Computer Networking is a fundamental subject in Computer Science education, yet it remains one of the most challenging topics for students to grasp due to its highly abstract and dynamic nature. Traditional teaching methods, which rely on static diagrams and textbook descriptions, fail to convey the real-time behavior of network protocols and data flow. This paper presents NetScope, a free, browser-based interactive visualization tool built using pure HTML, CSS, and JavaScript — without any external frameworks or libraries. NetScope provides animated, step-by-step simulations of nine core networking topics including TCP/IP Handshake, DNS Resolution, Routing Algorithms, ARP Protocol, IP Addressing, Packet Switching, and Circuit Switching. A Pro Mode dashboard is also included for advanced learners. The tool is fully responsive, open-source, and requires no installation. This paper describes the design, architecture, features, and educational impact of NetScope, and argues that animation-driven, interactive tools significantly improve conceptual understanding in networking education.
Meher Gautam (Tue,) studied this question.