node-p2p.js

var WriteStream = require("write-stream")
    , uuid = require("node-uuid")
    , assert = require("assert")

    // A pool of open peer connections. Used to connect to other people
    , PeerConnectionPool = require("peer-connection-pool")
    // A list of all peers in the network
    , Peers = require("peer-nodes")

    , peers = Peers()
    , id = uuid()
    // When a new peer connection opens you get a stream!
    , pool = PeerConnectionPool(function (stream) {
        // I am an echo stream
        stream.pipe(stream)
    }).listen(id)

// new peer in the network? Awesome connect to them!
peers.on("join", function (peer) {
    var stream = pool.connect(peer.id)

    stream.pipe(WriteStream(function onwrite(message) {
        assert.equal(message, "hello world")
    }))

    stream.write("hello world")
})

// join the network!
peers.join({
    id: id
})