Lightweight packet-drop detection for ad hoc networks

Details Lightweight packet-drop detection for ad hoc networks Lightweight packet-drop detection for ad hoc networks

H - Electricity

04

W

H04W 24/00 (2009.01) H04L 12/24 (2006.01) H04L 12/28 (2006.01)

Patent

CA 2588790

In packet-drop attacks in ad hoc networks, a malicious network node choose to selectively drop packets that are suppose to be forwarded, wich results in adverse impact on application good-put and network stability. A method and system for detection of packet-drop attacks in ad hoc networks requires network nodes to report statistics on IP flow packets originated, received, or forwarded to neighbors. These statistics are analyzed and correlated to determine nodes suspected of dropping packets.

Lors d'attaques par perte de paquets dans des réseaux ad hoc, un noeud de réseau malveillant choisit d'écarter de manière sélective des paquets censés être retransmis, ce qui a un effet négatif sur le débit moyen utile et la stabilité du réseau. Un procédé et un système destinés à la détection d'attaques par perte de paquets dans des réseaux ad hoc nécessitent la présence de noeuds de réseau pour obtenir des statistiques concernant les paquets en circulation émis, reçus ou retransmis par des voisins. Ces statistiques sont analysées et mises en corrélation pour détecter des noeuds suspectés d'écarter des paquets.

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