Designing Digital Switching Fields: The Method. Instructions to the laboratory. the course "Commutation Systems" by Sergey Mikhailovich Lapshin is a unique and indispensable resource for students and specialists interested in modern technologies in the field of telecommunications and switching systems With the rapid development of digital technologies and the constant updating of knowledge in this area, this publication becomes a real guide for those who want to better understand the principles of design and operation of digital switching systems. The book covers a wide range of topics related to the design of digital switching fields, including theoretical foundations, practical aspects and methodological guidelines that will help students successfully cope with laboratory work. Lapshin shares his knowledge and experience, offering readers not only theoretical calculations, but also practical tasks that contribute to the consolidation of the acquired knowledge. This makes the book especially valuable for students of technical universities studying courses on communication systems and telecommunications. One of the key themes of the book is the design and optimization of digital switching systems. Lapshin examines in detail the various methods and approaches that make it possible to effectively organize data transfer processes. He focuses on current trends in the field of digital communication, such as the use of software-defined networks and virtualization technologies, which makes the material relevant and in demand. The book will be of interest not only to students, but also to practicing engineers who want to update their knowledge or master new technologies in the field of switching systems. It is suitable for both novice professionals and experienced professionals seeking to deepen their skills and expand their horizons in the design and operation of digital switching fields. Lapshin, as an author, is known for his deep understanding of the subject and his ability to explain complex concepts easily. His writing style is clear and logical, which allows the reader to easily digest the material. In addition, he actively uses examples from practice, which makes the study more exciting and visual. In his arsenal there are other works devoted to communication systems, which also deserve attention, for example, “Basics of digital communication” and “Modern technologies in telecommunications” .. The topics raised in the book cover not only technical aspects, but also issues related to the future of digital communications. Lapshin raises important questions about the impact of new technologies on society, the need to adapt educational programs to a rapidly changing world, and the role of engineers in this process. This makes the book relevant not only for technical education, but also for a wide audience interested in the future of technology. In conclusion, “Digital Switching Fields Design” is not just a training manual, but a real find for anyone who wants to keep up with modern trends in the field of telecommunications. Lapshin’s book will become a reliable companion on the way to mastering complex but fascinating topics related to the design and operation of digital systems. If you are looking for high-quality and informative material on switching systems, this publication will be an excellent choice.