{"id":87243,"date":"2020-07-06T01:42:18","date_gmt":"2020-07-05T23:42:18","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/newnode-deczentralizovannaya-cdn-ot-razrabotchika-firechat"},"modified":"2020-07-06T01:42:18","modified_gmt":"2020-07-05T23:42:18","slug":"newnode-deczentralizovannaya-cdn-ot-razrabotchika-firechat","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/newnode-deczentralizovannaya-cdn-ot-razrabotchika-firechat","title":{"rendered":"NewNode \u2014 decentralizovan\u00e9 CDN od v\u00fdvoj\u00e1\u0159e FireChat","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"NewNode \u2014 decentralizovan\u00e9 CDN od v\u00fdvoj\u00e1\u0159e FireChat\" src=\"\/wp-content\/uploads\/2020\/07\/0cf0dc3af9899a79d21a08580be94db8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNed\u00e1vno jsem narazil na zm\u00ednku o NewNode:<\/p>\n<blockquote><p>NewNode je SDK pro mobiln\u00ed v\u00fdvoj, kter\u00e9 \u010din\u00ed jakoukoli aplikaci odolnou v\u016f\u010di ve\u0161ker\u00e9 cenzu\u0159e a DDoS \u00fatok\u016fm, a dramaticky sni\u017euje z\u00e1t\u011b\u017e na server. P2P s\u00ed\u0165. Teoreticky m\u016f\u017ee fungovat i bez internetu.<\/p><\/blockquote>\n<p>\nVypadalo to docela chaoticky, ale zaj\u00edmav\u011b, a tak jsem se pustil do zkoum\u00e1n\u00ed. V repozit\u00e1\u0159i jsem nena\u0161el \u017e\u00e1dn\u00e9 m\u00edsto pro popis projektu, a proto jsem musel j\u00edt na web Clostra (docela podivn\u00fd) a n\u011bkolikr\u00e1t prostudovat jejich landing page, abych pochopil, o jakou technologii se vlastn\u011b jedn\u00e1 a kter\u00e1 \u010d\u00e1st je hlavn\u00ed. P\u0159episuji n\u00ed\u017ee. <br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3>dCDN<\/h3>\n<p>\nV\u00fdvoj\u00e1\u0159i z Clostra tvrd\u00ed, \u017ee tradi\u010dn\u00ed CDN \u0161patn\u011b odol\u00e1vaj\u00ed p\u0159et\u00ed\u017een\u00ed s\u00edt\u011b, jsou zraniteln\u00e9 v\u016f\u010di mo\u017en\u00e9 cenzu\u0159e a hack\u016fm, a tak\u00e9 vy\u017eaduj\u00ed spoustu pr\u00e1ce a pen\u011bz p\u0159i \u0161k\u00e1lov\u00e1n\u00ed. Nab\u00edzej\u00ed alternativu - decentralizovanou CDN, v n\u00ed\u017e aplikace budou moci vym\u011b\u0148ovat obsah bez mo\u017enosti zasahovat a kontrolovat provoz zven\u010d\u00ed. Tak\u00e9 se domn\u00edvaj\u00ed, \u017ee masivn\u00ed aplikace dCDN nezp\u016fsob\u00ed p\u0159et\u00ed\u017een\u00ed a zapln\u011bn\u00ed s\u00edt\u011b.<\/p>\n<h3>Protokol<\/h3>\n<p>\nD\u00e1le se ukazuje, \u017ee NewNode je peer-to-peer protokol, na kter\u00e9m u\u017e dCDN stav\u00ed. Slibuje vysokou rychlost, co\u017e obvykle p\u0159in\u00e1\u0161\u00ed probl\u00e9my decentralizovan\u00fdm s\u00edt\u00edm. <br \/>\nForm\u00e1ln\u011b nen\u00ed protokol nikde pops\u00e1n, ale z PDF souboru lze pochopit, \u017ee funguje pomoc\u00ed:<\/p>\n<ul>\n<li>LEDBAT<\/li>\n<li>Bittorrent DHT<\/li>\n<li>Spojen\u00ed device-to-device z FireChat<\/li>\n<\/ul>\n<p>\nJako