{"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\/ro\/blog\/news\/vypusk-globalnoj-deczentralizovannoj-fajlovoj-sistemy-ipfs-0-6","title":{"rendered":"Lansarea sistemului de fi\u0219iere IPFS 0.6 descentralizat la nivel global","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Publicat<\/a><\/noindex> lansarea sistemului de fi\u0219iere descentralizat IPFS 0.6<\/a><\/noindex> (InterPlanetary File System), form\u00e2nd un depozit global de fi\u0219iere versiunate, desf\u0103\u0219urat sub form\u0103 de re\u021bea P2P, constituit\u0103 din sistemele participan\u021bilor. IPFS combin\u0103 idei realizate anterior \u00een astfel de sisteme ca Git, BitTorrent, Kademlia, SFS \u0219i Web, \u0219i aminte\u0219te de un «raib\u0103» BitTorrent (seeds care particip\u0103 la distribu\u021bie), schimb\u00e2nd obiecte Git. IPFS se distinge prin adresarea pe baza con\u021binutului, nu a loca\u021biei, \u0219i a numelui arbitrar. Codul de referin\u021b\u0103 este scris \u00een limbajul Go \u0219i se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> licen\u021biat sub Apache 2.0 \u0219i MIT.<\/p>\n

Noua versiune se remarc\u0103 prin includerea transportului bazat pe protocol QUIC<\/a><\/noindex>, care reprezint\u0103 un strat deasupra protocolului UDP, suport\u00e2nd multiplexarea mai multor conexiuni \u0219i oferind metode de criptare echivalente cu TLS\/SSL. \u00cen IPFS, socketul pentru primirea conexiunilor UDP este automat lansat pe aceea\u0219i adres\u0103 \u0219i port de re\u021bea ca \u0219i handlerul transportului bazat pe TCP. QUIC este utilizat at\u00e2t pentru conexiuni \u00een intrare, c\u00e2t \u0219i pentru cele \u00een ie\u0219ire, iar \u00een cazul conect\u0103rii la noduri noi, \u00een cazul indisponibilit\u0103\u021bii QUIC, se revine la utilizarea TCP.<\/p>\n

A doua noutate important\u0103 este suportul pentru transportul securizat NOISE<\/a><\/noindex>, bazat pe<\/a><\/noindex> protocolul Noise<\/a><\/noindex> \u0219i dezvoltat \u00een cadrul libp2p<\/a><\/noindex>, un stack de re\u021bea modular pentru aplica\u021bii P2P. Dup\u0103 ini\u021bierea conexiunii, toate schimburile de date ulterioare \u00eentre participan\u021bi sunt criptate \u0219i protejate \u00eempotriva intercept\u0103rilor.
\nNOISE a \u00eenlocuit transportul SECIO<\/a><\/noindex>, dar ca metod\u0103 prioritar\u0103 de criptare a conexiunilor \u00eentre noduri este \u00eenc\u0103 folosit TLS 1.3. NOISE este destul de simplu de implementat \u0219i este pozi\u021bionat ca un transport universal multiplatform\u0103, care poate fi implementat \u00een diverse limbaje de programare.<\/p>\n

Noul release ofer\u0103, de asemenea, posibilitatea de a ad\u0103uga pagini proprii «404 Not Found» \u0219i a ad\u0103ugat suport op\u021bional pentru metoda de codare Base36, care este optim\u0103 pentru date alfanumerice f\u0103r\u0103 distinc\u021bii de caz, cum ar fi numele de domenii (folosind Base32, cheile Ed25519 IPNS dep\u0103\u0219esc cu dou\u0103 byte limita de dimensiune a subdomeniului, iar cu Base36 se \u00eencadreaz\u0103 \u00een limit\u0103). \u00cen plus, \u00een set\u0103ri a fost ad\u0103ugat\u0103 o op\u021biune
\n\u00abpeering<\/a><\/noindex>«, care define\u0219te lista nodurilor pentru conectare, men\u021binerea conexiunii \u0219i reconectarea \u00een scopul stabilirii de leg\u0103turi «lipicioase» \u00eentre semin\u021bele folosite frecvent.<\/p>\n

