Routing control system, routing control device, transfer device and routing control method
First Claim
1. A routing control system comprising:
- transfer devices that perform transfer control processing, and a routing control device to which said transfer devices are connected, wherein said routing control device has routing control information and transmits the routing control information to said transfer devices, and said transfer devices perform said transfer control processing of packets based on said routing control information transmitted from said routing control device.
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Abstract
An object of the present invention is to provide routing control system, routing control device, transfer device and routing control method, whereby the function of transfer devices can be more simplified and more efficient, and the transfer routes of packets can be grasped and designated appropriately. The communication system includes a plurality of transfer devices R1-R6 and a routing control device. The routing control device has a routing control table and transmits, as routing control information, information regarding the initial transfer device and cost contained in a corresponding entry of the routing control table, to a transfer device which requests transmission of routing control information. The routing control information is transmitted thereto from the routing control device, thereby each of the transfer devices R1-R6 can execute packet routing processing based on the routing control information. If each of the transfer devices R1-R6 has no routing control information, it requests transmission of the routing control information from the routing control device.
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Citations
16 Claims
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1. A routing control system comprising:
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transfer devices that perform transfer control processing, and a routing control device to which said transfer devices are connected, wherein said routing control device has routing control information and transmits the routing control information to said transfer devices, and said transfer devices perform said transfer control processing of packets based on said routing control information transmitted from said routing control device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A routing control method,
wherein transfer devices that perform transfer control processing and a routing control device to which the transfer devices are connected are employed, said routing control device transmits the routing control information which is possessed by itself, to said transfer devices, and said transfer devices perform said transfer control processing of packets based on said routing control information transmitted from said routing control device.
- 9. A routing control device to which transfer devices that perform transfer control processing are connected, wherein said routing control device has routing control information relating to packet transfer routes and transmits the routing control information to said transfer devices.
- 14. A transfer device that performs transfer control processing, wherein said transfer device performs said transfer control processing of packets based on routing control information transmitted from a routing control device that is connected therewith.
Specification