samostatn\u00fd bod je uvedena vlastnost s\u00edt\u00ed na NewNode automaticky se rozv\u00edjet a opravovat (posledn\u00ed z\u0159ejm\u011b nazna\u010duje nestabilitu mesh-s\u00edt\u011b z mobiln\u00edch za\u0159\u00edzen\u00ed). Tak\u00e9, proto\u017ee v\u00fdvoj\u00e1\u0159i doufaj\u00ed, \u017ee implementuj\u00ed podporu protokolu do v\u0161ech mo\u017en\u00fdch aplikac\u00ed, provoz generovan\u00fd NewNode&#8217;em nebude demaskovat u\u017eivatele. Je vyhl\u00e1\u0161ena ochrana proti DDoS a odd\u011blen\u011b je vyzdvi\u017eena fr\u00e1ze:<\/p>\n<blockquote><p>Vyu\u017eijte 250 milion\u016f u\u017eivatel\u016f BitTorrentu<\/p><\/blockquote>\n<p>\n\u00dapln\u011b nen\u00ed jasn\u00e9, co t\u00edm cht\u011bli \u0159\u00edct a jak se osloven\u00ed k Bittorrent DHT v protokolu rovn\u00e1 u\u017eivatelsk\u00e9 z\u00e1kladn\u011b Bittorrent&#8217;u.<\/p>\n<p>Pr\u00e1ce bez internetu je zjevn\u011b d\u011bdictv\u00edm technologi\u00ed FireChat, ale nen\u00ed jasn\u00e9 v jak\u00fdch mez\u00edch. V jedin\u00e9 v\u011bt\u011b o offline p\u0159\u00edstupu se zmi\u0148uje p\u0159\u00edstup k \"v\u00e1\u0161emu obsahu\", co\u017e pravd\u011bpodobn\u011b znamen\u00e1 p\u0159esm\u011brov\u00e1n\u00ed p\u0159\u00edchoz\u00edch dat skrze sousedn\u00edho klienta s internetem p\u0159es mesh s\u00ed\u0165.<\/p>\n<h3>Repozit\u00e1\u0159<\/h3>\n<p>\nObsahuje SDK pro Android, iOS a macOS\/Linux. B\u011bhem t\u0159\u00ed a p\u016fl let existence projektu se do n\u011bj zapojilo 4 p\u0159isp\u011bvatel\u016f, ale v podstat\u011b cel\u00fd k\u00f3d napsal jeden v\u00fdvoj\u00e1\u0159 \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ghazel\">Greg Hazel<\/a><\/noindex>. Tady jsem, samoz\u0159ejm\u011b, byl zklaman\u00fd \u2014 cel\u00e1 tato ambici\u00f3zn\u00ed vize se uk\u00e1zala b\u00fdt v podstat\u011b pet projektem jednoho v\u00fdvoj\u00e1\u0159e. Ale n\u011bco m\u011b p\u0159ece jenom napl\u0148uje nad\u011bj\u00ed.<\/p>\n<p><img decoding=\"async\" alt=\"NewNode \u2014 decentralizovan\u00e9 CDN od v\u00fdvoj\u00e1\u0159e FireChat\" src=\"\/wp-content\/uploads\/2020\/07\/c9f548446d65ac6a1e832b1b0730dbb0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nN\u011bkter\u00e9 vazby se za\u010daly vytv\u00e1\u0159et u\u017e na webu, a kdy\u017e jsem se prob\u00edral GitHubem, vzpomn\u011bl jsem si definitivn\u011b. CEO Clostra, kter\u00e1 vyv\u00edj\u00ed projekt, a jeden z p\u0159isp\u011bvatel\u016f \u2014 Stanislav \u0160alunov, jeden z v\u00fdvoj\u00e1\u0159\u016f FireChat a autor Low Extra Delay Background Transport (LEDBAT), podle kter\u00e9ho funguje Bittorrent, Apple a jist\u011b i n\u011bco dal\u0161\u00edho. Nyn\u00ed je tak\u00e9 investorem a zd\u00e1 se, \u017ee pl\u00e1nuje v\u00e1\u017en\u011b rozv\u00edjet sv\u016fj protokol a ud\u011blat ho obecn\u011b uzn\u00e1van\u00fdm (nebo alespo\u0148 zn\u00e1m\u00fdm, jako se to stalo s LEDBAT). <\/p>\n<h3>Co m\u011b je\u0161t\u011b znepokojuje<\/h3>\n<p>\nKrom\u011b pln\u00e9 z\u00e1vislosti na jednom v\u00fdvoj\u00e1\u0159i existuj\u00ed i dal\u0161\u00ed podivnosti kolem tohoto projektu.