1. A method for aggregating data descriptive of a plurality of projects and servers, comprising: configuring a catalog database server to a host catalog database and as accessible to a plurality of project servers; configuring each said server for accessing said catalog database server; providing for each said project server and each said project a separate entry in said host catalog database including catalog database indicia describing each said project server and project indicia describing and each said project; said project server indicia including project server is master indicia and project server is virtual indicia; executing simple aggregation by operating a project server which is a master server to access said catalog server selectively for immediate update and scheduled update of said catalog; and executing complex aggregation by operating a project server in a cluster of servers to access said catalog server selectively to send immediate updates to a master entry in said host catalog database for a master server in said cluster and non-immediate updates to an entry in said host catalog database for said project server.