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

Bogdan Dobrelya bdobrelia at mirantis.com
Tue Jan 19 14:31:36 UTC 2016


On 19.01.2016 15:19, Akihiro Motoki wrote:
> I agree that the current definition can be improved.

Here is a docs bug [0]

[0] https://bugs.launchpad.net/fuel/+bug/1513421

> 
> "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.
> 
> Akihiro
> 
> 
> 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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-- 
Best regards,
Bogdan Dobrelya,
Irc #bogdando



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