Projects / Computer Science / Computer Science project 14

Real-Time Chat Application with WebSockets

Approx. component budget: Rs. 0 - 2,000

Objective

Build real-time messaging that stays fast with many users and does not lose messages.

What you will build

A chat app with private messages, group rooms, online status, typing indicators, message history and image sharing.

Results you can expect

• Message latency in milliseconds with 50 and 500 simulated users
• Delivery success rate
• Reconnect behaviour after a network break
• And memory use on the server

What you will learn

WebSockets vs polling, message queues, scaling to multiple servers, and session handling.

Tools and notes

Node.js with Socket.IO, Redis, MongoDB, React, Artillery for load tests. Add basic rate limiting and message size limits.

Resume points from this project

• Built and tested Real-Time Chat Application with WebSockets; objective: build real-time messaging that stays fast with many users and does not lose messages.
• Measured and analysed message latency in milliseconds with 50 and 500 simulated users and delivery success rate; wrote the report and presented the results in a viva. Add your own numbers: [x].

Replace [x] with your own measured results. Write only what you really did.

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