Every IT administrator knows that users typically complain of two things: the network doesn’t work or it’s slow. When your network isn't working, it’s usually because something is down and we can rely on Network Fault Monitoring tools to notify us. But where do we start when users complain of poor performance? And what tools are available to help us? In these situations, Network Performance Monitoring tools might be just what you need.

NGINX is one of the most widely used reverse proxy servers, web servers, and load balancers. It has capabilities like TLS offloading, can do health checks for backends, and offers support for HTTP2, gRPC, WebSocket, and most TCP-based protocols. When running a tool like NGINX, which generally sits in front of your applications, it’s important to understand how to debug issues. And because you need to see the logs, you have to understand the different NGINX logging mechanisms.

HTTP stands for Hypertext Transfer Protocol and is the backbone of the World Wide Web. HTTP/2 is the second major version of the HTTP protocol, which offers a performance improvement over its prototype. The new protocol has been in development for a long time, with the first draft published in 2012 and it was finalized in 2015. In recent times, HTTP is the obligation that boards almost all of the networks.

A notable tool that renders the fortune of a web is Round Trip Time, which is also known as Round Delay Time. The time taken for a network request for a data packet and the flourishing of that data is the round trip time. The duration of RTT is calculated in milliseconds. RTT can be diagnosed and prompted by pinging a specific address. The time takes for an internet request to hit a destination and to lapse back to the primary resource.