Spirent Communications plc operates in the communications test and measurement industry. The Company is organized into two business segments: Performance Analysis and Service Assurance. Performance Analysis provides solutions that test current a range of communications technologies critical to the development of network equipment and devices. Service Assurance provides network monitoring and field test solutions to allow service providers to diagnose, troubleshoot and determine how to resolve issues with networks and systems within the live network. The Company also provides tools for service technicians and field test engineers. The Company�s solutions allow network equipment and mobile device manufacturers, service providers, enterprises and Government entities to test and the performance of their networks, network elements, mobile devices and services.