As with most IT products and architectures, there is no single solution that perfectly fits in every scenario. Just looking at vCenter Server, we have seen that there are quite a few deployment topologies available to us, ranging from the basic embedded deployment, with its unmatched ease of operation-but which lacks some advanced availability options and architectural flexibility-to the multi-site with PSC HA mode and vCenter Windows Failover Clustering, providing the most advanced option for HA and architectural flexibility while at the same time lacking basic functionality, such as a supported backup procedure and being quite complex in daily operations.
So the decision as to which deployment topology to choose will always be a compromise depending on the concrete requirements and priorities that have been defined for a concrete environment. A final design decision...
