This article deals with an area of telecommunications service management known as customer network management (CNM). In the context of this article, CNM is defined as a value-added service offered to customers by a telecommunications service provider (Telco) that allows customers to access management information and functions existing within the Telco domain which relates to telecommunications services provided to the customer. Additionally, some specific CNM offerings may extend this basic definition by providing some functionality for managing the customer's own network as well.