Decision-making route control system and decision-making route controlling method
First Claim
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1. A decision-making route control system comprising:
- monitoring means for monitoring a state of a network to collect route information and decision elements for decision making;
judging means for judging a route switching based on the route information, the decision elements, and predetermined decision conditions;
a decision-making judging computer including controlling means for outputting a route judged by the judging means as control information;
a route generating router for replacing the control information with route switching information to output the route switching information; and
a route propagating router having a routing table, and executing route propagation to a sender router based on routing information in the routing table and route switching information transferred from the route generating router.
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Abstract
In a decision-making route control system, an IP network is constructed by using the routing protocol, and general protocols of SNMP and ICMP. Thus, the route can be switched at the time of route trouble and under particular conditions without arrangement of particular routers by monitoring a state of a network system or a computer previously decided as the monitored object.
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Citations
14 Claims
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1. A decision-making route control system comprising:
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monitoring means for monitoring a state of a network to collect route information and decision elements for decision making;
judging means for judging a route switching based on the route information, the decision elements, and predetermined decision conditions;
a decision-making judging computer including controlling means for outputting a route judged by the judging means as control information;
a route generating router for replacing the control information with route switching information to output the route switching information; and
a route propagating router having a routing table, and executing route propagation to a sender router based on routing information in the routing table and route switching information transferred from the route generating router. - View Dependent Claims (2, 3, 4, 5)
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6. A decision-making route control system comprising:
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monitoring means for monitoring a state of a network to collect route information and decision elements for decision making;
judging means for judging a route switching based on the route information, the decision elements, and predetermined decision conditions;
a decision-making judging computer including controlling means for outputting a route judged by the judging means as control information;
a route update logical network connecting router for switching a route from a first route side to a second route side in updating the route; and
a logical network connecting router having route information and a routing table, and executing route propagation to a sender router by reflecting route information on the routing table based on control information transferred from the controlling means, and having a relaying function for relaying information to a first route or a second route in compliance with a route valid/invalid situation transferred from the controlling means based on a network management protocol. - View Dependent Claims (7, 8, 9)
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10. A decision-making route control system comprising:
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monitoring means for monitoring a state of a network to collect route information and decision elements for decision making;
judging means for judging a route switching based on the route information, the decision elements, and predetermined decision conditions;
a decision-making judging computer including a controlling means for outputting a route judged by the judging means as control information;
a control information converting router for replacing the control information transferred from the controlling means to output it; and
a route propagating router having a routing table, and executing route propagation to a sender router based on the control information transferred from the control information converting router and routing information in the routing table. - View Dependent Claims (11)
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12. A decision-making route controlling method comprising the steps of:
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monitoring a state of a network to collect route information and decision elements for decision making;
judging a route switching based on collected information and predetermined decision conditions;
outputting a route valid/invalid situation of a judged route to a route generating router based on a network management protocol;
replacing the route valid/invalid situation transferred based on the network management protocol with route switching information based on a routing protocol;
outputting replaced route switching information to a route propagating router; and
executing route propagation to a sender router based on the route switching information and routing information in a routing table.
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13. A decision-making route controlling method comprising the steps of:
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monitoring a state of a network to collect route information and decision elements for decision making;
judging a route switching based on collected information and predetermined decision conditions;
outputting a route valid/invalid situation of a judged route to a logical network connecting router based on a network management protocol;
replacing the route valid/invalid situation transferred by the network management protocol with route switching information based on a routing protocol;
executing route propagation to a sender router based on replaced route switching information and routing information in a routing table; and
selecting a relay to a first route or a second route according to the route valid/invalid situation.
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14. A decision-making route controlling method comprising the steps of:
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monitoring a state of a network to collect route information and decision elements for decision making;
judging a route switching based on collected information and predetermined decision conditions;
outputting a route valid/invalid situation of a judged route to a route propagating router based on a routing protocol;
replacing a sender address of control information transferred by the routing protocol and relaying it to the route propagating router; and
executing route propagation to a sender router based on control information and routing information in a routing table.
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Specification