Explore the concept of KeepAlive in TCP and HTTP protocols in this informative 35-minute video. Dive into the intricacies of KeepAlive, including its definition, implementation in TCP, and interaction with middleboxes and single-path TCP. Learn about potential pitfalls, such as the FTP KeepAlive trap, and gain insights into HTTP KeepAlive. Discover optimal keepalive timeout settings and understand the pros and cons of this technology. Follow along with a structured breakdown of topics, from the basics to advanced concepts, to enhance your backend engineering knowledge.