[Engine-devel] Bridgeless Networks api design

[Roy Golan]

----- Original Message -----
> From: "Itamar Heim" <iheim at redhat.com>
> To: "Yaniv Kaul" <ykaul at redhat.com>
> Cc: engine-devel at ovirt.org
> Sent: Sunday, March 18, 2012 2:31:45 PM
> Subject: Re: [Engine-devel] Bridgeless Networks api design
> 
> On 03/18/2012 11:27 AM, Yaniv Kaul wrote:
> > On 03/18/2012 10:43 AM, Michael Pasternak wrote:
> >> On 03/18/2012 10:21 AM, Itamar Heim wrote:
> >>> On 03/18/2012 09:33 AM, Michael Pasternak wrote:
> >>>> the question is Management/Migration/Storage/Display can be
> >>>> non-bridged?, if so,
> >>>> <bridged>true|false</bridged> makes sense.
> >>> bridge is an implementation detail at host level, hence the
> >>> discussion is about abstracting it from users.
> >>> a VM network doesn't have to have bridge at host level, for
> >>> networks
> >>> using VMFex or SR-IOV
> >> <network>
> >> <designation>Management|Migration|Storage|Display|VM</designation>
> >> </network>
> >>
> >> what do you say about having it as another /designation/ type?
> >>
> >
> > Not sure I understand: Management can be bridge-less, Migration can
> > be
> > bridge-less, Storage can be bridge-less, Display can be
> > bridge-less, VM
> > is the only that perhaps today cannot be bridge-less, so I do think
> > that
> > '<bridged>true|false</bridged>' makes some sense. However, I'd
> > generalize it to 'attachment' as I believe we'll have other types
> > in the
> > future (Macvtap, SRIOV and friends), so something like
> > <attachment>bridge|sriov|macvtap|...</attachment>
> > Y.
> >
> 
> attachment would be at physical host level and could vary from host
> to host.
> this is about intended allowed usages of the logical network across
> the
> system

we should probably have a set of, so called, "usages" and not a single one. It should give enough 
flexibility for future usages with an easy upgrade.

something like:

<network>
 <usages>management,display,VM</usages>
<network>

or:

 <network>
  <usages>
   <usage>management</usage>
   <usage>display</usage>
   <usage>VM</usage>
  </usages>
 </network>

 

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