A system and method for using an ad-hoc routing algorithm...

H - Electricity – 04 – L

Patent

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H04L 12/28 (2006.01) H04B 7/216 (2006.01) H04L 12/56 (2006.01) H04Q 7/24 (2006.01)

Patent

CA 2484228

A system and method for detecting communication requirements in a network (100) and placing nodes (102, 107) in various stages of activity where conditions allow. The system and method provides an algorithm to detect changes in node activity levels and alter operations, such as update transmissions and route selections, based upon changes detected. In particular, the algorithm determines activity level at a node (102, 107) at each routing update interval based on factors such as a number of new destinations the node can reach, a number of route modifications that the node (102, 106) can implement, a number of routes from the node whose lengths have changed and a number of destinations thet node (102, 107) can no longer reach. The node can then increase or decrease the rate that it exchanges its routing information with neighboring nodes based on an increase or decrease in this activity level.

L'invention concerne un système et un procédé de détermination des besoins en matériel de communication dans un réseau et de placement des noeuds dans diverses phases d'activité lorsque les conditions le permettent. Ces système et procédé font appel à un algorithme pour détecter les changements de niveau d'activité des noeuds et modifier les opérations, notamment les transmissions de mise à jour et les choix d'acheminement, sur la base des changements détectés. Plus particulièrement, l'algorithme détermine le niveau d'activité dans un noeud à chaque intervalle de mise à jour des acheminements, sur la base de facteurs tels que le nombre des nouvelles destinations que le noeud peut atteindre, le nombre de modifications d'acheminement que le noeud peut appliquer, le nombre d'acheminements depuis le noeud dont les longueurs ont subi des changements, ainsi que le nombre de destinations que le noeud ne pleut plus atteindre. Le noeud peut augmenter ou baisser le débit d'échange selon lequel il achemine les informations avec les noeuds voisins, sur la base de l'augmentation ou de la baisse de son niveau d'activité.

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