On Jul 12, 2016, at 2:43 AM, Cheng, Yingxin <[email protected]> wrote:

> 4. Capabilities are managed/grouped/abstracted by namespaces, and scheduler 
> can make decisions based on either cap_names or cap_namespaces
> 5. Placement service DON’T have any specific knowledge of a capability, it 
> only know the its name, namespaces, its relationship to resource providers. 
> They are used for scheduling, capability management and report.

Thinking about that a bit, it would seem that a host aggregate could also be 
represented as a namespace:name tag. That makes sense, since the fact that a 
host belongs to a particular aggregate is a qualitative aspect of that host.


-- Ed Leafe






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