WebSockets

The video tutorial introduces the Websocket protocol for creating real-time applications with Node.js. It explains the concept of full duplex communication, allowing bidirectional data exchange between client and server, unlike HTTP. The tutorial highlights the importance of persistent connections in Websockets, using a chat application as an example. It concludes with a brief on implementing Websockets using the socket.io library.

What is the primary purpose of the Websocket protocol?

Explain the concept of full duplex communication in the context of Websockets.

How does Websocket communication differ from HTTP requests?

Describe the significance of a persistent connection in Websockets.

What are the two important features of the Websocket protocol mentioned in the text?

In a chat application, how does the server communicate messages to clients?

What library is mentioned for implementing the Websocket protocol?