Method for enabling faster recovery of client applications...

Details Method for enabling faster recovery of client applications... Method for enabling faster recovery of client applications...

H - Electricity

04

L

H04L 29/14 (2006.01) H04L 29/08 (2006.01)

Patent

CA 2706579

A system and method are provided for improving recovery times in fallover conditions in a multinode data processing system by sending notification of the failure of a server node, which is acting as server for a client application running on a client node, to the client application. In the present invention, this notification is provided by the fallover node acting as backup for the server node. When a client application receives no response from a server for a long time, it assumes that the server has failed and initiates reconnection. The present invention speeds-up the reconnect initiated by the client application by having system level software proactively notify the client application about the server failure. This results in faster recovery for client applications.

L'invention porte sur un système et sur un procédé pour améliorer des temps de récupération dans des conditions de relayage dans un système de traitement de données à multiples nuds par l'envoi d'une notification de l'échec d'un nud serveur, qui sert de serveur pour une application client lancée sur un nud client, vers l'application client. Selon la présente invention, cette notification est fournie par le nud de relayage servant de secours pour le nud serveur. Lorsqu'une application client ne reçoit aucune réponse d'un serveur pendant un long moment, elle suppose que le serveur a échoué et déclenche une reconnexion. La présente invention permet daccélérer la reconnexion déclenchée par l'application client en amenant un logiciel de niveau système à notifier de manière proactive l'application client concernant l'échec de serveur. Ceci conduit à une récupération plus rapide pour des applications client.

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