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SCALABLE REACHABILITY FOR MOVABLE DESTINATIONS ATTACHED TO A LEAF-SPINE SWITCHING ARCHITECTURE
SCALABLE REACHABILITY FOR MOVABLE DESTINATIONS ATTACHED TO A LEAF-SPINE SWITCHING ARCHITECTURE
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机译:可移动到达叶脊柱切换架构的可移动目的地的可扩展性
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摘要
In one embodiment, a method comprises: determining, by a network switching device, whether the network switching device is configured as one of multiple leaf network switching devices, one of multiple Top-of-Fabric (ToF) switching devices, or one of multiple intermediate switching devices in a switched data network having a leaf-spine switching architecture; if configured as a leaf switching device, limiting flooding of an advertisement only to a subset of the intermediate switching devices in response to detecting a mobile destination is reachable; if configured as an intermediate switching device, flooding the advertisement, received from any one of the leaf network switching devices, to connected ToF switching devices without installing any routing information specified within the advertisement; if configured as a ToF switching device, installing from the flooded advertisement the routing information and tunneling a data packet, destined for the mobile destination, to the leaf switching device having transmitted the advertisement.
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