Hi Abhijit
We had tested Li-plugin earlier.. We also ran into stability issues
Bug 4925<https://bugs.opendaylight.org/show_bug.cgi?id=4925> - [Clustering]: 
Openflow connections unstable with Lithium plugin.

We limited our testing on Li-plugin since it was decided to use He-plugin for 
Be release.
Is it possible to validate Li-plugin (performs equal-to-or-better than 
He-plugin) before asking the projects to migrate?

With regards
Ashutosh

From: [email protected] 
[mailto:[email protected]] On Behalf Of Luis 
Gomez
Sent: Friday, February 19, 2016 1:15 PM
To: Abhijit Kumbhare
Cc: [email protected]
Subject: Re: [openflowplugin-dev] OFP-Li and OFP-He in Beryllium SRs

Personally I think it is less risky changing master and if that works, cherry 
pick change to stable/beryllium.

BR/Luis


On Feb 18, 2016, at 6:48 PM, Abhijit Kumbhare 
<[email protected]<mailto:[email protected]>> wrote:

Yes - agree. But the work to add the support for the Lithium design can start 
from the projects side in parallel. We should also explore creative ways to see 
how we can make this easier on the projects:

Since Beryllium has just been released & now the development of most projects 
will shift to the master branch may be we should change the default features to 
be Li version in stable/beryllium and ask projects to see what breaks? Does 
that make sense?

On Thu, Feb 18, 2016 at 2:00 PM, Luis Gomez 
<[email protected]<mailto:[email protected]>> wrote:
Hi ofp devs,

I agree with the plan to move projects to Li design, however I think before 
asking projects to effectively move we have to address few issues here:

1) OF1.0 issue:

https://jenkins.opendaylight.org/releng/view/openflowplugin/job/openflowplugin-csit-1node-flow-services-lithium-redesign-only-beryllium/
https://bugs.opendaylight.org/show_bug.cgi?id=5328

2) Cluster issues:

https://jenkins.opendaylight.org/releng/view/openflowplugin/job/openflowplugin-csit-3node-clustering-only-beryllium/
https://bugs.opendaylight.org/show_bug.cgi?id=5388

3) Stability issues:

https://jenkins.opendaylight.org/releng/view/openflowplugin/job/openflowplugin-csit-1node-periodic-longevity-lithium-redesign-only-beryllium/
https://bugs.opendaylight.org/show_bug.cgi?id=5271

BR/Luis


On Feb 18, 2016, at 12:42 PM, Abhijit Kumbhare 
<[email protected]<mailto:[email protected]>> wrote:

Hideyuki,

Thanks for bringing this topic up! I was planning to initiate a conversation on 
this later today - since the Beryllium release was officially approved today. 
First of all - I think we should dedicate a TWS session for this topic 
regarding the following discussion and feedback:

1. OpenFlow plugin project voted to do the following:
OF Plugin recommends dependent ODL projects to all move to Li plugin design in 
the Be SR 1 timeframe 
(https://lists.opendaylight.org/pipermail/openflowplugin-dev/2016-February/004607.html
 )
2. What do projects see as issues & impediments to move to the Lithium design 
in the SRs (target SR 1) and how the OpenFlow plugin project can address them? 
Example of the issues - your request regarding the stats RPCs.
3. Develop a timeframe for completing this migration based on the 
issues/impediments.
I would like to note that the key requirement from OpenFlow plugin perspective 
is that the Boron development should not be done on two different designs. The 
timeframe should be based on this requirement. Hence OFP thinks it will be 
important to do this change in the SR1 (or SR2 if cannot be managed). This way 
OFP developers can concentrate on the Lithium design during the Boron release 
timeframe (other than occasional high priority bug fixes on Helium design in 
the subsequent SRs). However, we (OFP & dependent projects) will need to work 
together for this timeframe.

I will try to get this topic on the TWS call on Monday (assuming we can get the 
following folks from OFP on Monday (alphabetical order) - Anil Vishnoi, Jozef 
Bazigal, Kamal Rameshan, Michal Rehak & hopefully Muthu/Shuva & Luis.

I think the above answers all of your questions except one:
Do you plan to continuously support the OFP-He of Beryllium until OpenDaylight 
project stops to support Beryllium?
The answer to that is - yes. OpenFlow Plugin has to support OFP-He in Beryllium 
- as per ODL release / deprecation requirements.

Thanks,
Abhijit

On Thu, Feb 18, 2016 at 11:43 AM, Tai, Hideyuki 
<[email protected]<mailto:[email protected]>> wrote:
Hi OpenFlow Plugin project,

Could you share your plan about the migration to the OFP-Li in Beryllium SRs?
Should all projects migrate to the OFP-Li by Beryllium SR1?
Do you plan to continuously support the OFP-He of Beryllium until OpenDaylight 
project stops to support Beryllium?
(In my understanding, OpenDaylight project officially stops to support 
Beryllium (4th) after it releases Carbon (6th).)

If we need to migrate to the OFP-Li by Beryllium SR1, I would like to start to 
test VTN project's features with the OFP-Li as soon as possible.
Though, to migrate the VTN features from OFP-He to OFP-Li, we need the 
"get-stats-.." RPC by default in the OFP-Li as I explained in the following 
mail.
https://lists.opendaylight.org/pipermail/vtn-dev/2016-February/001278.html

Regards,
Hideyuki Tai




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