Communication network topology
Subnet is currently too global.
In-universe:
Of course, sci.physics
should be global, but maybe there should be some stuff that is only available on planets in some domains. Some politics board in soc.tana
should not be transmitted to Solar system automatically just because people fail opsec and some stuff from there could be quite damaging if found near Sol in a bad moment. Also, some general advertising board could be interesting for a system and its neighbours, but nobody further away — flying three hops just for a one more gas giant resort, who wants that?
There could also be some Wiki-like sites — of course, local, because the last attempt to run a united Wiki across a star system with five planets led to an edit war that makes history articles on 2000s Wikipedia seem an example of friendly and constructive collaboration.
Game mechanics: Currently all the flying missions in the game are fetch quests. Fly to a known planet and run SSH. Of course there are programming missions, but maybe there could be some more depth without them. I think that assembling clues scattered among the stars could make the world more interesting before programming missions require a commitment.