Delay monitoring of telecommunication networks

Details Delay monitoring of telecommunication networks Delay monitoring of telecommunication networks

1997-11-07

1999-03-02

Nguyen, Chau

Multiplex communications

Diagnostic testing

Determination of communication parameters

370519, 375354, G01R 1106

Patent

active

058780327

ABSTRACT:
Novel techniques are disclosed for continuously monitoring parameters of delay between two nodes in a telecommunication network such as an ATM or frame relay network. The techniques use measurement cells, i.e. test cells, test frames, performance management ATM OAM cells, or performance management frame relay frames. These cells or frames contain a timestamp indicating the time a cell or frame is sent and a delay value indicating a difference between reception and transmission times of the cell or frame.

REFERENCES:
patent: 5450394 (1995-09-01), Gruber et al.
patent: 5777988 (1998-07-01), Cisneros
Bellcore Technical Advisory TA-NWT-001248, Issue 1, Oct. 1992, "Generic Requirements for Operations of Broadband Switching System", pp. 5-12 and 5-13.

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