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DO You Know What is NGINX? How It Works?

NGINX

NGINX is open source software for web serving, reverse proxying, caching, load balancing, media streaming, and more. It started out as a web server designed for maximum performance and stability. In addition to its HTTP server capabilities, NGINX can also function as a proxy server for email (IMAP, POP3, and SMTP) and a reverse proxy and load balancer for HTTP, TCP, and UDP servers.

Nginx, pronounced like “engine-ex”, its initial success as a web server, is now also used as a reverse proxy, HTTP cache, and load balancer.

NGINX as a Web Server

The goal behind NGINX was to create the fastest web server around, and maintaining that excellence is still a central goal of the project. NGINX consistently beats Apache and other servers in benchmarks measuring web server performance. Since the original release of NGINX however, websites have expanded from simple HTML pages to dynamic, multifaceted content. NGINX has grown along with it and now supports all the components of the modern Web, including WebSocket, HTTP/2, and streaming of multiple video formats (HDS, HLS, RTMP, and others).

NGINX Work?


Nginx is built to offer low memory usage and high concurrency. Rather than creating new processes for each web request, Nginx uses an asynchronous, event-driven approach where requests are handled in a single thread.

With Nginx, one master process can control multiple worker processes. The master maintains the worker processes, while the workers do the actual processing. Because Nginx is asynchronous, each request can be executed by the worker concurrently without blocking other requests.

Some common features seen in Nginx include:

  • Reverse proxy with caching
  • IPv6
  • Load balancing
  • FastCGI support with caching
  • WebSockets
  • Handling of static files, index files, and auto-indexing
  • TLS/SSL with SNI


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