Multiplexing

It is a method that allows to send multiple requests in parallel over a single TCP connection. This allows to avoid situation where you make multiple requests and wait for each to be handled in order. This is used by HTTP 2.

graph TD  
    A[Client] --> B[Server]  
    A --> B  
    A --> B  
    A --> B  
    B --> A  
  
    subgraph Resources  
        R1[main.js]  
        R2[main.css]  
        R3[img1.jpg]  
        R4[img2.jpg]  
    end  
  
    B --> R1  
    B --> R2  
    B --> R3  
    B --> R4