Method and systems for copying data components between nodes...

H - Electricity – 04 – L

Patent

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Details

H04L 12/24 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2577200

Under the present invention, a wireless sensor network comprising a plurality of peer to peer nodes is provided. Each node in the network includes, among other things, a sensor for detecting environmental factors. When a potential failure is detected within a node, the node will query its neighboring nodes to determine whether they have the capability to store any data component(s) currently stored within the potentially failing node. Based on the querying, the data component(s) in the potentially failing node are copied to one or more of the neighboring nodes. Thereafter, details of the copying can be broadcast to other nodes in the network, and any routing tables that identify the locations of data components stored throughout the wireless sensor network can be updated.

La présente invention concerne un réseau de détection sans fil comprenant une pluralité de noeuds d'égal à égal. Chaque noeud du réseau comporte, notamment, un capteur permettant de détecter des facteurs environnementaux. Lorsqu'une défaillance potentielle est détectée dans un noeud, le noeud interroge ses noeuds voisins pour déterminer s'ils sont capables de stocker une ou plusieurs composantes de données stockées au moment de l'interrogation dans le noeud potentiellement défaillant. Selon la réponse, les composantes de données du noeud potentiellement défaillant sont copiées dans un ou plusieurs des noeuds voisins. Ensuite, les détails des copies réalisées peuvent être transmises à d'autres noeuds du réseau et les tables de routage permettant d'identifier les emplacements des composantes de données stockées dans le réseau de détection sans fil peuvent être mises à jour.

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