Connecting ham radio apps and devices together on a LAN is unnecessarily difficult. It has been too difficult even locally, on the same computer. Finding IP addresses and ports, and typing them in configurations, is something that is quite unnecessary in year 2024. We, the software developers, can do better, and enable Zeroconf / DNS-SD, and let users simply *pick* the services from a list.
Here's a list of ham zeroconf applications, and some implementation ideas:
https://github.com/hessu/aprs-specs/blob/master/hamradio-zeroconfig.md