Netty is a client/server framework that provides a simplified layer over NIO networking. This makes it a good candidate to create low-level nonblocking network applications.
Netty is a framework which you can add to your developer’s stack to create event based non blocking applications. You can easily adapt it to handle a variety of Protocols. In this tutorial we will show how to create and run a simple HTTP Server with Netty.
This question often arises in forums so let’s discuss here what is the difference between Netty framework and Tomcat Web server.