1. An apparatus comprising: a first d-node having a pointer to a subordinate d-node and an identifier; and a set of d-nodes, each d-node of the set of d-nodes having an identifier, a pointer to a peer d-node, a pointer to a subordinate d-node and a pointer to an entry, the set of d-nodes accessible through the pointer of the first d-node; and a set of entries, each entry of the set of entries having an identifier, a type, a value, and a pointer to an entry, the value of each entry embodying data corresponding to a configuration of a system.