Tony,

On 30/07/2021 18:54, Tony Li wrote:


imagine you have an application A and B and a link X. You advertise application 
independent metric M on that link X because you want application A to use it.

Application B is also enabled to use the metric M, but you do not want 
application B to use metric M on the link X (because you do not want 
application B to include the link X in its topology). How do you do that 
without ASLA? The answer is you can’t


That’s ok, because doing that would be silly.

If you don’t want application B to use metric M, then you create metric N and 
use that for application B.


well, I find it much less "silly" to signal a per application value of metric M, rather than come up with the new metric type every time a new application appears. Especially considering that we have an ASLA framework already defined in the RFC.

thanks,
Peter





The generic metric is NOT one metric.  It’s a whole host of them.  Plenty to go 
around. Multiple metrics per application, all out of the single space.

Tony




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