[openstack-dev] [nova][neutron][devstack] New proposed 'default' network model

Armando M. armamig at gmail.com
Tue Sep 15 23:19:09 UTC 2015


On 15 September 2015 at 14:04, Mike Spreitzer <mspreitz at us.ibm.com> wrote:

> "Armando M." <armamig at gmail.com> wrote on 09/15/2015 03:50:24 PM:
>
> > On 15 September 2015 at 10:02, Doug Hellmann <doug at doughellmann.com>
> wrote:
> > Excerpts from Armando M.'s message of 2015-09-15 09:30:35 -0700:
> ...
> > As with the Glance image upload API discussion, this is an example
> > of an extremely common use case that is either complex for the end
> > user or for which they have to know something about the deployment
> > in order to do it at all. The usability of an OpenStack cloud running
> > neutron would be enhanced greatly if there was a simple, clear, way
> > for the user to get a new VM with a public IP on any cloud without
> > multiple steps on their part.
>
> <<<<<<end of excerpt from Armando>>>>>>
>
> ...
> >
> > So this boils down to: in light of the possible ways of providing VM
> > connectivity, how can we make a choice on the user's behalf? Can we
> > assume that he/she always want a publicly facing VM connected to
> > Internet? The answer is 'no'.
>
> While it may be true that in some deployments there is no good way for the
> code to choose, I think that is not the end of the story here.  The
> motivation to do this is that in *some* deployments there *is* a good way
> for the code to figure out what to do.


Agreed, I wasn't dismissing this entirely. I was simply saying that if we
don't put constraints in place it's difficult to come up with a good
'default' answer.


>
>
> Regards,
> Mike
>
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