Internet Fundamentals and Applications

Internet Fundamentals and Applications offers a comprehensive introduction to the core technologies, protocols, and tools that power the modern Internet. Designed for students, educators, and professionals alike, this book spans a wide spectrum of essential topics, including web architecture, HTML, CSS, JavaScript, dynamic web development, XML, client-server interaction, network protocols, security, and emerging trends like IP telephony and distributed applications using Java RMI.

Structured across fifteen chapters, the book provides both foundational theory and hands-on examples. Readers will learn how the Domain Name System (DNS) works, how to design secure web applications, and how scripting languages interact with databases to create interactive, data-driven websites. Emphasis is also placed on technologies such as PHP, MySQL, XML, and SNMP, as well as the importance of cryptographic protocols in securing digital communication.

Each chapter is designed to foster both conceptual clarity and practical skills. Whether you're seeking to understand how web pages are served and styled or how secure transactions take place over the Internet, this book serves as a reliable reference and learning tool.

Clear explanations, real-world examples, and a structured pedagogical approach make this book a valuable asset for those looking to strengthen their understanding of the Internet and its applications in today's connected world.

Dr. Rahul Kumar Ghosh is an Assistant Professor at Brainware University, Kolkata, specializing in Applied Statistics, Information Technology, and Education Technology. He holds two M.Sc. degrees and a Ph.D. in Information Technology. His research focuses on digitalization of education credentials, e-governance, NLP, and data analytics. Dr. Ghosh has authored 22 journal papers indexed in Scopus, ESCI, and ABDC, and holds 7 patents. He is a recipient of the National Education Excellence Achievers Award (2022) and the Young Faculty Award (2021). His contributions extend to software engineering, Aadhaar system studies, and sustainable educational innovation

Dr. Kaushik Chanda is an Associate Professor at the Department of Computational Sciences at Brainware University, Kolkata. He holds a Master's degree in Computer Applications (MCA) and a PhD. With a deep expertise in Programming Languages, Database Management Systems (DBMS), Web Technologies, Machine Learning, and Artificial Intelligence, Dr. Chanda is dedicated to advancing the field of computational sciences. His research and academic contributions reflect his passion for technology and innovation in the ever-evolving domain of computer science.

Ms. Anudeepa Gon holds an M.Tech (1st class 3rd) in Computer Science and Engineering from Narula Institute of Technology under MAKAUT, Kolkata. She received the JIS Innovation Award for her research contributions and has over three years of academic experience. She has published 3 patents, 5 book chapters, and 4 international conference papers, and has presented at global conferences. Currently, she serves as an Assistant Professor in the Department of Computational Sciences at Brainware University, Barasat. Her teaching blends theoretical insight with practical relevance. Her research interests include Machine Learning, Cyber Security, and Deep Learning. Passionate about mentoring students and fostering a research-driven environment, she is committed to bridging the gap between academia and industry.