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The simplest explanation is that Cells gives you a way to tie multiple nova deployments together under a single API.  Each cell has its own DB and Rabbit, etc.

This was my preso from the last summit:

http://comstud.com/FolsomCells.pdf

Start of diagrams:

http://comstud.com/cells.pdf

- Chris


On Oct 2, 2012, at 11:09 PM, Endre Karlson <endre.karlson at gmail.com> wrote:

> What is a cell contra Aggregate or Zone?
> 
> Den 3. okt. 2012 07:46 skrev "Chris Behrens" <cbehrens at codestud.com> følgende:
> Yup… looking forward to seeing those contributions!   I'm working on getting the branch updated right now.
> 
> - Chris
> 
> 
> On Oct 2, 2012, at 10:13 PM, Sam Morrison <sorrison at gmail.com> wrote:
> 
> > OK great, will be good to get this into master. I have some stuff relating to key pairs, security groups that I'd like to contribute.
> >
> > Also we are looking at the ability for you to specify the cell when booting an instance.
> >
> > Cheers,
> > Sam
> >
> >
> > On 02/10/2012, at 1:06 PM, Chris Behrens <cbehrens at codestud.com> wrote:
> >
> >> Yup, it's done.  I just have to deal with some conflicts with our internal branch and my public one..
> >>
> >>
> >> On Oct 1, 2012, at 7:47 PM, Sam Morrison <sorrison at gmail.com> wrote:
> >>
> >>> On 02/10/2012, at 12:33 PM, Chris Behrens <cbehrens at codestud.com> wrote:
> >>>
> >>>> Thanks, Tom!  I have changes to push up that add rpc versioning, etc.  Maybe I can get those up tomorrow.
> >>>
> >>> Great! I was going to start looking into it but will hold off if
> >>> you've already done it.
> >>>
> >>> Cheers,
> >>> Sam
> >>
> >
> 
> 
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