H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 29/06 (2006.01) H04J 3/16 (2006.01)
Patent
CA 2437560
In a double computer system, the communication order and content of a specific communication packet (packet to be duplicated) sent by one computer are made identical to those of the other computer. A first computer judges, prior to its protocol processing, whether or not a received packet is a packet to be duplicated. If the received packet is one to be duplicated, the received packet is subjected to the protocol processing and added to a virtual waiting line in a shared memory. A second computer judges, prior to its protocol processing, whether or not the received packet is a packet to be duplicated. If the received packet is one not to be duplicated, the packet is subjected to the protocol processing. If the received packet is one to be duplicated, the packet is discarded, and the first packet of the virtual waiting line in the shared memory of the second computer is subjected to the protocol processing.
Selon l'invention, dans un système de deux ordinateurs, l'ordre de communication et le contenu de communication d'un paquet de communication spécifique (paquet à dupliquer) envoyé par un ordinateur, sont rendus identiques à ceux de l'autre ordinateur. Un premier ordinateur évalue, avant son traitement de protocole, si un paquet reçu doit être dupliqué ou non. Si le paquet reçu doit être dupliqué, la paquet reçu est soumis au traitement de protocole et ajouté à une file d'attente virtuelle dans une mémoire partagée. Un second ordinateur évalue, avant son traitement de protocole, si le paquet reçu doit être dupliqué ou non. Si le paquet reçu ne doit pas être dupliqué, le paquet est soumis au traitement de protocole. Si le paquet reçu doit être dupliqué, le paquet est rejeté, et le premier paquet de la file d'attente virtuelle de la mémoire partagée du second ordinateur est soumis au traitement de protocole.
Duaxes Corporation
Robic
LandOfFree
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