A system for managing a distribution network, the system including a network hydraulic model and an automated meter infrastructure, AMI, that provides an AMI data from a plurality of consumption meters located within a plurality of subnetworks (11, 12, 13, 14) within the distribution network, the system comprising: a plurality of nodes that interconnect the plurality of subnetworks (11, 12, 13, 14); a plurality of boundary devices, each boundary device from the plurality of boundary devices being operatively connected to a node from the plurality of nodes, wherein each boundary device from the plurality of boundary devices at least includes a flow meter and a pressure sensor, and wherein the flow meter senses a flow and the pressure sensor senses a pressure such that the plurality of boundary devices sense the flow and the pressure of the distribution network at the plurality of nodes at a given time step; a plurality of subnetwork hydraulic models generated from the network hydraulic model, wherein the plurality of subnetwork hydraulic models correspond to the plurality of subnetworks (11, 12, 13, 14); and a processing module configured to determine a first comparison for the given time interval between the AMI data from the plurality of consumption meters within a given subnetwork, the flow and the pressure at the plurality of nodes that border the given subnetwork, and the subnetwork hydraulic model for the given subnetwork, wherein the distribution network is managed based at least in part on the first comparison, characterized in that the processing module is further configured to update the subnetwork hydraulic model based on at least one of the AMI data from the plurality of consumption meters within the given subnetwork or the flow or the pressure sensed at the plurality of nodes bordering the given subnetwork, and optionally, wherein an interval is formed between times at the given time step, and wherein the subnetwork hydraulic model is updated only for the interval. a plurality of nodes that interconnect the plurality of subnetworks (11, 12, 13, 14); a plurality of boundary devices, each boundary device from the plurality of boundary devices being operatively connected to a node from the plurality of nodes, wherein each boundary device from the plurality of boundary devices at least includes a flow meter and a pressure sensor, and wherein the flow meter senses a flow and the pressure sensor senses a pressure such that the plurality of boundary devices sense the flow and the pressure of the distribution network at the plurality of nodes at a given time step; a plurality of subnetwork hydraulic models generated from the network hydraulic model, wherein the plurality of subnetwork hydraulic models correspond to the plurality of subnetworks (11, 12, 13, 14); and a processing module configured to determine a first comparison for the given time interval between the AMI data from the plurality of consumption meters within a given subnetwork, the flow and the pressure at the plurality of nodes that border the given subnetwork, and the subnetwork hydraulic model for the given subnetwork, wherein the distribution network is managed based at least in part on the first comparison, characterized in that the processing module is further configured to update the subnetwork hydraulic model based on at least one of the AMI data from the plurality of consumption meters within the given subnetwork or the flow or the pressure sensed at the plurality of nodes bordering the given subnetwork, and optionally, wherein an interval is formed between times at the given time step, and wherein the subnetwork hydraulic model is updated only for the interval.