5.14. SDN implementation of Dijkstra’s algorithm. Consider the implementation of Dijkstra’s algorithm in an SDN framework. Which of the following statements are true? (Hint: more than one statement is true.) Group of answer choices a. When executing, Dijkstra’s algorithm will need to send messages to all of the routers to gather their link costs. b. When executing, Dijkstra’s algorithm will use the link-state database that is maintained within the SDN controller. c. When executing, Dijkstra’s algorithm will execute within the operating system of the SDN controller d. When executing, Dijkstra’s algorithm will run as a network control application “on top” on the SDN controller. e. If a router’s forwarding table should be changed as a result of running Dijkstra’s algorithm, the new flow table for that router will be updated by the SDN controller via the southbound API using the Openflow protocol. f. If a router’s forwarding table should be changed as a result of running Dijkstra’s algorithm, the implementation of Dijkstra’s algorithm will determine the routers needing updated flow tables, and send the new flow tables to them directly using the OSPF protocol.
5.14. SDN implementation of Dijkstra’s
Group of answer choices
a. When executing, Dijkstra’s algorithm will need to send messages to all of the routers to gather their link costs.
b. When executing, Dijkstra’s algorithm will use the link-state
c. When executing, Dijkstra’s algorithm will execute within the
d. When executing, Dijkstra’s algorithm will run as a network control application “on top” on the SDN controller.
e. If a router’s forwarding table should be changed as a result of running Dijkstra’s algorithm, the new flow table for that router will be updated by the SDN controller via the southbound API using the Openflow protocol.
f. If a router’s forwarding table should be changed as a result of running Dijkstra’s algorithm, the implementation of Dijkstra’s algorithm will determine the routers needing updated flow tables, and send the new flow tables to them directly using the OSPF protocol.
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