What WebSocket means?

WebSocket is a communications protocol for a persistent, bi-directional, full duplex TCP connection from a user’s web browser to a server. A WebSocket connection is initiated by sending a WebSocket handshake request from a browser’s HTTP connection to a server to upgrade the connection.

Why is WebSocket?

The WebSocket API is an advanced technology that makes it possible to open a two-way interactive communication session between the user’s browser and a server. With this API, you can send messages to a server and receive event-driven responses without having to poll the server for a reply.

What is WebSocket and why is it important?

WebSockets comes into the picture to save us from the old heavy methods of server communication. It provides both the server and client the ability to send data at any point of time, which was not provided by any of the old methods. …

What are WebSockets how is it different from HTTP?

Unlike HTTP, where you have to constantly request updates, with websockets, updates are sent immediately when they are available. WebSockets keeps a single, persistent connection open while eliminating latency problems that arise with HTTP request/response-based methods.

Where is WebSocket used?

When a WebSocket is typically better When a client needs to react quickly to a change (especially one it cannot predict), a WebSocket may be best. Consider a chat application that allows multiple users to chat in real-time. If WebSockets are used, each user can both send and receive messages in real-time.

What is WebSocket topic?

Topic is auto-delete whereas queue is durable. It means that when the websocket connection is closed, the topic and its data is removed. in queue, the server can still send messages and when client connect via websocket, it receives old sent messages by server. By the way, there is no difference in in-memory broker.

What do you mean by socket programming in Java?

Socket programming in Java is used for communication between the applications that are running on different JRE. It can be either connection-oriented or connectionless. On the whole, a socket is a way to establish a connection between a client and a server.