[OSM-dev] TRAPI status
osm-lists at mazdermind.de
Wed Mar 10 08:30:31 GMT 2010
> I started working on a streaming XML output plugin for Osmosis. I
> was intending to take advantage of PuSH/PubSubHub messaging and
> maybe even XMPP (so that you get a 1-min delayed IM when someone
> changes something in your bbox).
> Anyway, TRAPI could use this same plugin to apply updates to their
> I've also spent a fair bit of time thinking about this type of thing.
> When I first started work on the replication diffs I had in mind a
> server-side daemon (using Osmosis internally) that would push changes to
> all connected clients. It would allow a client to connect, specify
> which replication number it was up to, receive all updates in a single
> stream, then continue to receive live changes as they occurred.
Unless there is some kind of filtering involved, i don't see the
advantage over the current replication approach (despite of bandwidth,
But if I can subscribe to all changes in a bbox or to all changes on
ways with a highway-tag, then there's a real big benefit, as i don't
have to deal with all changes (which is quite a huge amount of data) but
only with those things I'm interested in.
More information about the dev