Questions tagged [websockets]
WebSocket is an API and a protocol for bi-directional, full-duplex communication that is closely associated with HTML5 and implemented in recent versions of most web browsers.
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Why is short polling considered an antipattern for event-sourced systems?
I have an application with very strict requirements around auditing and the "replayability" of user actions. For this reason, I've chosen an event-sourced architecture because of its append-...
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How to manage user session in WebSocket
I'm developing a WebSocket server in Go where I read messages from clients and forward them to a tunnel. I want to integrate session management:
Check if a user's session is still valid.
Handle ...
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Approach for Proxying WebSocket Secure (WSS) Connections
I'm currently working on a project where I have a WebSocket Secure (WSS) server and a WSS client. The client establishes a WebSocket connection over TLS to the server, which enables bi-directional ...
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Sending data from server to a client with dynamic IP address in IoT system
I'm trying to design and implement an IoT system in which users would be able to control their smart devices (lightbulbs etc.) through smartphone application. The control messages flow would be like ...
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Using both websocket and REST for the application requiring two-way communication
I am currently implementing front-end part of the collaborative application requiring two-way live communication between server and the web app. Cloud service responsible for the data exchange will be ...
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Backend to client communication: WebSocket or Message Queue?
I have a hobby project, for simplicity imagine a poker game, consisting of a backend (Spring) and a client application (Flutter) where the client can join rooms in which he can take a seat. The client ...
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Identify user session for dynamic client interaction between a Cloud application and an Angular/Pyramid application
I’m writing a web application with an Angular client and a Pyramid/Python server. I need to dynamically interface with an external cloud application, with two requirements:
When the end user approves ...
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Websockets, network delays and messages order
Let's say we have a group chat in a chat app build with websockets. And 3 users (A, B and C) chatting in that group.
All 3 users send their message one after another with an interval of 1 second (it ...
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Should I use a REST API in addition to websockets?
I am writing a web application for a simple, multiplayer dice game so the traffic from the client to the server is going to be pretty light and latency tolerant. The client will need real-time updates ...
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Design a server file transfer to client, polling or websocket?
I'm designing a file sending system from a server to many remote clients, around 5000; each file has only one recipient client. Files rarely exceed 10MB.
The server is published on the internet, the ...
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Long-polling with message queues in a clustered environment
I have a system design question that I'm looking for some guidance on. I have two different systems that need to have a basic level of communication. This is abstracted via message queues.
For example,...
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Best approach to communicate C++/Python and Front-End
I work with Computer Vision applications, mainly in Python and C++. Recently, I get involved with a customer that wants to create a UI based on React JS to visualize the results of our software in ...
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Client-Server-Architecture: Move computation logic from client to backend - Algorithm needs certain new values while running (User input) and continue
Background: At work I was tasked with developing a new demo web client to replace our Windows Form application in the future. Our back-end is developed in Java and works stateless as REST services. ...
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Do we really need a message brocker in WebSocket system?
I'm engineering architecture of a new web based software.
I've never worked on high-scale softwares before and I'm reading a lot about it.
To increase client-side speed and reduce load on servers, and ...
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Is websocket connection a driving adapter or driven adapter in hexagonal architecture
I am creating an application using hexagonal architecture. The application uses WebSocket connections to communicate with some outside clients. Communication works in both ways. the client can send a ...
