Routing and protection of network traffic in TCP/IP. networks Methodical instructions for laboratory work on the course "Networks" is an indispensable resource for students, teachers and specialists in the field of information technology, seeking to deepen their knowledge in the field of network technologies. The team of authors, who gathered their efforts to create this tutorial, offers readers not only theoretical foundations, but also practical recommendations that will help to master the complex aspects of routing and protecting network traffic. In today's world, where information technology penetrates into all spheres of life, understanding the principles of TCP/IP networks is becoming necessary for many specialists. This book covers key topics such as routing, network traffic management, and data security techniques. Readers will be able to learn about various routing protocols, such as RIP, OSPF and BGP, as well as ways to protect network connections from potential threats. Each section of the book includes laboratory work that allows you to practice the knowledge gained, which makes learning more effective and exciting. The book will be especially useful for technical students studying computer science, network technologies and cybersecurity. It will also be an excellent help for teachers who are looking for high-quality guidance for practical exercises. Specialists working in the field of IT will be able to use the material of the book to improve their skills and develop new skills necessary for successful work in the rapidly changing world of technology. The topics raised in the book are relevant and important, especially in light of the ongoing cybersecurity threats and the need to protect information. The authors emphasize the importance of not only theoretical knowledge, but also practical skills, which makes their manual unique in its kind. The book helps readers understand how to properly configure routers, manage traffic and ensure network security, which is a key aspect of the work of any IT specialist. The style of the authors is distinguished by clarity and accessibility of presentation, which allows readers to easily assimilate complex concepts. They use many examples and illustrations, which makes the material more clear and understandable. The book also includes tasks and questions for self-control, which contributes to a deeper understanding of the material being studied. If you are looking for literature that will help you understand the intricacies of network technologies, “Routing and protecting network traffic on TCP/IP networks” will be an excellent choice. It can become your reliable companion on the way to professional growth in the field of information technology. Readers interested in the topics of network security, traffic management and modern protocols will find a lot of useful information in this book. Do not miss the opportunity to deepen your knowledge and skills in the field of network technologies with this unique guide Routing and protecting network traffic on TCP/IP networks is your key to success in the IT world, where knowledge and ability to apply it in practice become the key to a successful career.