Re: [vnfpool] Follow-up question from the BOF

Hi,

As one of the supporters of the idea of not leaving state management out of scope, I am glad to see Richard's proposal and happy to support the idea of exploring a solution able to encompass vendor specific approaches.

Be goode,

On 24 Jul 2014, at 07:47 , Y. Richard Yang <yry@cs.yale.edu<mailto:yry@cs.yale.edu>> wrote:

Martin, Michael,

IPR concerns are valid, but if they are crucial to solve the problem, and the solution provides higher benefit, they could be addressed, right?

Regarding vendor specific solution, this is a very good point! Please take a look at approaches such as merge/split. They allow vendor specific packaging of NF state. Hence, transfers of state can be only among NFs of the same vendor. The advance, however, is that at least the controller can be different from the NF vendors. This is a good progress, in my view. Make sense?

Richard

On Jul 24, 2014 7:09 AM, "Michael Tuexen" <Michael.Tuexen@lurchi.franken.de<mailto:Michael.Tuexen@lurchi.franken.de>> wrote:

On 24 Jul 2014, at 06:54, Martin Stiemerling <mls.ietf@gmail.com<mailto:mls.ietf@gmail.com>> wrote:

> Hi Richard,
>
> Am 22.07.14 um 17:34 schrieb Y. Richard Yang:
>> Hi Martin,
>>
>> Here is one point. One constraint of the proposed work, in my view, is
>> that the scope does not consider state management. Most useful NFs are
>> stateful. Hence, removing state management from the scope is not ideal,
>> and hence is a limit. There is interesting recent progress in generic,
>> reusable NF state management, such as Merge/Split
>> (https://www.usenix.org/system/files/conference/nsdi13/nsdi13-final205.pdf).
>> If this is included, I believe that the group can develop a lot more
>> more solutions.
>
> state management is an interesting topic, but there has been explicit community feedback during the first bof that this is not something the potential wg should be working on, as this is very vendor specific.
... and there are most likely a lot IPRs... That was one of the reasons
state sharing was excluded from the scope of RSerPool...

Best regards
Michael
>
>  Martin
>
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