On Wed, 30 Nov 2011 08:25:43 -0800, John Hardin wrote: > On Wed, 30 Nov 2011, Walter Hurry wrote:
>> Why replicate? Why not just share the same database? > > Latency and reliability of the link between the "geographically separate > locations". Replication is typically robust in the face of unreliable > networking and high latency and will recover from outages, and most > people don't want their mail delivery system doing WAN database queries > with the associated (assumed) high latency, limited bandwidth and risk > of service interruption that is inherent in a WAN. Good points. Actually I missed the "geographically separate locations" bit - mea culpa.
