Do Websockets Use Tcp?

The WebSocket protocol is an independent TCP-based protocol. Its only relationship to HTTP is that its handshake is interpreted by HTTP servers as an Upgrade request. By default the WebSocket protocol uses port 80 for regular WebSocket connections and port 443 for WebSocket connections tunneled over TLS [RFC2818].

Are WebSockets built on TCP?

WebSocket is a computer communications protocol, providing full-duplex communication channels over a single TCP connection. ... WebSocket is distinct from HTTP. Both protocols are located at layer 7 in the OSI model and depend on TCP at layer 4.

Is WebSocket a TCP socket?

The purpose of web sockets is to allow you to initiate a connection via HTTP, but then negotiate to use the web sockets protocol (assuming the server is capable of doing so) to allow a more "TCP socket"-like communication stream. ... Underlying WebSockets is TCP, it's just abstracted away for simplicity.