{"id":86238,"date":"2020-06-23T01:42:25","date_gmt":"2020-06-22T23:42:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-6"},"modified":"2020-06-23T01:42:25","modified_gmt":"2020-06-22T23:42:25","slug":"vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-6","title":{"rendered":"Vyd\u00e1n\u00ed glob\u00e1ln\u00ed decentralizovan\u00e9 souborov\u00e9 syst\u00e9mu IPFS 0.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Byl zve\u0159ejn\u011bn<\/a><\/noindex> uvoln\u011bn\u00ed decentralizovan\u00e9ho souborov\u00e9ho syst\u00e9mu IPFS 0.6<\/a><\/noindex> (InterPlanetary File System), kter\u00e1 vytv\u00e1\u0159\u00ed glob\u00e1ln\u00ed verzionovan\u00e9 \u00falo\u017ei\u0161t\u011b soubor\u016f, rozprost\u0159en\u00e9 ve form\u011b P2P s\u00edt\u011b, tvo\u0159en\u00e9 ze syst\u00e9m\u016f \u00fa\u010dastn\u00edk\u016f. IPFS kombinuje my\u0161lenky, kter\u00e9 byly d\u0159\u00edve realizov\u00e1ny v takov\u00fdch syst\u00e9mech jako Git, BitTorrent, Kademlia, SFS a Web, a p\u0159ipom\u00edn\u00e1 jednotn\u00fd \u201eroji\u201c BitTorrent (uzly \u00fa\u010dastn\u00edc\u00ed se sd\u00edlen\u00ed), vym\u011b\u0148uj\u00edc\u00ed si Git objekty. IPFS se li\u0161\u00ed adresac\u00ed podle obsahu, nikoli m\u00edsta ulo\u017een\u00ed a libovoln\u00fdmi n\u00e1zvy. K\u00f3d referen\u010dn\u00ed implementace je naps\u00e1n v jazyce Go a distribuov\u00e1no<\/a><\/noindex> je licencov\u00e1n pod licencemi Apache 2.0 a MIT.<\/p>\n

Nov\u00e1 verze se vyzna\u010duje zahrnut\u00edm v\u00fdchoz\u00edho transportu zalo\u017een\u00e9ho na protokolu QUIC<\/a><\/noindex>, co\u017e je nadstavba nad protokolem UDP, podporuj\u00edc\u00ed multiplexov\u00e1n\u00ed n\u011bkolika p\u0159ipojen\u00ed a poskytuj\u00edc\u00ed \u0161ifrovac\u00ed metody, kter\u00e9 jsou ekvivalentn\u00ed TLS\/SSL. V IPFS je socket pro p\u0159\u00edjem UDP p\u0159ipojen\u00ed automaticky spu\u0161t\u011bn na stejn\u00e9 adrese a s\u00ed\u0165ov\u00e9m portu jako zpracovatel transportu na b\u00e1zi TCP. QUIC se pou\u017e\u00edv\u00e1 jak pro p\u0159\u00edchoz\u00ed, tak pro odchoz\u00ed spojen\u00ed, p\u0159i\u010dem\u017e p\u0159i p\u0159ipojov\u00e1n\u00ed k nov\u00fdm uzl\u016fm, v p\u0159\u00edpad\u011b nedostupnosti QUIC, doch\u00e1z\u00ed k p\u0159epnut\u00ed na pou\u017eit\u00ed TCP.<\/p>\n

Druh\u00fdm v\u00fdznamn\u00fdm novinkou byla podpora zabezpe\u010den\u00e9ho transportu NOISE<\/a><\/noindex>, zalo\u017een\u00e9ho<\/a><\/noindex> na protokolu Noise<\/a><\/noindex> a vyv\u00edjen\u00e9ho v r\u00e1mci libp2p<\/a><\/noindex>, modul\u00e1rn\u00edho s\u00ed\u0165ov\u00e9ho stacku pro P2P aplikace. Po po\u010d\u00e1te\u010dn\u00edm dohodnut\u00ed spojen\u00ed je ve\u0161ker\u00e1 n\u00e1sleduj\u00edc\u00ed v\u00fdm\u011bna dat mezi \u00fa\u010dastn\u00edky \u0161ifrov\u00e1na a chr\u00e1n\u011bna proti odposlechu.
\nNOISE nahradil transport SECIO<\/a><\/noindex>, av\u0161ak jako prioritn\u00ed metoda \u0161ifrov\u00e1n\u00ed spojen\u00ed mezi uzly zat\u00edm st\u00e1le pokra\u010duje pou\u017eit\u00ed TLS 1.3. NOISE je dostate\u010dn\u011b jednoduch\u00fd na implementaci a je prezentov\u00e1n jako univerz\u00e1ln\u00ed multiplatformn\u00ed transport, kter\u00fd m\u016f\u017ee b\u00fdt realizov\u00e1n v r\u016fzn\u00fdch programech.<\/p>\n

