{"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\/da\/blog\/news\/vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-6","title":{"rendered":"Udgivelse af den globale decentrale filsystem IPFS 0.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ipfs\/go-ipfs\/releases\/tag\/v0.6.0\">Publiceret<\/a><\/noindex> udgivelse af et decentraliseret filsystem <noindex><a rel=\"nofollow\" href=\"https:\/\/ipfs.io\/\">IPFS 0.6<\/a><\/noindex> (InterPlanetary File System), der danner et globalt versionsstyret filopbevaringssystem, udformet som et P2P-netv\u00e6rk best\u00e5ende af deltageres systemer. IPFS kombinerer ideer, der tidligere er blevet realiseret i systemer som Git, BitTorrent, Kademlia, SFS og Web, og minder om en enkelt 's\u00e6d' BitTorrent (peer-to-peer der deltager i deling), der udveksler Git-objekter. IPFS adskiller sig ved indholds-adressering fremfor placeringsadressering og vilk\u00e5rlige navne. Koden til referenceimplementeringen er skrevet i Go og <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ipfs\/go-ipfs\">distribueres<\/a><\/noindex> under licenserne Apache 2.0 og MIT.<\/p>\n<p>Den nye version er bem\u00e6rkelsesv\u00e6rdig ved standardinddragelsen af en transport baseret p\u00e5 protokollen <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53137\">QUIC<\/a><\/noindex>, som er et lag oven p\u00e5 UDP-protokollen, der underst\u00f8tter multiplexing af flere forbindelser og tilbyder krypteringsmetoder svarende til TLS\/SSL. I IPFS starter soklen til modtagelse af UDP-forbindelser automatisk p\u00e5 samme adresse og netv\u00e6rksport som TCP-transportbehandleren. QUIC anvendes b\u00e5de til indg\u00e5ende og udg\u00e5ende forbindelser, og i tilf\u00e6lde af, at QUIC ikke er tilg\u00e6ngelig, falder det tilbage til brug af TCP, n\u00e5r der oprettes forbindelse til nye noder.<\/p>\n<p>Den anden vigtige nyhed er underst\u00f8ttelsen af sikker transport <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/libp2p\/go-libp2p-noise\">NOISE<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/libp2p\/specs\/tree\/master\/noise\">baseret p\u00e5<\/a><\/noindex> protokollen <noindex><a rel=\"nofollow\" href=\"https:\/\/noiseprotocol.org\/\">Noise<\/a><\/noindex> og udvikles inden for <noindex><a rel=\"nofollow\" href=\"https:\/\/libp2p.io\/\">libp2p<\/a><\/noindex>, et modul\u00e6rt netv\u00e6rksstak til P2P-applikationer. Efter den indledende aftale om forbindelsen krypteres al efterf\u00f8lgende dataudveksling mellem deltagerne og beskyttes mod aflytning.<br \/>\nNOISE erstattede transportmetoden <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/libp2p\/go-libp2p-secio\">SECIO<\/a><\/noindex>, men som den foretrukne metode til kryptering af forbindelser mellem noder, anvendes TLS 1.3 stadig. NOISE er relativt enkelt at implementere og positioneres som en universel cross-platform transport, der kan implementeres p\u00e5 forskellige programmeringssprog.<\/p>\n<p>I den nye version er der ogs\u00e5 tilf\u00f8jet muligheden for at inkludere egne '404 Not Found' sider, og der er tilf\u00f8jet valgfri underst\u00f8ttelse af Base36 kodningsmetoden, som er optimal til alfanumeriske data uden forskel i tegns registrering, s\u00e5som dom\u00e6nenavne (ved brug af Base32 overskrider Ed25519 IPNS n\u00f8gler med to bytes gr\u00e6nsen for underdom\u00e6nest\u00f8rrelsen, mens Base36 holder sig inden for gr\u00e6nsen). Derudover er der tilf\u00f8jet en mulighed i indstillingerne<br \/>\n\u00ab<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/ipfs\/go-ipfs\/blob\/v0.6.0\/docs\/config.md#peering\">peering<\/a><\/noindex>som definerer listen over noder til forbindelser, vedligeholdelse af forbindelser og genforbindelse for at bestemme 'klistrede' forbindelser mellem ofte anvendte peers.