Robert,

> > So, can we PLEASE stop beating a dead horse?
> 
> Are you stating that computing dynamic flooding topologies has no use case 
> outside of MSDCs or for that matter ANY-DCs ? 


There may be a zillion use cases. But there is not critical mass for deploying 
this feature or other flooding reduction features. The time to solve this 
problem was back BEFORE people decided to repurpose BGP to solve their 
problems.  Now, it’s a classic ‘installed base’ problem. People will only 
consider alternatives if an alternative path represents less pain than the 
established path. We’re not there. BGP wins.


> PS. It is true that folks even running 10 racks think BGP is the only choice 
> for the underlay but to me this is failure of deployment folks in vendors to 
> properly position each dynamic routing protocol then nothing else. 


Well, we can blame marketing all we want.  All I know is that we, as a group, 
failed to come together and present a unified front with interoperable 
implementations. That left us in a position where marketing is pushing rocks up 
hills and customers are waiting for the dust to settle. 

T

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