{"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\/et\/blog\/news\/vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-7","title":{"rendered":"Globaalne detsentraliseeritud failis\u00fcsteemi IPFS 0.7 v\u00e4ljalaskmine","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Esitletud<\/a><\/noindex> decentraliseeritud failis\u00fcsteemi v\u00e4ljalaskmine IPFS 0.7<\/a><\/noindex> (InterPlanetary File System), globaalselt versioonitud failide hoidla, mis on v\u00e4lja t\u00f6\u00f6tatud P2P-v\u00f5rguna, koosnedes osalejate s\u00fcsteemidest. IPFS \u00fchendab ideid, mis on varem rakendatud sellistes s\u00fcsteemides nagu Git, BitTorrent, Kademlia, SFS ja Web, ja meenutab \u00fchte \u201ekala\u201d BitTorrentis (peerid, kes osalevad jagamises), vahetades Git-objekte. IPFS eristub sisu p\u00f5hjal adresseerimise poolest, mitte asukoha j\u00e4rgi ja juhuslike nimede kasutamisest. T\u00e4ieliku rakenduse kood on kirjutatud Go keeles ja GNU \u00dcldine Avaliku litsentsi alusel.<\/a><\/noindex> allpool litsentside Apache 2.0 ja MIT.<\/p>\n

Uues versioonis on vaikimisi transport v\u00e4lja l\u00fclitatud SECIO<\/a><\/noindex>, millele eelmisel v\u00e4ljaandel pakuti transpordi NOISE<\/a><\/noindex>, p\u00f5hineva<\/a><\/noindex> protokollil Noise<\/a><\/noindex> ja arendatava moodulv\u00f5rgustiku jaoks P2P-rakendustele libp2p<\/a><\/noindex>. Varu transpordina on j\u00e4\u00e4nud TLSv1.3. S\u00fcsteemiadministraatoritele, kes kasutavad vanu IPFS versioone (Go IPFS < 0.5 v\u00f5i JS IPFS < 0.47), soovitatakse tarkvara uuendada, et v\u00e4ltida j\u00f5udluse langust.<\/p>\n

Uues versioonis on vaikimisi \u00fclemineku tegemine ed25519 v\u00f5tmete kasutamisele RSA asemel. Vanad RSA-v\u00f5tmed j\u00e4\u00e4vad toetatuks, kuid uusi v\u00f5tmeid genereeritakse n\u00fc\u00fcd ed25519 algoritmi abil. Sisseehitatud avatud v\u00f5tmete ed25519 kasutamine lahendab avatud v\u00f5tmete salvestamise probleemi; n\u00e4iteks allkirjastatud andmete verifitseerimiseks piisab ed25519 kasutamisel teabest PeerId kohta. IPNS-teede v\u00f5tmenimed kodeeritakse n\u00fc\u00fcd base36 CIDv1 algoritmiga, mitte base58btc-ga.<\/p>\n

IPFS 0.7 t\u00f5i lisaks vaikev\u00f5tmete t\u00fc\u00fcbi muutmisele ka v\u00f5imaluse identiteediklahvide rotatsiooniks. Node'i v\u00f5tme muutmiseks saab n\u00fc\u00fcd kasutada k\u00e4sku «ipfs key rotate». Lisaks on lisatud uued k\u00e4sud v\u00f5tmete importimiseks ja eksportimiseks («ipfs key import» ja «ipfs key export»), mida saab kasutada varundamiseks ning k\u00e4sk «ipfs dag stat» DAG (jaotatud ts\u00fckliteta graafid) statistika v\u00e4ljastamiseks.<\/p>\n

Tuletame meelde, et IPFS-is on faili juurdep\u00e4\u00e4sulink otseselt seotud selle sisuga ja sisaldab sisu kr\u00fcptograafilist r\u00e4sihd. Faili aadressi ei saa meelevaldselt \u00fcmber nimetada, see v\u00f5ib muutuda ainult sisu muutmisel. Samamoodi ei saa faili muuta ilma, et aadress muutuks (vana versioon j\u00e4\u00e4b endisele aadressile ja uus on saadaval teise aadressi kaudu, kuna faili sisu r\u00e4sihd muutub). Arvestades, et faili identifikaator muutub iga kord, kui toimub muudatus, on kergem pakkuda teenuseid p\u00fcsivate aadresside sidumiseks, mis arvestavad erinevaid faili versioone (IPNS<\/a><\/noindex>), v\u00f5i kinnitada pseudon\u00fc\u00fcdide kasutamine sarnasel viisil nagu traditsioonilised FS ja DNS (MFS<\/a><\/noindex> (Mutable File System) ja DNSLink<\/a><\/noindex>). <\/p>\n

Sarnaselt BitTorrentile salvestatakse andmed otse osalejate s\u00fcsteemides, kes vahetavad teavet P2P re\u017eiimis, ilma tsentraliseeritud s\u00f5lmede seotuse vajaduseta. Kui on vaja teatud sisu faili hankida, leiab s\u00fcsteem osalejad, kellel see fail olemas, ning edastab selle nende s\u00fcsteemidest osade kaupa mitmesugustes voogudes. P\u00e4rast faili oma s\u00fcsteemi allalaadimist muutub osaleja automaatselt \u00fcheks selle jagamise punktiks. Osalejate m\u00e4\u00e4ramiseks, kelle s\u00f5lmedes on huvipakkuv sisu, kasutatakse kasutatakse<\/a><\/noindex> jaotatud r\u00e4si tabelit (DHT<\/a><\/noindex>). Globaalsetele FAIL- s\u00fcsteemidele IPFS p\u00e4\u00e4seb juurde HTTP protokolli kaudu v\u00f5i saab \u00fchendada virtuaalse FAIL-i s\u00fcsteemi \/ipfs FUSE mooduli abil. <\/p>\n

IPFS aitab lahendada selliseid probleeme nagu andmete usaldusv\u00e4\u00e4rne salvestamine (kui algne salvestuskoht on rikutud, saab faili laadida teiste kasutajate s\u00fcsteemidest), sisu tsensuuri vastane v\u00f5itlus (sisukeskkonna blokeerimine n\u00f5uab k\u00f5igi nende s\u00fcsteemide blokeerimist, mis sisaldavad andmeid) ning juurdep\u00e4\u00e4su korraldamine otse\u00fchenduse puudumisel internetti v\u00f5i halva kanalikvaliteedi korral (andmeid saab laadida kohalike v\u00f5rgustiku osalejate kaudu). Lisaks failide salvestamisele ja andmete vahetamisele v\u00f5ib IPFS-i kasutada ka uute teenuste loomiseks, n\u00e4iteks serveritest s\u00f5ltumatute veebisaitide toimimise korraldamiseks v\u00f5i hajutatud rakenduste loomiseks. rakendused<\/a><\/noindex>.<\/p>\n

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

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

Allikas: 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. 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