End-to-end connection packet loss detection algorithm using...

Details End-to-end connection packet loss detection algorithm using... End-to-end connection packet loss detection algorithm using...

2006-05-23

2006-05-23

Pezzlo, John (Department: 2662)

Multiplex communications

Diagnostic testing

Of a switching system

C370S473000, C379S027030

Reexamination Certificate

active

07050400

ABSTRACT:
A method is described for detecting total end-to-end loss of data packets in a packet network that does not require direct access to the packet network. A test signal is generated at a source end point indirectly coupled to the packet network. The test signal is transmitted over the packet network to a destination end point also indirectly coupled to the packet network. At the destination end point a modified test signal is received and examined to detect irregularities and then processed to determine whether the irregularities in the recorded signal represent packet loss.

REFERENCES:
patent: 4393491 (1983-07-01), Ashlock et al.
patent: 5450449 (1995-09-01), Kroon
patent: 5793976 (1998-08-01), Chen et al.
patent: 6370120 (2002-04-01), Hardy
patent: 6553061 (2003-04-01), Hardy

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