| 摘要 |
In one embodiment, a technique for selecting a topology, in a multi-topology routing network, based on a source-destination pair of a packet is provided. The packet may be routed on a preferred path of the selected topology. By selecting the same topology for the source-destination pair even if the source and destination addresses are swapped, upstream and downstream traffic may be routed in a symmetrical manner. For some embodiments, a topology may be selected using a hash value that is generated using an algorithm that is commutative with respect to the source and destination addresses.
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