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Task #4169
closed
Write unit test to ensure selection of cheapest next-hop
Start date:
07/06/2017
Due date:
% Done:
0%
Estimated time:
Description
Given a topology where router A's neighbor X can reach some prefix P at two destinations D1 and D2, it's important to only register the route in NFD with the minimum cost.
Currently, two NextHops are only considered equal if both the Face URI and the cost are equal. In other cases, when the NextHop is being added to the NextHopList for the FIB, it will use the cheaper of the two costs.
Since this is such an important property of efficient routing, we should have a unit test to verify that this occurs.
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