[ovs-dev] [PATCH] ovn-architecture: Add notes on L3 gateway HA.

[Russell Bryant]

Thanks for the review.  I applied this to master.

On Wed, Jul 19, 2017 at 4:13 AM, Miguel Angel Ajo Pelayo
<majopela at redhat.com> wrote:
> Sounds great, thank you!
>
> Acked-by: Miguel Angel Ajo <majopela at redhat.com>
>
> On Sun, Jul 16, 2017 at 10:09 PM, Russell Bryant <russell at ovn.org> wrote:
>>
>> Add some comments to the ovn-architecture document that distributed
>> gateway ports can also be made highly available.  Provide a brief
>> overview of the approach and point to the gateway HA design document
>> for a more detailed discussion of the approach taken.
>>
>> Signed-off-by: Russell Bryant <russell at ovn.org>
>> ---
>>  ovn/ovn-architecture.7.xml | 22 ++++++++++++++++++++++
>>  1 file changed, 22 insertions(+)
>>
>> diff --git a/ovn/ovn-architecture.7.xml b/ovn/ovn-architecture.7.xml
>> index e91be8bf6..5f73e2067 100644
>> --- a/ovn/ovn-architecture.7.xml
>> +++ b/ovn/ovn-architecture.7.xml
>> @@ -1341,6 +1341,28 @@
>>      logical patch port representing the distributed gateway port.
>>    </p>
>>
>> +  <h3>High Availability for Distributed Gateway Ports</h3>
>> +
>> +  <p>
>> +    OVN allows you to specify a prioritized list of chassis for a
>> distributed
>> +    gateway port.  This is done by associating multiple
>> +    <code>Gateway_Chassis</code> rows with a
>> <code>Logical_Router_Port</code>
>> +    in the <code>OVN_Northbound</code> database.
>> +  </p>
>> +
>> +  <p>
>> +    When multiple chassis have been specified for a gateway, all chassis
>> that
>> +    may send packets to that gateway will enable BFD on tunnels to all
>> +    configured gateway chassis.  The current master chassis for the
>> gateway
>> +    is the highest priority gateway chassis that is currently viewed as
>> +    active based on BFD status.
>> +  </p>
>> +
>> +  <p>
>> +    For more information on L3 gateway high availability, please refer to
>> +    http://docs.openvswitch.org/en/latest/topics/high-availability.
>> +  </p>
>> +
>>    <h2>Life Cycle of a VTEP gateway</h2>
>>
>>    <p>
>> --
>> 2.13.3
>>
>



-- 
Russell Bryant