README.md

kcp_ice.js

sequenceDiagram
    actor Client
    participant KCP
    participant Broker
    participant ICE
    Note over Broker,ICE: part of KCP
    actor PCluster

    Note over PCluster: Register PCluster on KCP
    par PCluster registration
        PCluster ->>+KCP: Register
        KCP -->>+Broker: Register
        Broker -->>-KCP: Ok
        KCP ->>-PCluster: Ok
    end
    Note over Broker: the PCluster can be conntacted via the broker

    Note over Client: Register Client on KCP
    par Client registration
        Client ->>+KCP: Register
        KCP -->>+Broker: Register
        Broker -->>-KCP: Ok
        KCP ->>-Client: Ok
    end

    note over Client: kubect get logs pcluster
    Client -->>Broker: connect to PCluster X (ICE offer)
    Broker -->>PCluster: you have an offer to connect
    PCluster -->> PCluster: process offer
    PCluster -->> Broker: answer to the offer received
    Broker -->> Client: answer to your offer
    Note over ICE: Start connection process
    Client ->>ICE: get NAT Traversal info
    PCluster ->> ICE: get NAT Traversal info
    alt is direct connection
        Client ->> PCluster: connect
        PCluster ->> Client : connect
    else is relayed connection:
        Client ->> ICE: connect
        ICE ->> PCluster: relay
        PCluster ->> ICE: relay
        ICE ->> Client: connect
    end