| 摘要 |
A router includes unicast protocol engines each receiving a unicast route from an adjacent node, a routing software core which stores the unicast route into trees associated with the unicast protocol engines, selects a best route among unicast routes received by the unicast protocol engines, in accordance with a priority assigned to the unicast protocol engines, and stores the best route into a best route tree, and a kernel which receives the best route from the routing software core to carry out routing control. The routing software core, when a plurality of routes addressed to a common destination is stored into the trees, registers a route retrieved by a unicast protocol engine having a highest priority, into the best route tree as a best route, applies a priority to routes retrieved by other unicast protocol engines, in accordance with a priority assigned to the unicast protocol engines, and registers the routes into the best route tree together with the best route as a best route candidate.
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