Spirent Communications plc (Spirent) is a United Kingdom-based test and measurement solution provider for the communications industry. Spirent operates through three segments: Networks & Applications, Wireless & Service Experience and Service Assurance. Its Networks & Applications segment�s solutions address data centers, cloud computing, virtualized environments, security, Ethernet networks and services, and infrastructure test optimization. Its Wireless & Service Experience segment offers functional and performance testing of 4G/Long-Term Evolution (LTE) and 3G mobile devices, services and infrastructure, and satellite positioning devices. The segment�s solutions portfolio also includes tools and services for the measurement of mobile experience on live networks, irrespective of the device or the operating system. The Service Assurance segment�s solutions allow service providers to deploy and maintain networks, and diagnose and troubleshoot networks and systems within a network.