Arrangement for routing data packets through a circuit switch

Details Arrangement for routing data packets through a circuit switch Arrangement for routing data packets through a circuit switch

H - Electricity

04

L

344/24

H04L 12/56 (2006.01)

Patent

CA 1228145

- 36 - ARRANGEMENT FOR ROUTING DATA PACKETS THROUGH A CIRCUIT WITCH Abstract Disclosed is arrangement for routing data packets designated for a particular destination from a packet switch through a circuit switch. The packet switch includes a plurality of output links connected to the circuit switch and a memory for designating a number of these output links for use to a particular destination. The circuit switch has a plurality of channels to the particular destination and a switching network for connecting an equal number of the multiplex channels to the designated output links, Included in the arrangement is a circuit allocator that monitors the use of each output links designated for use to a particular destination. When the overall use of the designated output links is greater than an upper threshold, the allocator causes the packet switch to increase the number of links designated for use to the particular destination and subsequently causes the circuit switch to correspondingly increase the number of channels connected to the designated output links. The number of designated output links is similarly decreased when the overall use of the output links falls below a lower threshold. A predetermined algorithm is used to determine the upper and lower thresholds for each number of designated output links. (FIG. 1)

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