The document describes how a user request works in an e-commerce system. A user's web browser sends a request to a web server, which then communicates with backend scripts and frameworks like PHP, Python, and Ruby on Rails. These frameworks use the MVC pattern to interact with a database through a model, process the request through a controller, and return a response view. Common e-commerce functions like viewing products, adding to a cart, checkout, and payment are explained at a high level. The document also briefly mentions how VPNs can mask a user's IP address for privacy.

1. How the User Request Works
Client (Users) Web Browser Web Server
Business LogicStorage

2. BackEnd(Server) Scripts & Most Popular Frameworks
JSP - Hibernate
PHP - CodeIgniter, Laravel, Symfony
Python - Django, Flask, CherryPy
Ruby - Rails

3. MVC (Model View Controller)
Send Request &
Get Response
Controller
Model
View
Business Logic

4. Product Page Add to Cart Checkout Payment Page
Cash on Delivery /
Bank Payment /
UPI
Return back to
ServerStock Management
Thank you
(Confirmation Page)
How E-commerce works

5. VPN (Virtual Private Network)
- VPN masks your internet protocol (IP) address so that your online
actions are virtually untraceable.
- VPN provides secure and encrypted service for us - Reference

6. Thank You