Method for measuring network delay using gap time

Details Method for measuring network delay using gap time Method for measuring network delay using gap time

2006-03-14

2006-03-14

Chin, Wellington (Department: 2664)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S503000, C370S508000, C370S516000, C370S519000

Reexamination Certificate

active

07012900

ABSTRACT:
Methods, apparatuses and systems directed to measuring delay attributable to a network. The network delay is computed, in one implementation by determining a round-trip time for a network connection based on the arrival times of selected packets transmitted by first and second endpoints to establish the network connection, measuring the time gaps between consecutively increasing data packets in an ordered packet stream associated with a transaction, comparing the measured time gaps to the round-trip time, and computing a network delay for the transaction by adding the round-trip time to the measured time gaps that exceed the round trip time.

REFERENCES:
patent: 5815667 (1998-09-01), Chien et al.
patent: 6445681 (2002-09-01), Pogrebinsky
patent: 6512761 (2003-01-01), Schuster et al.
patent: 6769029 (2004-07-01), Seki et al.
patent: 6807159 (2004-10-01), Shorey et al.
patent: 2003/0016630 (2003-01-01), Vega-Garcia et al.

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