Spirent Communications plc is a leading communications technology company focused on delivering innovative systems and services to meet the needs of customers worldwide. Spirent is a global provider of performance analysis and service assurance solutions that enable the development and deployment of next-generation networking technologies such as;

- Broadband Networking: DSL, Gigabit Ethernet, and IP
- Convergence: VoIP, IP VPNs, IPTV
- Next-Generation Internet: IPv6
- Wireless: CDMA, UMTS, Location Based Services
- Enterprise Networks: load testing, system performance, network security
- Satellite Navigation: GPS, GLONASS, Galileo

Spirent pioneered testing of Ethernet networks, IP Telephony and VoIP, VPNs, TriplePlay, CDMA applications and Location Based Services. Today, the company is helping to test the first deployments of the next generation Internet or IPv6 networks in Asia, Europe and North America.