Spirent Communications Plc engages in the development of communication technologies. It operates through the following segments: Networks & Security, Lifecycle Service Assurance and Connected Devices. The Networks and Security segment consists of the cloud and ip, application security and positioning lines of business. The Lifecycle Service Assurance segment offers solutions enable the measurement of network performance and customer experience periodically and the rapid diagnosis of detected or reported network performance and customer experience problems. The Connected Devices segment consists of the wireless and service experience lines of business together with communications technologies management. Spirent Communications was founded by Jack Bowthorpe in 1936 and is headquartered in Crawley, the United Kingdom.