Open Stack

Andreas Scheuring <scheuran at linux.vnet.ibm.com> wrote:

> Hi everybody,
>
> I stumbled over a definition that explains the difference between a
> Provider network and a self service network. [1]
>
> To summarize it says:
> - Provider Network: primarily uses layer2 services and vlan segmentation
> and cannot be used for advanced services (fwaas,..)
> - Self-service Network: is Neutron configured to use a overlay network
> and supports advanced services (fwaas,..)
>
>
> But my understanding is more like this:
> - Provider Network: The Openstack user needs information about the
> underlying network infrastructure to create a virtual network that
> exactly matches this infrastructure.
>
> - Self service network: The Openstack user can create virtual networks
> without knowledge about the underlaying infrastructure on the data
> network. This can also include vlan networks, if the l2 plugin/agent was
> configured accordingly.
>

I believe your understanding and wording is a lot more in line with  
reality. It also captures main differences, and does not mention advanced  
services that are not really relevant here.

>
> Did the meaning of a provider network change in the meantime, or is my
> understanding just wrong?
>
> Thanks!
>
>
>
>
> [1]
> http://docs.openstack.org/liberty/install-guide-rdo/overview.html#id4
>
>
> -- 
> -----
> Andreas (IRC: scheuran)
>
>
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