<\/p>\n<p>Lad os minde om, at i IPFS er linket til at f\u00e5 adgang til en fil direkte relateret til dens indhold og inkluderer en kryptografisk hash af indholdet. Filens adresse kan ikke omd\u00f8bes vilk\u00e5rligt; den kan kun \u00e6ndres efter en \u00e6ndring af indholdet. Ligeledes kan filen ikke \u00e6ndres uden at \u00e6ndre adressen (den gamle version forbliver p\u00e5 den gamle adresse, mens den nye vil v\u00e6re tilg\u00e6ngelig via en anden adresse, da hash'en af filens indhold vil \u00e6ndre sig). Da filens identifikator \u00e6ndrer sig ved hver \u00e6ndring, tilbydes tjenester til at binde permanente adresser, som tager h\u00f8je for forskellige versioner af filen (<noindex><a rel=\"nofollow\" href=\"https:\/\/docs.ipfs.io\/guides\/concepts\/ipns\/\">IPNS<\/a><\/noindex>), eller til at fasts\u00e6tte et alias analogt med traditionelle FS og DNS (<noindex><a rel=\"nofollow\" href=\"https:\/\/docs.ipfs.io\/guides\/concepts\/mfs\/\">MFS<\/a><\/noindex> (Mutable File System) og <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.ipfs.io\/guides\/concepts\/dnslink\/\">DNSLink<\/a><\/noindex>). <\/p>\n<p>P\u00e5 lignende m\u00e5de som BitTorrent gemmes dataene direkte p\u00e5 deltagernes systemer, som udveksler informationer i P2P-tilstand, uden binding til centraliserede noder. N\u00e5r det er n\u00f8dvendigt at f\u00e5 en fil med bestemt indhold, finder systemet deltagere, der har denne fil og leverer den fra deres systemer i dele i flere str\u00f8mme. Efter at have downloadet filen til sit system bliver deltagere automatisk en af punkterne for distribution af den. For at bestemme deltagerne i netv\u00e6rket, hvor der er tilg\u00e6ngeligt indhold, <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.ipfs.io\/introduction\/how-ipfs-works\/\">kun 14,3% af webstederne i hele verden.<\/a><\/noindex> distribueret hashtabel (<noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A0%D0%B0%D1%81%D0%BF%D1%80%D0%B5%D0%B4%D0%B5%D0%BB%D1%91%D0%BD%D0%BD%D0%B0%D1%8F_%D1%85%D0%B5%D1%88-%D1%82%D0%B0%D0%B1%D0%BB%D0%B8%D1%86%D0%B0\">DHT<\/a><\/noindex>). For at f\u00e5 adgang til den globale FS kan IPFS bruge HTTP-protokollen eller monteres som et virtuelt FS \/ipfs ved hj\u00e6lp af FUSE-modulet. <\/p>\n<p>IPFS hj\u00e6lper med at l\u00f8se opgaver som p\u00e5lidelig lagring (hvis den oprindelige lagring svigter, kan filen hentes fra andre brugeres systemer), modstand mod censur af indhold (for at blokere kr\u00e6ves det at blokere alle systemer, hvor der er en kopi af dataene), og organisering af adgang uden direkte internetforbindelse eller ved d\u00e5rlig kvalitet af forbindelsen (data kan hentes via de n\u00e6rmeste deltagere i det lokale netv\u00e6rk). Udover lagring af filer og dataudveksling kan IPFS bruges som grundlag for at skabe nye tjenester, eksempelvis til oprettelse af hjemmesider, der ikke er bundet til servere, eller til at skabe distribuerede <noindex><a rel=\"nofollow\" href=\"https:\/\/awesome.ipfs.io\/\">applikationer<\/a><\/noindex>.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/camo.githubusercontent.com\/3759ceff46d10f763d6b288a574fe8edd6fd2d59\/68747470733a2f2f646f63732e676f6f676c652e636f6d2f64726177696e67732f642f652f32504143582d3176535f6e3146765375366d646d5369726b427249494569623267716867746174443961776150325f576472474e347a544e65673632305851643950393557542d49766f676e5378494964434d3575452f7075623f773d3134343626683d31303336\"><img decoding=\"async\" alt=\"Udgivelse af den globale decentrale filsystem IPFS 0.6\" src=\"\/wp-content\/uploads\/2020\/06\/15cb254308e0318b2f668b70171831c3.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53212\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 &#171;\u0440\u043e\u0439&#187; 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 [&hellip;]<\/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<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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