Java HA framework

Question

I am writing a small proxy application which should be redundant, e.g. primary proxy will be running on one server and the redundant one will run on a separate server. Is there a simple high-availability framework which I can use to implement this redundancy? For example, this HA framework would send pings between instances and raise some sort of exception or notification on the other instance when the first one goes down.

Answer 1

Building such a system has been my routine job in recent years. I have found jgroups a very usable tools to receive and handle such kind of grouping events. This is the case if you want to build your own HA infrastructure. I don't know, but maybe in your case just a simple reverse proxy such as HAProxy can be enough.