[openstack-dev] [all] [tc] [PTL] Cascading vs. Cells – summit recap and move forward

Joe Gordon joe.gordon0 at gmail.com
Fri Dec 12 18:30:07 UTC 2014

On Fri, Dec 12, 2014 at 6:50 AM, Russell Bryant <rbryant at redhat.com> wrote:

> On 12/11/2014 12:55 PM, Andrew Laski wrote:
> > Cells can handle a single API on top of globally distributed DCs.  I
> > have spoken with a group that is doing exactly that.  But it requires
> > that the API is a trusted part of the OpenStack deployments in those
> > distributed DCs.
> And the way the rest of the components fit into that scenario is far
> from clear to me.  Do you consider this more of a "if you can make it
> work, good for you", or something we should aim to be more generally
> supported over time?  Personally, I see the globally distributed
> OpenStack under a single API case much more complex, and worth
> considering out of scope for the short to medium term, at least.
> For me, this discussion boils down to ...
> 1) Do we consider these use cases in scope at all?
> 2) If we consider it in scope, is it enough of a priority to warrant a
> cross-OpenStack push in the near term to work on it?
> 3) If yes to #2, how would we do it?  Cascading, or something built
> around cells?
> I haven't worried about #3 much, because I consider #2 or maybe even #1
> to be a show stopper here.


> --
> Russell Bryant
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