Re: [Detnet] [Gen-art] Genart last call review of draft-ietf-detnet-data-plane-framework-04

Christer, thanks for your review. Balázs, thanks for your response. I entered a No Objection ballot.

Alissa

> On Apr 16, 2020, at 12:46 PM, Christer Holmberg <christer.holmberg=40ericsson.com@dmarc.ietf.org> wrote:
> 
> Hi Bala'zs,
> 
> The modified text you suggest addresses my issue.
> 
> Thanks!
> 
> Regards,
> 
> Christer
> 
> 
> On 16/04/2020, 14.28, "Balázs Varga A" <balazs.a.varga@ericsson.com> wrote:
> 
>    Hi Christer,
> 
>    No, data plane specification does not cover what protocols are used by service sub-layer and forwarding sub-layer functions.
>    A data plane specification specifies what headers fields are there in the packet and how to use these header fields for a specific 
>    purpose. For instance, in case of DetNet, what fields are used to recognize a DetNet flow (flow ID) and how is the sequence number 
>    encoded and used.
> 
>    A possible clarification is below (text added in brackets to firs sentence). Does it solves your concern?
>    OLD:
>       This document describes the concepts needed by any DetNet data plane
>       specification and provides considerations for any corresponding
>       implementation.  It covers the building blocks that provide the
>       DetNet service, the DetNet service sub-layer and the DetNet
>       forwarding sub-layer functions as described in the DetNet
>       Architecture.
> 
>    NEW:
>       This document describes the concepts needed by any DetNet data plane
>       specification (i.e., the DetNet-specific use of packet header fields) and 
>       provides considerations for any corresponding
>       implementation.  It covers the building blocks that provide the
>       DetNet service, the DetNet service sub-layer and the DetNet
>       forwarding sub-layer functions as described in the DetNet
>       Architecture.
> 
>    Thanks
>    Bala'zs
> 
>    -----Original Message-----
>    From: Christer Holmberg <christer.holmberg@ericsson.com> 
>    Sent: Wednesday, April 15, 2020 11:19 PM
>    To: Balázs Varga A <balazs.a.varga@ericsson.com>; gen-art@ietf.org
>    Cc: last-call@ietf.org; draft-ietf-detnet-data-plane-framework.all@ietf.org; detnet@ietf.org
>    Subject: Re: Genart last call review of draft-ietf-detnet-data-plane-framework-04
> 
>    Hi Bala'zs,
> 
>    Thank you for the reply and clarifications. I still have a question on Q2.
> 
>    ...
> 
>        Q2:
> 
>>> The first line of the 2nd paragraph of the Introduction says:
>>> 
>>> “This document describes the concepts needed by any DetNet data plane specification…”
>>> 
>>> What is meant by DetNet data plane specification? The definition of DetNet flows over a specific network technology? Please clarify, or reference if already defined elsewhere.
>> 
>> <BV> Data plane documents focuses how DetNet packets are recognized and served according to DetNet service and forwarding sub-layer functions. 
>> The next sentence is intended to clarify that.
> 
>        The next sentence is fine. It is just a little unclear to me what the definition of DetNet data plane specification actually is. Is it a specification that 
>        defines the combination of service sub-layer using protocol X and forwarding sub-layer using protocol Y?
> 
> 
>    Regards,
> 
>    Christer    
> 
> 
> 
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