SSH Multiplexing

https://frankenbyte.tumblr.com/post/33747851865/faster-github-using-ssh-multiplexing

No multiplexing

graph TD
    Client[SSH Client]
    
    subgraph "Connection 1"
        Socket1[Socket<br/>:random → :22]
        Session1[SSH Session 1]
    end
    
    subgraph "Connection 2"
        Socket2[Socket<br/>:random → :22]
        Session2[SSH Session 2]
    end
    
    Server[SSH Server]
    
    Client --> Socket1
    Socket1 --> Session1
    Session1 --> Server
    
    Client --> Socket2
    Socket2 --> Session2
    Session2 --> Server
    
    style Client fill:#e1f5ff
    style Server fill:#ffe1e1
    style Socket1 fill:#fff3cd
    style Socket2 fill:#fff3cd
    style Session1 fill:#d4edda
    style Session2 fill:#d4edda

Multiplexing

graph TD
    Client[SSH Client]
    
    subgraph "Master Connection"
        Socket[Socket<br/>:random → :22]
        Master[Master SSH Connection]
    end
    
    subgraph "Multiplexed Sessions"
        Session1[SSH Session 1]
        Session2[SSH Session 2]
    end
    
    Server[SSH Server]
    
    Client --> Socket
    Socket --> Master
    Master --> Session1
    Master --> Session2
    Session1 --> Server
    Session2 --> Server
    
    style Client fill:#e1f5ff
    style Server fill:#ffe1e1
    style Socket fill:#fff3cd
    style Master fill:#cfe2ff
    style Session1 fill:#d4edda
    style Session2 fill:#d4edda