👉 HTTP (Hypertext Transfer Protocol) engineering encompasses the design, implementation, and optimization of systems that handle HTTP requests and responses, forming the backbone of web communication. It involves understanding the protocol's layers, from the application layer (where client applications like browsers send HTTP requests) to the transport layer (TCP), and how these layers interact to facilitate data transfer over the internet. Key aspects include defining HTTP methods (GET, POST, PUT, DELETE), handling headers and cookies, managing session states, and ensuring security through HTTPS. Engineers also focus on performance optimization, such as caching strategies, load balancing, and content delivery networks (CDNs), to enhance the speed and reliability of web services. Additionally, they address scalability challenges, ensuring systems can handle increasing traffic without degradation in performance, and implement robust error handling and logging mechanisms to maintain system integrity and user experience.