Reamintim c\u0103 \u00een IPFS, linkul pentru accesarea unui fi\u0219ier este direct legat de con\u021binutul s\u0103u \u0219i include un hash criptografic al con\u021binutului. Adresa fi\u0219ierului nu poate fi redenumit\u0103 aleatoriu, poate fi modificat\u0103 doar dup\u0103 ce con\u021binutul s-a schimbat. \u00cen mod similar, nu se poate efectua o modificare a fi\u0219ierului f\u0103r\u0103 a schimba adresa (versiunea veche va r\u0103m\u00e2ne la aceea\u0219i adres\u0103, iar noua va fi accesibil\u0103 printr-o alt\u0103 adres\u0103, deoarece hash-ul con\u021binutului fi\u0219ierului se va schimba). Av\u00e2nd \u00een vedere c\u0103 identificatorul fi\u0219ierului se schimb\u0103 cu fiecare modificare, pentru a nu transmite \u00een mod constant linkuri noi, sunt furnizate servicii pentru a lega adresele permanente, care \u021bin cont de diferitele versiuni ale fi\u0219ierului (IPNS<\/a><\/noindex>), sau pentru a fixa un alias similar cu FS-urile tradi\u021bionale \u0219i DNS (MFS<\/a><\/noindex> (Sistem de Fi\u0219iere Mutable) \u0219i DNSLink<\/a><\/noindex>). <\/p>\n

Pe modelul BitTorrent, datele sunt stocate direct pe sistemele participan\u021bilor, care schimb\u0103 informa\u021bii \u00een mod P2P, f\u0103r\u0103 a fi legate de noduri centralizate. C\u00e2nd este necesar s\u0103 se ob\u021bin\u0103 un fi\u0219ier cu un anumit con\u021binut, sistemul g\u0103se\u0219te participan\u021bii care au acel fi\u0219ier \u0219i \u00eel ofer\u0103 din sistemele lor \u00een buc\u0103\u021bi, pe mai multe fluxuri. Dup\u0103 ce un participant a desc\u0103rcat fi\u0219ierul pe sistemul s\u0103u, devine automat unul dintre nodurile de distribu\u021bie a acestuia. Pentru a determina participan\u021bii din re\u021bea pe nodurile c\u0103rora exist\u0103 con\u021binutul de interes se folose\u0219te<\/a><\/noindex> se folose\u0219te o tabel\u0103 de hash distribuit\u0103 (DHT<\/a><\/noindex>). Pentru accesul la FS-ul global, IPFS poate folosi protocolul HTTP sau poate fi montat o FS virtual\u0103 \/ipfs prin intermediul modulului FUSE. <\/p>\n

IPFS ajut\u0103 la rezolvarea unor probleme, cum ar fi fiabilitatea stoc\u0103rii (dac\u0103 sursa ini\u021bial\u0103 de stocare este defect\u0103, fi\u0219ierul poate fi desc\u0103rcat din sistemele altor utilizatori), rezisten\u021ba la cenzurarea con\u021binutului (pentru a bloca ar necesita blocarea tuturor sistemelor utilizatorilor care de\u021bin o copie a datelor) \u0219i organizarea accesului \u00een absen\u021ba unei conexiuni directe la internet sau \u00een condi\u021bii de calitate slab\u0103 a canalului de comunica\u021bie (datele pot fi desc\u0103rcate prin intermediul celor mai apropia\u021bi participan\u021bi din re\u021beaua local\u0103). Pe l\u00e2ng\u0103 stocarea fi\u0219ierelor \u0219i schimbul de date, IPFS poate fi folosit ca baz\u0103 pentru crearea de noi servicii, de exemplu, pentru organizarea func\u021bion\u0103rii site-urilor nelegate de servere sau pentru crearea de aplica\u021bii distribuite. aplica\u021bii<\/a><\/noindex>.<\/p>\n

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

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

Sursa: opennet.ro<\/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\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\udd47Release-ul sistemului de fi\u0219iere descentralizat global IPFS 0.6 | ProHoster","description":"A fost publicat un release al sistemului de fi\u0219iere descentralizat 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