V nov\u00e9m vyd\u00e1n\u00ed byla tak\u00e9 p\u0159id\u00e1na mo\u017enost p\u0159id\u00e1vat vlastn\u00ed str\u00e1nky \u201e404 Not Found\u201c a p\u0159id\u00e1na voliteln\u00e1 podpora pro k\u00f3dov\u00e1n\u00ed metoda Base36, kter\u00e1 je optim\u00e1ln\u00ed pro alfanumerick\u00e1 data bez ohledu na velikost p\u00edsmen, jako jsou dom\u00e9nov\u00e1 jm\u00e9na (p\u0159i pou\u017eit\u00ed Base32 kl\u00ed\u010de Ed25519 IPNS o dva bajty p\u0159ekra\u010duj\u00ed limit velikosti poddom\u00e9ny, ale p\u0159i Base36 se vejdou do limitu). Krom\u011b toho byla do nastaven\u00ed p\u0159id\u00e1na mo\u017enost
\n\u201epeering<\/a><\/noindex>\u201e, kter\u00e1 ur\u010duje seznam uzl\u016f pro p\u0159ipojen\u00ed, udr\u017eov\u00e1n\u00ed spojen\u00ed a op\u011btovn\u00e9 p\u0159ipojen\u00ed za \u00fa\u010delem ur\u010den\u00ed \u201elepkav\u00fdch\u201c vazeb mezi \u010dasto pou\u017e\u00edvan\u00fdmi uzly.<\/p>\n

P\u0159ipome\u0148me, \u017ee ve IPFS je odkaz pro p\u0159\u00edstup k souboru p\u0159\u00edmo spojen s jeho obsahem a zahrnuje kryptografick\u00fd hash obsahu. Adresu souboru nelze n\u00e1hodn\u011b p\u0159ejmenovat, m\u016f\u017ee se zm\u011bnit pouze po zm\u011bn\u011b obsahu. Podobn\u011b nelze prov\u00e9st zm\u011bnu v souboru bez zm\u011bny adresy (star\u00fd n\u00e1vrh z\u016fstane na p\u0159edchoz\u00ed adrese, zat\u00edmco nov\u00fd bude dostupn\u00fd pod jinou adresou, proto\u017ee hash obsahu souboru se zm\u011bn\u00ed). Vzhledem k tomu, \u017ee identifik\u00e1tor souboru se m\u011bn\u00ed p\u0159i ka\u017ed\u00e9 zm\u011bn\u011b, aby se poka\u017ed\u00e9 nemusely p\u0159ed\u00e1vat nov\u00e9 odkazy, jsou k dispozici slu\u017eby pro p\u0159i\u0159azen\u00ed trval\u00fdch adres, kter\u00e9 zohled\u0148uj\u00ed r\u016fzn\u00e9 verze souboru (IPNS<\/a><\/noindex>), nebo pro p\u0159i\u0159azen\u00ed aliasu analogicky s tradi\u010dn\u00edmi FS a DNS (MFS<\/a><\/noindex> (Mutable File System) a DNSLink<\/a><\/noindex>). <\/p>\n

Podobn\u011b jako BitTorrent jsou data p\u0159\u00edmo ulo\u017eena na syst\u00e9mech \u00fa\u010dastn\u00edk\u016f, kte\u0159\u00ed si vym\u011b\u0148uj\u00ed informace v re\u017eimu P2P, bez vazby na centralizovan\u00e9 uzly. V p\u0159\u00edpad\u011b pot\u0159eby z\u00edsk\u00e1n\u00ed souboru s konkr\u00e9tn\u00edm obsahem syst\u00e9m najde \u00fa\u010dastn\u00edky, kte\u0159\u00ed maj\u00ed tento soubor a poskytne ho z jejich syst\u00e9m\u016f po \u010d\u00e1stech v n\u011bkolika toc\u00edch. Po sta\u017een\u00ed souboru do sv\u00e9ho syst\u00e9mu se \u00fa\u010dastn\u00edk automaticky st\u00e1v\u00e1 jednou z bod\u016f pro jeho distribuci. Pro ur\u010den\u00ed \u00fa\u010dastn\u00edk\u016f s\u00edt\u011b, na uzlech kter\u00fdch je p\u0159\u00edtomen zaj\u00edmav\u00fd obsah, se pou\u017e\u00edv\u00e1<\/a><\/noindex> distribuovan\u00e1 hash tabulka (DHT<\/a><\/noindex>). Pro p\u0159\u00edstup k glob\u00e1ln\u00ed FS m\u016f\u017ee IPFS vyu\u017e\u00edvat protokol HTTP nebo m\u016f\u017ee b\u00fdt namontov\u00e1na virtu\u00e1ln\u00ed FS \/ipfs pomoc\u00ed modulu FUSE. <\/p>\n

