<li class=\"l\"> Kompaktna veli\u010dina (4200 linija koda, 4 puta manje od TCP\/IP steka lwIP).\n<li class=\"l\"> Podr\u0161ka za mre\u017ene su\u010delje STM32 Ethernet.\n<li class=\"l\"> Mogu\u0107nost kori\u0161tenja mre\u017enog su\u010delja TAP za testiranje rada bez opreme.\n<li class=\"l\"> Razvoj s fokusom na sustave s pove\u0107anim zahtjevima za sigurnost: deterministi\u010dka i reproducibilna konfiguracija; model implementacije koji osigurava sigurnost (Secure-by-default); izolacija izme\u0111u komponenti. Podr\u0161ka za sigurno a\u017euriranje verzija; dugotrajna podr\u0161ka.\n<li class=\"l\"> Uzimanje u obzir zahtjeva za visoko pouzdane sustave: nema dinami\u010dke dodjele resursa; fiksni bazeni memorije; kontrolirana potro\u0161nja resursa; predvidljivo pona\u0161anje; pojednostavljena arhitektura; podr\u0161ka za generiranje artefakata za verifikaciju.\n<li class=\"l\"> Implementacija IPv4, UDP, TCP, IPSEC, ARP, ICMP, DHCP klijenta, DNS klijenta i HTTP\/HTTPS servera. Podr\u0161ka za implementaciju TCP RFC 7323 (TCP Timestamps, mjerenje RTT, PAWS, Window Scaling), MSS (Maksimalna veli\u010dina segmenta), RTO (Vrijeme ponovnog slanja) i SACK (Selektivno priznavanje). Vi\u0161e algoritama kontrole preoptere\u0107enja.     <\/ul>\n<p>Me\u0111u ograni\u010denjima wolfIP isti\u010de se mogu\u0107nost kori\u0161tenja wolfIP-a samo kao krajnje to\u010dke koja mo\u017ee primati i uspostavljati veze, ali ne podr\u017eava usmjeravanje prometa izme\u0111u mre\u017enih su\u010delja.          <\/p>\n<p>Osim toga, mo\u017ee se istaknuti aktivni razvoj sli\u010dnog TCP\/IP stoga passt od strane zaposlenika Red Hat, koji radi u korisni\u010dkom prostoru i ne koristi dinami\u010dko dodjeljivanje memorije. Projekt passt se razvija za organizaciju komunikacijskog kanala izme\u0111u host okru\u017eenja i gostuju\u0107ih sustava u QEMU kao sigurnija zamjena za libslirp. Kod passt-a napisan je u C-u, ima oko 5000 redaka i distribuira se pod GPLv2+ licencom.    <\/p>\n<p>Me\u0111u zna\u010dajkama passt-a mo\u017ee se istaknuti: <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/lir\/ipv4\/\" title=\"podr\u0161ka za IPv6\" data-wpil-keyword-link=\"linked\">podr\u0161ka za IPv6<\/a> uz IPv4, optimizacija bazirana na AVX2 instrukcijama, za\u0161tita od synflood-a, ugra\u0111ena podr\u0161ka za QEMU, libvirt i Podman, paketi za sve popularne distribucije, ARP proxy servis, minimalisti\u010dki DHCPD, DHCPv6 i NDP serveri, seccomp profil za blokiranje svih neiskori\u0161tenih sistemskih poziva, podr\u0161ka za NAT, mogu\u0107nost kori\u0161tenja kao prozirna zamjena za slirp4netns.<br \/>\n<br \/>Izvor: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64989\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 wolfSSL \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0442 TCP\/IP \u0441\u0442\u0435\u043a wolfIP, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445, \u0438\u043c\u0435\u044e\u0449\u0438\u0445 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438, \u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u0439, \u0442\u0440\u0435\u0431\u0443\u044e\u0449\u0438\u0445 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u043e\u0439 \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438 (Safety-Critical). \u0414\u043b\u044f \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u044f \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432 \u0432 wolfIP \u043d\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 &#8212; \u0432\u0441\u0435 \u0431\u0443\u0444\u0435\u0440\u044b \u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0441\u043e\u043a\u0435\u0442\u043e\u0432 \u0438\u043c\u0435\u044e\u0442 \u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u0438 \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-164650","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 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re\u017eimu.","canonical_url":"https:\/\/prohoster.info\/hr\/blog\/news\/wolfip-i-passt-legkovesnye-steki-tcp-ip-rabotayushhie-bez-dinamicheskogo-vydeleniya-pamyati","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hr_HR","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47wolfIP \u0438 passt \u2014 \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u044b\u0435 \u0441\u0442\u0435\u043a\u0438 TCP\/IP, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0435 \u0431\u0435\u0437 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 | ProHoster","og:description":"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 wolfSSL \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0442 TCP\/IP \u0441\u0442\u0435\u043a wolfIP, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445, \u0438\u043c\u0435\u044e\u0449\u0438\u0445 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u044b, \u0430 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