The activities associated with the gathering and determination whether the network configuration is capable of servicing its customers in its current configuration. The purpose of Network Constraints Analysis is to determine whether the network is capable to service its customers in its current configuration ΓÇô e.g. meeting lead time, cost, inventory strategic goals. It serves as a first pass of performance analysis/root causing. This is a collection of (heuristic) calculations/tools. Tools: Grid analysis, heuristic gravity modeling, network modeling software.