IPFS pom\u00e1h\u00e1 \u0159e\u0161it takov\u00e9 \u00fakoly jako je spolehlivost ukl\u00e1d\u00e1n\u00ed (pokud bude p\u016fvodn\u00ed \u00falo\u017ei\u0161t\u011b mimo provoz, soubor lze st\u00e1hnout ze syst\u00e9m\u016f jin\u00fdch u\u017eivatel\u016f), odolnost v\u016f\u010di cenzu\u0159e obsahu (pro blokaci je nutn\u00e9 zablokovat v\u0161echny syst\u00e9my u\u017eivatel\u016f, na kter\u00fdch je kopie dat) a organizaci p\u0159\u00edstupu p\u0159i absenci p\u0159\u00edm\u00e9ho p\u0159ipojen\u00ed k internetu nebo p\u0159i \u0161patn\u00e9 kvalit\u011b spojen\u00ed (data lze st\u00e1hnout p\u0159es nejbli\u017e\u0161\u00ed \u00fa\u010dastn\u00edky v m\u00edstn\u00ed s\u00edti). Krom\u011b ukl\u00e1d\u00e1n\u00ed soubor\u016f a v\u00fdm\u011bny dat lze IPFS vyu\u017e\u00edt jako z\u00e1klad pro vytv\u00e1\u0159en\u00ed nov\u00fdch slu\u017eeb, nap\u0159\u00edklad pro organizaci provozu webov\u00fdch str\u00e1nek, kter\u00e9 nejsou v\u00e1z\u00e1ny na servery, nebo pro vytv\u00e1\u0159en\u00ed distribuovan\u00fdch. aplikac\u00ed<\/a><\/noindex>.<\/p>\n

\"Vyd\u00e1n\u00ed<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0434\u0435\u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b IPFS 0.6 (InterPlanetary File System), \u043e\u0431\u0440\u0430\u0437\u0443\u044e\u0449\u0435\u0439 \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u043e\u0435 \u0432\u0435\u0440\u0441\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0435 \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435 \u0444\u0430\u0439\u043b\u043e\u0432, \u0440\u0430\u0437\u0432\u0451\u0440\u043d\u0443\u0442\u043e\u0435 \u0432 \u0444\u043e\u0440\u043c\u0435 P2P-\u0441\u0435\u0442\u0438, \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c \u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u043e\u0432. IPFS \u043a\u043e\u043c\u0431\u0438\u043d\u0438\u0440\u0443\u0435\u0442 \u0438\u0434\u0435\u0438, \u0440\u0430\u043d\u0435\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0432 \u0442\u0430\u043a\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u043a\u0430\u043a Git, BitTorrent, Kademlia, SFS \u0438 Web, \u0438 \u043d\u0430\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442 \u0435\u0434\u0438\u043d\u044b\u0439 «\u0440\u043e\u0439» BitTorrent (\u043f\u0438\u0440\u044b, \u0443\u0447\u0430\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0432 \u0440\u0430\u0437\u0434\u0430\u0447\u0435), \u043e\u0431\u043c\u0435\u043d\u0438\u0432\u0430\u044e\u0449\u0438\u0439\u0441\u044f Git-\u043e\u0431\u044a\u0435\u043a\u0442\u0430\u043c\u0438. IPFS \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u0430\u0434\u0440\u0435\u0441\u0430\u0446\u0438\u0435\u0439 \u043f\u043e \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u043c\u0443, \u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":86239,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-86238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Vyd\u00e1n\u00ed glob\u00e1ln\u00ed decentralizovan\u00e9 souborov\u00e9 syst\u00e9mu IPFS 0.6 | ProHoster","description":"Bylo vyd\u00e1no vyd\u00e1n\u00ed decentralizovan\u00e9 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