Method and system of measuring latency and packet loss in a...

Details Method and system of measuring latency and packet loss in a... Method and system of measuring latency and packet loss in a...

H - Electricity

04

L

H04L 29/06 (2006.01) H04L 12/24 (2006.01) H04L 12/26 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2466913

The invention provides a method which involves inserting probe packets on a per service basis for transmission on a respective round trip; and for each service using the probe packets to calculate packet latency for probe packets which is representative of packet latency for all packets transmitted for the service. In some embodiments, data plane time stamps are used to accurately time probe latency. The invention also provides a method which involves inserting probe packets on a per service basis for transmission on a respective destination network element; and at the destination network element for a given service using the probe packets to calculate one way packet loss for the service.

L'invention concerne un procédé qui implique l'insertion de paquets d'essai dans une base par services pour une transmission sur un aller-retour correspondant. Pour chaque service utilisant lesdits paquets d'essais, on calcule le temps d'attente de paquets pour des paquets d'essais, ledit temps d'attente étant représentatif du temps d'attente de paquets pour tous les paquets transmis pour le service. Dans des modes de réalisation, des horodateurs de plans de données sont utilisés pour chronométrer le temps d'attente des essais. L'invention concerne également un procédé qui implique l'insertion de paquets d'essais dans une base par services pour la transmission sur un élément de réseau de destination correspondant. On calcule ensuite une perte de paquets monodirectionnelle pour ledit service sur l'élément de réseau de destination pour un service donné au moyen de paquets d'essais.

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