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libp2p.md

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libp2p

  • p2p network composed of four elements

    • Each node identified by public key
      • Hash of small data structure containing RSA, ed25519, ecp256k1, etc
    • Peer Discovery system, joining
      • Discover nodes on local network, DNS, DNS-SD
      • Bootstrap node
    • pubsub to broadcast event
    • DHT to store data

  • p2p connection setup steps

    • open a connection
    • negotiate encryption protocol
    • on top of encryption multiplexing protocol
    • each high-level request opens up a substream

  • IPFS Content Addressing

    • Find, Fetch, Authenticate

  • libp2p Process Addressing

    • Find, Connect, Authenticate

  • Multi Address

    • A Multiaddr is a self-describing network address and protocol stack that is used to establish connections to peers.
/ip4/80.123.90.4/TCP/5432
/ip6/[::1]/UDP/10560/quick
/unix//path/to/socket

References