> I've been looking into database replication theory lately and have found
> some interesting papers discussing various approaches. (Here's
> one paper that struck me as being very helpful,
> http://citeseer.nj.nec.com/460405.html )
Here is another one from that same group, that addresses the WAN issues.
> http://www.cnds.jhu.edu/pub/papers/cnds-2002-1.pdf
enjoy,
Darren