Method and apparatus for reducing load distribution delay in...

Details Method and apparatus for reducing load distribution delay in... Method and apparatus for reducing load distribution delay in...

H - Electricity

04

L

H04L 29/06 (2006.01) H04L 12/66 (2006.01) H04M 7/00 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2374214

Method and apparatus for reducing load distribution delay in an internet protocol switch (303). A system of messaging allows leader (304) and follower cards (305, 306) within a switch (303) to communicate without spanning the external network (301) and without significant involvement by the central computing module (307) within a switch (303). When a call setup request is received by a leader card (304), it sends a broadcast message to follower cards (305, 306) within a multicast group. Each follower card (305, 306) responds with address and channel information which enable the leader card (304) to perform load balancing and establish a connection through the appropriate follower card (305, 306).

L'invention concerne un procédé et un dispositif permettant de réduire le retard de répartition de la charge dans un commutateur à protocole Internet. Un système de messages permet aux cartes d'ouverture et suiveuses dans un commutateur de communiquer sans liaison avec le réseau externe et sans l'implication significative du module informatique central dans un commutateur. Lorsqu'une carte d'ouverture reçoit une demande d'établissement d'appel, elle envoie un message à diffusion générale aux cartes suiveuses au sein d'un groupe multi-diffusion. Chaque carte suiveuse renvoie des informations concernant l'adresse et le canal, qui permettent à la carte d'ouverture d'effectuer un équilibrage de la charge et d'établir une connexion via la carte suiveuse appropriée.

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