On 8/12/2016 4:16 PM, David Allan I wrote: > 4.2 Why I would subnet my overlay could use some explanation. I > normally think of subnetting as a convenient address summarization > technique dependent on topology, and with an overlay I don’t have a > topology.
The topology of an overlay is determined by its tunnels, just as the topology of the underlying net is determined by its links. A subnet in an overlay corresponds either to a single multipoint tunnel or to a set of tunnels that transparently acts as such - just as a subnet in the Internet base network corresponds to a shared access link or a set of links that transparently act as such (e.g., switched ethernet). Joe
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