Particular embodiments provide a virtual responder that can be contacted by any number of senders. When a sender wants to perform a measurement test with a real responder, the sender sends a control message to a virtual responder. The virtual responder is configured to determine a real responder based...http://www.google.com/patents/US8054750?utm_source=gb-gplus-sharePatent US8054750 - Virtual responder for the auto-discovery of a real responder in a network performance test
