[openstack-dev] [Neutron] [Docs] Definition of a provider Network

Akihiro Motoki amotoki at gmail.com
Tue Jan 19 14:19:09 UTC 2016

I agree that the current definition can be improved.

"Provider Network" vs "Self service network" highlights who can
provision a network.

In my understanding, "Provider Network" is a network provisioned by
the cloud operator. Practically the operator cannot provision a network
for a tenant, so a single provider network is shared by tenants.

On the other hand, "Self-service network" scenario allows OpenStack users
to provision their own networks.

In the scenario of "provider network", a single network is shared by
multiple tenants.
and network-related Neutron API calls should be disallowed for tenants.
It is reasonable to disallow tenants to provision routers, firewalls
or VPNs as well.
LBaaS can be used.

I hope this helps improve the text.


2016-01-19 16:33 GMT+09:00 Andreas Scheuring <scheuran at linux.vnet.ibm.com>:
> 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.
> 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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