Patent ID: 7333517

Claim:
A system for obtaining information transmitted over a network, the system comprising: a network sender system, including: a sender processing component configured to cause transmission of a plurality of selected packets on the network, the packets comprising a header field, a data field, a sequence number field, a sender timestamp field, and a receiver timestamp field; a sender component configured to record a sender timestamp of the sender system within the sender timestamp field of each selected packet; and a sender component configured to record a packet sequence number within the sequence number field of each selected packet; and a network receiver system configured to receive each selected packet transmitted on the network, the receiver system including: a receiver component configured to maintain a list of received packets, the list comprising, for each received packet: the packet sequence number, the packet sequence number being obtained from each received packet, the sender timestamp of each received packet, and a receiver timestamp corresponding to the time at which the receiver system received each received packet; and a receiver processing component, the receiver processing component maintaining information corresponding to the sender timestamp, the receiver timestamp, and a relative latency time for each received packet.