Repeater for executing a packet routing process

Details Repeater for executing a packet routing process Repeater for executing a packet routing process

H - Electricity

04

L

H04L 12/28 (2006.01) H04L 12/26 (2006.01) H04L 12/56 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2271835

The present. invention aims ate making the cut-through trigger variable in accordance with the traffic environment, thereby increasing the cut-through traffic to enhance the efficiency of communication. In the trigger filtering unit (16A), the number of transfers of the hop-by-hop packet meeting each of a plurality of preset trigger conditions is counted. In the processor (15A), the rate of the traffic meeting each of trigger conditions to all the traffics of the hop-by-hop transfer is calculated in accordance with the count value, a trigger condition under which the rate exceeds the threshold value is selected as the cut-through trigger, and it is determined which of the but-through transfer mode and the hop-by-hop transfer mode should be selected.

L'invention concerne un répéteur servant au changement du déclenchement de traversée transparente en fonction des conditions ambiantes de trafic, à augmenter le trafic en traversée transparente, et ainsi à améliorer l'efficacité de communication. Une unité de filtrage de déclenchement (16A) calcule, pour chacune des conditions de déclenchement préréglées, le nombre de transferts de paquets point par point satisfaisant à la condition préréglée. Un processeur (15A) calcule, sur la base des valeurs calculées, le rapport des trafics satisfaisant à chaque condition de déclenchement à tous les trafics se faisant selon le transfert point par point. La condition de déclenchement pour laquelle ledit rapport dépasse une valeur seuil est sélectionnée comme étant un déclenchement de traversée transparente. Il est ensuite décidé quel mode doit être sélectionné, à savoir le mode de transfert par traversée transparente ou le mode de transfert point par point.

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