Apparatus and method for preventing network server overload

H - Electricity – 04 – Q

Patent

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Details

H04Q 3/545 (2006.01) G06F 9/50 (2006.01) H04L 12/24 (2006.01) H04L 29/06 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2252792

An apparatus and method for preventing overload of a network server by messages received from a source initiating network server transactions. The method and apparatus use available network traffic measurements to estimate target transaction rates and admission factors. The method includes the steps, executed by a processor, of establishing a target incoming transaction workload per measurement interval (602), estimating from measurements obtained during the measurement interval the transaction workload offered by a source (604), and reducing a rate at which new transactions are initiated by the source to match the incoming transaction workload to the target workload when the offered transaction workload exceeds a threshold (606).

On décrit un dispositif et un procédé servant à empêcher un serveur de réseau d'être surchargé de messages reçus à partir d'une source déclenchant des transactions de serveur de réseau. Dans ces dispositif et procédé, on utilise des mesures de trafic de réseau disponibles pour estimer des débits de transactions cibles et des facteurs d'admission. Le procédé comprend les étapes exécutées par un processeur et consistant à établir un volume cible des transactions entrantes par intervalle de mesure (602), à estimer à partir de mesures obtenues lors de cet intervalle le volume de transactions offert par une source (604) et à diminuer un débit auquel de nouvelles transactions sont amorcées par la source, afin que le volume des transactions entrantes corresponde à la charge au volume cible lorsque le volume des transactions offertes dépasse un certain seuil (606).

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