1. A method for network analysis, comprising: determining an initial set of demands upon the resources of a network, each demand including a quantification; determining a new set of demands upon the resources of the network, each demand including a quantification; apply a policy for assigning a demand of the new set of demands to a demand of the initial set of demands; create a dependency for the assignment of the demand of the new set of demands to the demand of the initial set of demands; construct a sub-graph including the dependency; and incorporate the sub-graph into a resource-oriented-dependency graph.