HTTP is unidirectional where the client sends the request and the server sends the response.HTTP is a stateless protocol that runs on top of TCP which is a connection-oriented protocol it guarantees the delivery of data packet transfer using the three-way handshaking methods and re-transmits the lost packets.
HTTP can run on top of any reliable connection-oriented protocol such as TCP, SCTP. When a client sends an HTTP request to the server, a TCP connection is open between the client and server and after getting the response the TCP connection gets terminated, each HTTP request opens a separate TCP connection to the server,
WebSocket is bidirectional, a full-duplex protocol that is used in the same scenario of client-server communication, unlike HTTP it starts from ws:// or wss://. It is a stateful protocol, which means the connection between client and server will keep alive until it is terminated by either party (client or server). After closing the connection by either of the client and server, the connection is terminated from both ends.
Once the communication link establishment and the connection are opened, message exchange will take place in bidirectional mode until the connection persists between client-server. If anyone of them (client-server) dies or decide to close the connection is closed by both of the party.
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