I don't use any of the paid online services, like Marmalead, for SEO keywords but hopefully others will contribute their experience. Source: over 1 year ago

We use Netty (https://netty.io/) as the source of the MQTT communication, and we build the MQTT features the MQTT broker should support ourselves on top of that. - Source: Hacker News / 6 months ago

In this space, we also have the somewhat related term blocking. Java's NIO library is one well-known non-blocking tool used for managing multiple tasks on a single Java thread. When listening to sockets, most of the time a thread is just blocked, doing nothing until it receives some data. So, it's efficient to use a single thread for monitoring many sockets, to increase the likelihood of the thread having some... - Source: dev.to / 7 months ago

Given the fact that Lettuce is built with Netty, we also immediately noticed quite an impact on the initialization time (cold start) of our lambda function. Netty is really fast while executing, but takes a bit of time to initialize. The new Lambda Snapstart functionality might help with that. - Source: dev.to / about 1 year ago

Io.netty or netty.io is a Java network library, so it does stuff with servers (Minecraft's multiplayer, Chrome websites, local programs talking with each other etc.). Source: over 1 year ago

If you're still determined, I'll give you two options: 1. Sockets: A simple but primitive way of transferring and receiving data. Everything has to be done synchronously. 2. Netty: A much more robust and flexible asynchronous networking library, but requires much more boilerplate to get started. Source: over 1 year ago