Transaction synchronization in a disconnectable computer and...

H - Electricity – 04 – L

Patent

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Details

H04L 12/24 (2006.01) G06F 9/46 (2006.01) G06F 11/14 (2006.01) G06F 17/30 (2006.01) H04L 12/12 (2006.01)

Patent

CA 2227432

A method and apparatus are disclosed for synchronizing transactions in a disconnectable network. Each transaction includes operations that were performed on a database replica on one computer while that computer was disconnected from another computer and hence from that other computer's replica. Transaction synchronization, which occurs after the computers are reconnected, transfers information from each computer to the other computer and applies updates to both replicas as appropriate. Transaction logs and clash handling tools may be used with the invention.

L'invention concerne un procédé et un appareil pour la synchronisation de transactions dans un réseau pouvant être déconnecté. Chaque transaction comporte les opérations effectuées sur une réplique de base de données sur un ordinateur alors que l'ordinateur est déconnecté d'un autre ordinateur, et donc de la réplique de cet autre ordinateur. La synchronisation des transactions, qui est assurée après que les ordinateurs ont été reconnectés, permet de transférer des informations d'un ordinateur à l'autre et d'appliquer en conséquence des mises à jour aux deux répliques. Des outils de gestion des relevés de mouvements de transactions et des conflits peuvent également être utilisés.

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