The present invention provides a method and a system for deploying a network monitoring service within a communication network. In accordance with the present invention, the method identifies the location types within the network and the associated costs of service installation for each location type. The method analyzes the traffic types present at each location type and determines the location type with the lowest cost for the selected traffic type. In another aspect of the invention, various methods to determine network devices to deploy a network monitoring service for the lowest cost are described.