<\/p>\n<ul>\n<li>O n\u011bm nikdo nikde nep\u00ed\u0161e. Ani na HN, ani v bloz\u00edch nebo na Twitteru. \u00dapln\u00e9 informa\u010dn\u00ed vakuum. Ani nev\u00edm, odkud se dozv\u011bd\u011bl ten \u010dlov\u011bk, kter\u00fd napsal popis na za\u010d\u00e1tku p\u0159\u00edsp\u011bvku.<\/li>\n<li>Pokud je my\u0161lenka skute\u010dn\u011b dobr\u00e1, pomoc\u00ed osobn\u00edho brandu a autority \u0160alunova by se to u\u017e d\u00e1vno dalo roz\u0161\u00ed\u0159it a z\u00edskat podporu velk\u00fdch hr\u00e1\u010d\u016f (nebo velk\u00e9ho komunity). Nic z toho nen\u00ed.<\/li>\n<li>Clostra \u2013 velmi pochybn\u00e9 studio. Opravu velmi. Maj\u00ed extr\u00e9mn\u011b nevzhledn\u00fd web, na kter\u00e9m p\u0159edstavuj\u00ed sv\u016fj jedin\u00fd produkt Keymaker (a tak\u00e9 NewNode), v\u0161echno bez p\u0159\u00edklad\u016f, recenz\u00ed, screenshot\u016f a dal\u0161\u00edho balastu, kter\u00fd je povinn\u00fd na landing page. Je tam jen inspirativn\u00ed text v nejasn\u00fdch formulac\u00edch a ikonky z nejbli\u017e\u0161\u00edho stocku. Nelze prozkoumat t\u00fdm, pozice nebo v\u016fbec n\u011bco zjistit o t\u00e9to firm\u011b. Maj\u00ed Twitter, kter\u00fd z\u0159ejm\u011b spravuje bot, a opu\u0161t\u011bn\u00fd Facebook zalo\u017een\u00fd v dob\u011b jej\u00edho vzniku. Ale navzdory t\u00e9to vn\u011bj\u0161\u00ed podez\u0159elosti n\u011bkolik m\u00edst zd\u016fraz\u0148uje fakt jejich spolupr\u00e1ce s vl\u00e1dn\u00edmi agenturami, zejm\u00e9na s Ministerstvem obrany. Existuj\u00ed t\u0159i recenze na p\u0159ijet\u00ed k nim do pr\u00e1ce, z nich\u017e dv\u011b jsou ost\u0159e negativn\u00ed (nap\u0159\u00edklad \u201eNetr\u00e1cejte \u010das s Clostra. N\u011bco tu smrd\u00ed u tohoto podvodu\u201c), a jedna velmi pozitivn\u00ed. Celkov\u011b na prvn\u00ed pohled nen\u00ed tento projekt od podvodu k rozezn\u00e1n\u00ed.<\/li>\n<\/ul>\n<p>\nUvid\u00edme, co z toho v\u0161echno vypadne, osobn\u011b m\u011b bude zaj\u00edmat sledovat tento ambici\u00f3zn\u00ed projekt. Pokud NewNode usp\u011bje, m\u016f\u017ee to v\u00fdrazn\u011b zm\u011bnit fungov\u00e1n\u00ed mobiln\u00edch aplikac\u00ed a jejich provozu, a pokud neusp\u011bje, m\u016f\u017ee se my\u0161lenky ujmout n\u011bkdo zodpov\u011bdn\u011bj\u0161\u00ed a schopn\u011bj\u0161\u00ed.<\/p>\n<p><\/p>\n<h4>Na z\u00e1klad\u011b reklamy<\/h4>\n<p>\nEpick\u00e9 servery \u2014 to jsou spolehliv\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/vdsina.ru\/cloud-servers?partner=habr30\">VDS zalo\u017een\u00e9 na KVM<\/a><\/noindex> s nejnov\u011bj\u0161\u00edmi procesory AMD EPYC. Stejn\u011b jako u ostatn\u00edch typ\u016f server\u016f je k dispozici obrovsk\u00fd v\u00fdb\u011br opera\u010dn\u00edch syst\u00e9m\u016f pro automatickou instalaci, je mo\u017en\u00e9 nainstalovat jak\u00fdkoli opera\u010dn\u00ed syst\u00e9m z vlastn\u00edho <noindex><a rel=\"nofollow\" href=\"https:\/\/vdsina.ru\/qa\/q\/kak-ispolzovat-svoy-obraz-iso-v-vds?partner=habr30\">ISO<\/a><\/noindex>, pohodln\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vdsina\/blog\/460107\/\">ovl\u00e1dac\u00ed panel<\/a><\/noindex> vlastn\u00edho v\u00fdvoje a platba na denn\u00ed b\u00e1zi.