for remote places, with bad internet connections, we want to have the main server to be local to the users in the internet. Some users might find that the server in london is slow. they will want simple tools to setup and host a local cache and CPU pool that is used in the larger OSM scheme.
we should setup a jabber server for fosm to use it with kestrel, or rework kestrel to run over irc
the changesets basic data could be broadcast in an irc channel with a special syntax to describe what area is affected, what the contents are, what conflicts occur and a link to the data. this could be subscribed by simple filtering on the channel.