{"id":95153,"date":"2020-09-26T01:42:22","date_gmt":"2020-09-25T23:42:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-7"},"modified":"2020-09-26T01:42:22","modified_gmt":"2020-09-25T23:42:22","slug":"vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-7","title":{"rendered":"Izdaja globalnega decentraliziranega datote\u010dnega sistema IPFS 0.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d<\/a><\/noindex> izdaja decentraliziranega datote\u010dnega sistema IPFS 0.7<\/a><\/noindex> (InterPlanetary File System), ki tvori globalno razli\u010dico shranjevanja datotek, raz\u0161irjeno v obliki P2P omre\u017eja, sestavljenega iz sistemov udele\u017eencev. IPFS zdru\u017euje ideje, ki so jih prej uresni\u010dili v sistemih, kot so Git, BitTorrent, Kademlia, SFS in Web, in spominja na enoten \u201eroj\u201c BitTorrent (peerji, ki sodelujejo pri razdelitvi), ki izmenjuje Git-objekte. IPFS se razlikuje po naslovljenju po vsebini, ne po lokaciji in poljubnih imenih. Koda referen\u010dne izvedbe je napisana v jeziku Go in se distribuira<\/a><\/noindex> pod licencama Apache 2.0 in MIT.<\/p>\n

V novi razli\u010dici je privzeto onemogo\u010den transport SECIO<\/a><\/noindex>, ki ga je v prej\u0161nji izdaji nadomestil transport NOISE<\/a><\/noindex>, ki temelji<\/a><\/noindex> na protokolu Noise<\/a><\/noindex> in se razvija v okviru modularnega omre\u017enega sklada za P2P aplikacije. libp2p<\/a><\/noindex>. Kot rezervni transport je ostal TLSv1.3. Skrbnikom vozli\u0161\u010d, ki uporabljajo stare razli\u010dice IPFS (Go IPFS < 0.5 ali JS IPFS < 0.47), se priporo\u010da, da posodobijo programsko opremo, da se izognejo zmanj\u0161anju zmogljivosti.<\/p>\n

V novi razli\u010dici je prav tako izveden prehod na privzeto uporabo klju\u010dev ed25519 namesto RSA. Podpora za stare RSA-klju\u010de je ohranjena, vendar bodo novi klju\u010di zdaj generirani z uporabo algoritma ed25519. Uporaba vgrajenih javnih klju\u010dev ed25519 re\u0161uje te\u017eavo s shranjevanjem javnih klju\u010dev, na primer, za verifikacijo podpisanih podatkov z uporabo ed25519 je dovolj informacij o PeerId. Imena klju\u010dev v IPNS-poteh so zdaj kodirana z uporabo algoritma base36 CIDv1 namesto base58btc.<\/p>\n

Poleg spremembe privzetega tipa klju\u010dev je v IPFS 0.7 dodana mo\u017enost rotacije identifikacijskih klju\u010dev. Za menjavo klju\u010da vozli\u0161\u010da je zdaj mogo\u010de izvesti ukaz \u201eipfs key rotate\u201c. Prav tako so dodani novi ukazi za uvoz in izvoz klju\u010dev (\u201eipfs key import\u201c in \u201eipfs key export\u201c), ki se lahko uporabijo za varnostno kopiranje, ter ukaz \u201eipfs dag stat\u201c za prikaz statistike o DAG (Distribuiranih aciklih grafih).<\/p>\n

Spomnimo, da je v IPFS povezava za dostop do datoteke neposredno povezana z njenim vsebinom in vklju\u010duje kriptografski hash vsebine. Naslov datoteke ni mogo\u010de poljubno preimenovati, spremeni se lahko le po spremembi vsebine. Prav tako ni mogo\u010de spremeniti datoteke, ne da bi se spremenil naslov (stara razli\u010dica bo ostala na prej\u0161njem naslovu, nova pa bo dostopna preko drugega naslova, saj se bo hash vsebine datoteke spremenil). Glede na to, da se identifikator datoteke spreminja pri vsaki spremembi, so na voljo storitve, ki omogo\u010dajo povezovanje trajnih naslovov, ki upo\u0161tevajo razli\u010dne razli\u010dice datoteke.IPNS<\/a><\/noindex>), ali zaklepanje psevdonima po analogiji s tradicionalnimi FS in DNS (MFS<\/a><\/noindex> (Mutable File System) in DNSLink<\/a><\/noindex>). <\/p>\n

Po analogiji z BitTorrentom se podatki neposredno shranjujejo na sistemih udele\u017eencev, ki izmenjujejo informacije v na\u010dinu P2P, brez vezave na centralizirane vozli\u0161ke. Ko je treba pridobiti datoteko z dolo\u010deno vsebino, sistem najde udele\u017eence, ki imajo to datoteko, in jo predaja iz njihovih sistemov v ve\u010d tokov. Po nalaganju datoteke na svoj sistem, udele\u017eenec samodejno postane ena od to\u010dk za njen razdeljevanje. Za dolo\u010ditev udele\u017eencev omre\u017eja, na vozli\u0161\u010dih katerih je prisotna zanimiva vsebina koristi se<\/a><\/noindex> distribuirana hash tabela (DHT<\/a><\/noindex>Za dostop do globalnega IPFS se lahko uporablja protokol HTTP ali se montira virtualni sistem datotek \/ipfs s pomo\u010djo modula FUSE. <\/p>\n

IPFS pomaga re\u0161iti naloge, kot so zanesljivost shranjevanja (\u010de bo izvorno shranjevanje odpovedalo, lahko datoteko nalo\u017eimo iz sistemov drugih uporabnikov), nasprotovanje cenzuri vsebine (za blokiranje bo potrebno blokirati vse sisteme uporabnikov, kjer je kopija podatkov) in organizacija dostopa pri odsotnosti neposredne povezave z internetom ali pri slabi kakovosti komunikacijskega kanala (lahko nalo\u017eimo podatke preko najbli\u017ejih \u010dlanov v lokalnem omre\u017eju). Poleg shranjevanja datotek in izmenjave podatkov se lahko IPFS uporablja tudi kot podlaga za ustvarjanje novih storitev, na primer za organizacijo delovanja spletnih mest, ki niso vezana na stre\u017enike, ali za ustvarjanje decentraliziranih. aplikacij<\/a><\/noindex>.<\/p>\n

\"Izdaja<\/a><\/noindex><\/center><\/p>\n

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

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

\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\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 0.7 (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":95154,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-95153","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\udd47Izid globalnega decentraliziranega datote\u010dnega sistema IPFS 0.7 | ProHoster","description":"Predstavljen je izid decentralizirane datote\u010dne sistema 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