The book “Quality of information transfer in corporate IP networks (part 1)”, written by a team of authors, is an important work that immerses the reader in the world of modern data transfer technologies. With the rapid development of information technology and an increase in the amount of information transmitted, this book becomes an indispensable source of knowledge for all those interested in the issues of network infrastructure and its effectiveness. The main purpose of the book is to investigate and analyze the quality of information transmission in corporate IP networks. The authors elaborate on various aspects affecting communication quality, including throughput, delays, reliability, and data security. The book presents both theoretical foundations and practical recommendations, which makes it useful for both students studying information technology and professionals working in the field of network engineering and administration. The book will be of particular interest to IT specialists, system administrators, network engineers, as well as students and graduate students studying information technology and network systems. It is suitable for readers aged 18 years and older who seek to deepen their knowledge in the field of network technologies and understand how to optimize the work of corporate networks. The topics raised in the book cover a wide range of issues related to the quality of data transmission. The authors analyze the impact of various factors on network performance, including hardware, software, and network architecture. They also discuss the importance of monitoring and managing communication quality, which is a key aspect for ensuring the smooth operation of corporate systems. The book discusses modern approaches to testing and assessing the quality of information transmission, which allows readers to get an idea of the best practices in this field. The style of the authors is characterized by accessibility and clarity of presentation, which makes the material easy to perceive, even for those who do not have deep technical knowledge. The book is filled with examples from real practice, which helps readers better understand theoretical concepts and apply them in their work. In addition, the team of authors includes experts with many years of experience in the field of network technologies, which gives the book additional value. If you are interested in topics such as network infrastructure optimization, data quality management, as well as modern technologies in the field of IP networks, then “Quality of information transfer in corporate IP networks (part 1)” will be a real find for you. This book will not only enrich your knowledge, but also help you become more competent in your field. In addition to this, the book can be useful for IT department managers and managers who want to better understand how the quality of information transfer affects business processes and overall company performance. Understanding these aspects will help them make better decisions when choosing technologies and equipment for their corporate networks. Thus, “Quality of information transfer in corporate IP networks (part 1)” is not just a book about the technical aspects of network technologies, but also a valuable resource for everyone who seeks to improve their knowledge and skills in the field of information technology. Do not miss the opportunity to immerse yourself in the world of high technology and discover new horizons in the field of network engineering!