Internap Network Services Corporation (Internap) markets products and services that optimize the performance and reliability of business Internet applications for e-commerce, customer relationship management (CRM), multimedia streaming, voice-over Internet protocol (VoIP), virtual private networks (VPNs) and supply chain management. Internap's product and service offerings are complimented by value-added services, such as colocation and data center services and managed security services. It also provides products and services for storing and delivering audio and video digital media to audiences over the Internet through a subsidiary, VitalStream Holdings, Inc. (VitalStream). Its content delivery network (CDN) was purpose-built for streaming digital media and enables content owners to monetize their digital media assets via both subscription and advertising-based business models. Internap operates in three segments: Internet protocol (IP) services, data center services and CDN services.