In an example embodiment, a method of service discovery and correlation is provided. In example embodiments, a network management system discovers, categorizes, and stores data on network elements (e.g., devices, provisioning, relationships, protocols, and topology) in a carrier network. Using a unique set of rules, relational groupings based on the discovered network elements may be created. The relational groupings, in turn, facilitate creation of a centralized carrier service view. By correlating the results of the discovery process with the centralized carrier service view, fault management, availability of service, and other observations of services can be deduced.