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/vdsina.ru\/cloud-servers?partner=habr30\"><img decoding=\"async\" alt=\"NewNode \u2014 decentralizovan\u00e9 CDN od v\u00fdvoj\u00e1\u0159e FireChat\" src=\"\/wp-content\/uploads\/2020\/07\/22f1e29c9f4f050f504faa497d45beb4.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/vdsina\/blog\/509382\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430 \u0434\u043d\u044f\u0445 \u044f \u043d\u0430\u0442\u043a\u043d\u0443\u043b\u0441\u044f \u043d\u0430 \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u043d\u0438\u0435 \u043d\u0435\u043a\u043e\u0435\u0433\u043e NewNode: NewNode \u2014 SDK \u0434\u043b\u044f \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u0435\u043b\u0430\u0435\u0442 \u043b\u044e\u0431\u043e\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0435\u0443\u0431\u0438\u0432\u0430\u0435\u043c\u044b\u043c \u0434\u043b\u044f \u043b\u044e\u0431\u043e\u0439 \u0446\u0435\u043d\u0437\u0443\u0440\u044b \u0438 DDoS, \u0438 \u0434\u0440\u0430\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0441\u043d\u0438\u0436\u0430\u0435\u0442 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435. P2P \u0441\u0435\u0442\u044c. \u041c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0432 \u0442\u0435\u043e\u0440\u0438\u0438 \u0431\u0435\u0437 \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430. \u0412\u044b\u0433\u043b\u044f\u0434\u0435\u043b\u043e \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u0441\u0443\u043c\u0431\u0443\u0440\u043d\u043e, \u043d\u043e \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e, \u0438 \u044f \u043f\u043e\u043b\u0435\u0437 \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0442\u044c\u0441\u044f. \u0412 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 \u043d\u0435 \u043d\u0430\u0448\u043b\u043e\u0441\u044c \u043c\u0435\u0441\u0442\u0430 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044e \u043f\u0440\u043e\u0435\u043a\u0442\u0430, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":87244,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-87243","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0430 \u0434\u043d\u044f\u0445 \u044f \u043d\u0430\u0442\u043a\u043d\u0443\u043b\u0441\u044f \u043d\u0430 \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u043d\u0438\u0435.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/newnode-deczentralizovannaya-cdn-ot-razrabotchika-firechat\" 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