A method, network management tool, graphical user interface or computer readable medium in which network link and connection information is represented by lines having different visual characteristics that are used to represent in-service links, out-of-service links, and connections. In particular, the...http://www.google.com/patents/US6850253?utm_source=gb-gplus-sharePatent US6850253 - Representing network link and connection information in a graphical user interface suitable for network management
