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| InterPlanetary File System ： ウィキペディア英語版 |
InterPlanetary File System
InterPlanetary File System (IPFS), is a content-addressable, peer-to-peer hypermedia distribution protocol. Nodes in the IPFS network form a distributed file system.
IPFS is an open source project developed by Interplanetary Networks with help from the open source community.〔(【引用サイトリンク】url=https://ipfs.io/ )〕 It was initially designed by Juan Benet. 〔(【引用サイトリンク】url=https://github.com/ipfs/ipfs/blob/master/README.md#who-designed-it )〕
==Description==
IPFS is a peer-to-peer distributed file system that seeks to connect all computing devices with the same system of files. In some ways, IPFS is similar to the Web, but IPFS could be seen as a single BitTorrent swarm, exchanging objects within one Git repository. In other words, IPFS provides a high throughput content-addressed block storage model, with content-addressed hyperlinks. This forms a generalized Merkle DAG. IPFS combines a distributed hashtable, an incentivized block exchange, and a self-certifying namespace. IPFS has no single point of failure, and nodes do not need to trust each other.〔(【引用サイトリンク】url=https://ipfs.io/#how-it-works )〕
The filesystem can be accessed in a variety of ways, including via FUSE and over HTTP. A local file can be added to the IPFS filesystem, making it available to the world. Files are identified by their hashes, so it's caching-friendly. They are distributed using a Bittorrent-based protocol. Other users viewing the content aid in serving the content to others on the network. IPFS has a name service called IPNS, a global namespace based on PKI, serves to build trust chains, is compatible with other NSes and can map DNS, .onion, .bit, etc. to IPNS.〔(【引用サイトリンク】url=https://github.com/ipfs/ipfs/blob/master/README.md )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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