Backend Development Fundamentals: Processes, Sockets, TCP/IP, Nginx, FASTCGI, Byte Order, and Redis

This course thoroughly analyzes the basic concepts and principles of processes and their critical role in program execution. It also explains the underlying mechanisms of socket communication, covering the TCP/IP protocol stack and the Socket programming interface.

The curriculum details how Nginx efficiently communicates with backend applications such as PHP‑FPM via FASTCGI , and highlights the central position of Nginx in web server architecture. Additionally, it delves into the conversion principles between host byte order and network byte order, helping learners understand data transformation during network transmission.

Finally, the course introduces the basics of Redis , its communication protocol implementation, core data structures, and common commands, illustrating its advantages in caching and data storage. The material is designed for backend developers, system administrators, network engineers, and anyone interested in deepening their backend technology expertise.