Re: [spring] WGLC - draft-ietf-spring-srv6-network-programming

[Fernando Gont <[e-mail]>]

Martin,

As an Area Director, what are your thoughts regarding Bruno's claim that 
this working group (Spring) doesn't have the necessary skills for 
evaluating the need of a functionality (PSP) that this wg is including 
in draft-ietf-spring-srv6-network-programming?

Specifically, Bruno has noted (in 
https://mailarchive.ietf.org/arch/msg/spring/or8086G4iYfee5_Icw4PnhkPLBo/):

---- cut here ----
Independently of RFC 8200, the question has been raised with regards to 
the benefit of PSP.
My take is that PSP is an optional data plane optimization. Judging its 
level of usefulness is very hardware and implementation dependent. It 
may range anywhere from "not needed" to "required for my platform" 
(deployed if you are network operator, or been sold if you are a 
vendor), with possible intermediate points along "n% packet processing 
gain", or "required when combined with a specific other feature". I 
don't think that the SPRING WG can really evaluate this point (lack of 
hardware knowledge, lack of detailed information on the hardwares).
---- cut here ----


Doesn't this sound a bit like a group is shipping something that it 
cannot really understand?

Thanks,
Fernando




On 2/3/20 15:53, Martin Vigoureux wrote:
> WG,
> 
> as I had indicated in a previous message I am the one evaluating 
> consensus for this WG LC.
> 
> I have carefully read the discussions on the list. I acknowledge that 
> disagreements were expressed regarding what a particular piece of text 
> of RFC 8200 says, and on which this document builds to propose an 
> optional capability. Since RFC 8200 is not a product of the SPRING WG, I 
> have paid specific attention to the messages ([1], [2], and [3]) sent by 
> the responsible AD of 6MAN and of RFC8200.
> 
> My overall conclusion is that there is support and rough consensus to 
> move this document to the next stage.
> 
> Bruno will handle the immediate next steps.
> 
> 
> Martin
> 
> 
> [1] 
> https://mailarchive.ietf.org/arch/msg/spring/67ZG76XRezPXilsP3x339rGpcso/
> [2] 
> https://mailarchive.ietf.org/arch/msg/spring/plidxjZFBnd4_mEzGsLC76FZmQ0/
> [3] 
> https://mailarchive.ietf.org/arch/msg/spring/uBYpxPyyBY6bb86Y2iCh3jSIKBc/
> 
> Le 2019-12-05 à 18:15, [e-mail] a écrit :
>> Hello SPRING,
>>
>> This email starts a two weeks Working Group Last Call on 
>> draft-ietf-spring-srv6-network-programming [1].
>>
>> Please read this document if you haven't read the most recent version, 
>> and send your comments to the SPRING WG list, no later than December 20.
>>
>> You may copy the 6MAN WG for IPv6 related comment, but consider not 
>> duplicating emails on the 6MAN mailing list for the comments which are 
>> only spring specifics.
>>
>> If you are raising a point which you expect will be specifically 
>> debated on the mailing list, consider using a specific email/thread 
>> for this point.
>>
>> This may help avoiding that the thread become specific to this point 
>> and that other points get forgotten (or that the thread get converted 
>> into parallel independent discussions)
>>
>> Thank you,
>>
>> Bruno
>>
>> [1] 
>> https://tools.ietf.org/html/draft-ietf-spring-srv6-network-programming-05
>>
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-- 
Fernando Gont
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