The diffusing update algorithm (DUAL) is the algorithm used by Cisco's EIGRP routing protocol to ensure that a given route is recalculated globally whenever it might cause a routing loop. It was developed by J.J. Garcia-Luna-Aceves at SRI International. The full name of the algorithm is DUAL finite-state machine (DUAL FSM). EIGRP is responsible for the routing within an autonomous system, and DUAL responds to changes in the routing topology and dynamically adjusts the routing tables of the router automatically.
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| - Diffusing Update Algorithm (de)
- Diffusing Update Algorithm (es)
- Diffusing update algorithm (en)
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| - Der Diffusing Update Algorithm (kurz DUAL) ist eine Komponente des ursprünglich proprietären Routing-Protokolls EIGRP der Firma Cisco. Er ist zuständig für die Routenberechnung. Der von Cisco angegebene vollständige Name des Algorithmus ist "DUAL finite-state machine" (DUAL FSM). Mittels DUAL wird bei Benutzung von EIGRP ein schleifenfreies (loop-free) Routing innerhalb eines autonomen Systems erstellt. DUAL reagiert auf Veränderungen innerhalb der Routingtopologie dynamisch und passt die Routingtabellen der Router automatisch auf veränderte Gegebenheiten an. (de)
- DUAL (por sus siglas en inglés Diffusing Update Algorithm) es un algoritmo para la actualización de rutas usado por el protocolo de enrutamiento EIGRP, gracias al cual se logra su excepcional y rápida convergencia de red.Este algoritmo utiliza la tabla de vecinos y la tabla de topología para desarrollar la tabla de enrutamiento en el router EIGRP. (es)
- The diffusing update algorithm (DUAL) is the algorithm used by Cisco's EIGRP routing protocol to ensure that a given route is recalculated globally whenever it might cause a routing loop. It was developed by J.J. Garcia-Luna-Aceves at SRI International. The full name of the algorithm is DUAL finite-state machine (DUAL FSM). EIGRP is responsible for the routing within an autonomous system, and DUAL responds to changes in the routing topology and dynamically adjusts the routing tables of the router automatically. (en)
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| - Der Diffusing Update Algorithm (kurz DUAL) ist eine Komponente des ursprünglich proprietären Routing-Protokolls EIGRP der Firma Cisco. Er ist zuständig für die Routenberechnung. Der von Cisco angegebene vollständige Name des Algorithmus ist "DUAL finite-state machine" (DUAL FSM). Mittels DUAL wird bei Benutzung von EIGRP ein schleifenfreies (loop-free) Routing innerhalb eines autonomen Systems erstellt. DUAL reagiert auf Veränderungen innerhalb der Routingtopologie dynamisch und passt die Routingtabellen der Router automatisch auf veränderte Gegebenheiten an. (de)
- The diffusing update algorithm (DUAL) is the algorithm used by Cisco's EIGRP routing protocol to ensure that a given route is recalculated globally whenever it might cause a routing loop. It was developed by J.J. Garcia-Luna-Aceves at SRI International. The full name of the algorithm is DUAL finite-state machine (DUAL FSM). EIGRP is responsible for the routing within an autonomous system, and DUAL responds to changes in the routing topology and dynamically adjusts the routing tables of the router automatically. EIGRP uses a feasibility condition to ensure that only loop-free routes are ever selected. The feasibility condition is conservative: when the condition is true, no loops can occur, but the condition might under some circumstances reject all routes to a destination although some are loop-free. When no feasible route to a destination is available, the DUAL algorithm invokes a diffusing computation to ensure that all traces of the problematic route are eliminated from the network. At which point the normal Bellman–Ford algorithm is used to recover a new route. (en)
- DUAL (por sus siglas en inglés Diffusing Update Algorithm) es un algoritmo para la actualización de rutas usado por el protocolo de enrutamiento EIGRP, gracias al cual se logra su excepcional y rápida convergencia de red.Este algoritmo utiliza la tabla de vecinos y la tabla de topología para desarrollar la tabla de enrutamiento en el router EIGRP. (es)
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