Spirent Communications is a global provider of integrated performance analysis and service assurance systems that enable the development and deployment of next-generation networking technology such as Internet telephony, broadband services, 3G wireless, global navigation satellite systems, and network security equipment. Spirent Communications’ solutions are used by more than 1,700 customers in 30 countries, including the world’s largest equipment manufacturers, service providers, enterprises and governments. Based in Sunnyvale, CA, Spirent Communications has 1,500 employees worldwide. Spirent has a strong reputation in the fast-growing field of Ethernet Service Assurance, enabling service providers to verify revenue-generating IP-based services and their underlying network infrastructure. Endace has announced a technology partnership with Spirent to develop the next generation of high speed Ethernet service assurance probes, used by service providers to ensure quality of service on their networks.