ABSTRACTThe InterPlanetary File System (IPFS) is a peer-to-peer distributed le 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 hyper links. This forms a generalized MerkleDAG, a data structure upon which one can build versioned file systems, blockchains, and even a Permanent Web. 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.
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While Content-Addressable storage may address retrieval aspects, it doesn't address backward-compatible extension and data interpretation in a very dynamic database schema, let alone importing and accessing previous unstructured data sources from 20 years ago.
IPFS is being built on top of IPV4/IPV6. Consequentially, it should be backward-compatible with the "old" HTTP protocol.