{"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\/et\/blog\/news\/vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-6","title":{"rendered":"Globaalne jaotatud failis\u00fcsteemi IPFS 0.6 v\u00e4ljaanne","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Avaldatud<\/a><\/noindex> decentraliseeritud failis\u00fcsteemi v\u00e4ljalaskmine IPFS 0.6<\/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

Uus versioon paistab silma vaikimisi protokolli baasil transpordi lisamisega QUIC<\/a><\/noindex>, mis on UDP protokolli pealispind, toetades mitme\u00fchenduse multipreksingut ja pakkudes kr\u00fcpteerimismeetodeid, mis on v\u00f5rreldavad TLS\/SSL-iga. IPFS-i UDP-\u00fchenduste vastuv\u00f5tmiseks m\u00f5eldud sokkel k\u00e4ivitatakse automaatselt samal aadressil ja v\u00f5rguporti, nagu ka TCP-p\u00f5hine transport. QUIC-i kasutatakse nii sisenevate kui ka v\u00e4ljuvate \u00fchenduste jaoks, ja uute s\u00f5lmedega \u00fchenduse loomisel l\u00fclitub see, kui QUIC ei ole saadaval, tagasi TCP kasutamisele.<\/p>\n

Teiseks oluliseks uuenduseks on turvalise transportimise toetamist. NOISE<\/a><\/noindex>, p\u00f5hineb<\/a><\/noindex> protokollil Noise<\/a><\/noindex> ja seda arendatakse libp2p<\/a><\/noindex>, modulaarses v\u00f5rgu stackis P2P rakendustele. P\u00e4rast algset \u00fchenduse lepingut kr\u00fcpteeritakse ja kaitstakse kogu j\u00e4rgneva andmevahetuse osalejate vahel pealtkuulamise eest.
\nNOISE asendas transpordi SECIO<\/a><\/noindex>, kuid prioriteetse meetodina s\u00f5lmede vahelise \u00fchenduse kr\u00fcptimiseks kasutatakse endiselt TLS 1.3. NOISE on piisavalt lihtne, et seda implementida, ja seda positsioneeritakse universaalseks risti-platvormiliseks transpordiks, mida saab rakendada erinevates programmeerimiskeeltes.<\/p>\n

Uues v\u00e4ljalaskes on samuti lisatud v\u00f5imalus lisada oma lehti \u201e404 Not Found\u201d ja lisatud valikuline tugi Base36 kodeerimismeetodile, mis on optimaalne t\u00e4hestikuliste ja numbriliste andmete jaoks ilma t\u00e4hem\u00e4rkide suuruse erinevusteta, n\u00e4iteks domeeninimed (Base32 kasutamisel \u00fcletavad Ed25519 IPNS v\u00f5tmed kahte baiti alamdomeeni suuruse piiri, kuid Base36 mahub piiridesse). Lisaks on seadetesse lisatud valik
\n\u00abpeering<\/a><\/noindex>\u201e, mis m\u00e4\u00e4ratleb s\u00f5lmede loetelu, millega \u00fchendust luua, s\u00e4ilitada \u00fchendust ja uuesti \u00fchenduda, et m\u00e4\u00e4rata kindlaks \u201ekleepuvad\u201d sidemed sageli kasutatavate peeridega.<\/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":"

\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. 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