How DHT decides from which node to retrieve resource?

[jasonzhouu]

File Discovery in IPFS

There are actually two parts to this question. Content Routing When you know the file you’re looking for, how do you actually find and download it? That is, how does IPFS resolve IPFS paths? The answer to that is a mixture of the DHT and Bitswap. You ask the DHT which nodes have the content you’re looking for, establish connections to those nodes, and then ask those nodes for content (over Bitswap). Search When you don’t know what you’re looking for but you want content that matches a set of…