TWAMP is an IP performance monitoring (IPPM) protocol and has two versions: standard version and light version. Different from standard TWAMP, TWAMP Light moves the control plane from the Responder to the Controller so that TWAMP control modules can be simply deployed on the Controller. Therefore, TWAMP Light greatly relaxes its requirements on the Responder performance, allowing the Responder to be rapidly deployed.
TWAMP Light integrates the Control-Client and Session-Sender on the Controller. The Responder functions merely as the Session-Reflector.
The Controller creates test sessions, collects performance statistics, and reports statistics to the NMS using Performance Management (PM) or MIBs. After that, the Controller parses NMS information and sends the results to the Responder through private channels. The Responder merely responds to TWAMP-Test packets received over test sessions.