1. In a service network having components interconnected by segments for providing services to end users, a method of reporting network health comprising: defining a tree structure indicative of attributes of network health of the service network, the tree having branches and a hierarchy of levels, each branch including subtrees of related attributes in a parent/child arrangement; filtering the tree structure according to a reporting criteria by pruning branches of the tree structure to include status values corresponding to the attributes requested for reporting and to omit unrequested status values; and aggregating the status values by including, based on a summation of the status values in the included branches, attributes of the pruned tree structure, included child attributes affecting a parent status value at a successive level of the tree, and omitting status values in pruned branches.