Delay monitoring of telecommunication networks

Details Delay monitoring of telecommunication networks Delay monitoring of telecommunication networks

H - Electricity

04

L

H04L 12/26 (2006.01) H04L 12/56 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2252211

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.

La présente invention divulgue de nouvelles méthodes pour surveiller de façon continue des paramètres de retard entre deux noeuds dans un réseau de télécommunications tel qu'un réseau MTA ou un réseau à relais de trame. Ces méthodes utilisent des cellules de mesure, c'est-à-dire des cellules de test, des trames de test, des cellules MTA de gestion ou des trames de relais de trame de gestion. Ces cellules ou des trames contiennent un horodatage indiquant le moment de transmission d'une cellule ou d'une trame et un retard correspondant à la différence entre les instants de réception et de transmission de cette cellule ou de cette trame.

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