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Re: [tcpm] IETF 114 TCPM WG - NG TCPM Yang Model

Gyan Mishra <hayabusagsm@gmail.com> Tue, 26 July 2022 22:53 UTC

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From: Gyan Mishra <hayabusagsm@gmail.com>
Date: Tue, 26 Jul 2022 18:53:00 -0400
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To: Michael Tuexen <michael.tuexen@lurchi.franken.de>
Cc: Jeffrey Haas <jhaas@pfrc.org>, Joe Touch <touch@strayalpha.com>, Robert Raszuk <robert@raszuk.net>, "Scharf, Michael" <Michael.Scharf@hs-esslingen.de>, Susan Hares <shares@ndzh.com>, "Van De Velde, Gunter (Nokia - BE/Antwerp)" <gunter.van_de_velde@nokia.com>, tcpm IETF list <tcpm@ietf.org>
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Subject: Re: [tcpm] IETF 114 TCPM WG - NG TCPM Yang Model
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Hi Michael

In-line

Kind Regards

Gyan

On Tue, Jul 26, 2022 at 6:19 PM Michael Tuexen <
michael.tuexen@lurchi.franken.de> wrote:

> >
> >
> > Dear TCPM
> >
> > Attached is the slide deck for the NG TCP Yang model discussion.
> >
> > Sue, Robert, Jeff, Gunter
> >
> > Please review and let me know if I missed any talking points for the NG
> TCP Yang model.
> A couple of clarifying questions related to slide "What to add to NG TCP
> Yang Model?",
> especially since I know almost nothing about YANG:
>
> • All TCP states part of the FSM state machine.
> Understood.


     Ack

>
> • All TCP flags and respective states.
> Do you mean the TCP flags SYN, FIN, PSH, ... Does a YANG module all to
> describe
> packets sent and received?
> • All TCP parameters that would be accessible with a local OS kernel hook.
> Doesn't that mean the complete set of state variable the kernel has and
> isn't that implementation dependent?


     Yes

>
> • All windowing parameters including window scaling as well as any
> windowing related optimizations.
> You mean the receiver window including the window scaling.


     Yes

>
> • All TCP options and optimizations set such as Selective ACK.
> I guess you mean the set of TCP extensions which have been negotiated.


    Yes

>
> • All TCP slow start congestion control parameters CWIN etc.
> There are a multiple Congestion Controls, even ones not being specified by
> the IETF.


    Yes

>
> So this might get very hard to do. Or do you require a specific CC when
> using TCP for BGP?
>

    What is CC ? Let’s discuss this on Friday

>
> Best regards
> Michael
> >
> > Thanks
> >
> > Gyan
> >
> > ---------- Forwarded message ---------
> > From: Mishra, Gyan S <gyan.s.mishra@verizon.com>
> > Date: Mon, Jul 25, 2022 at 11:36 PM
> > Subject: IETF 114 TCPM WG - NG TCPM Yang Model
> > To: Hayabusanew <hayabusagsm@gmail.com>
> >
> >
> > --
> >
> >
> > Gyan Mishra
> > Network Solutions Architect
> > Email gyan.s.mishra@verizon.com
> > M 301 502-1347
> >
> >
> > <IETF-114 TCPM TCP Yang
> Model.pdf>_______________________________________________
> > tcpm mailing list
> > tcpm@ietf.org
> > https://www.ietf.org/mailman/listinfo/tcpm
>
> --

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*Gyan Mishra*

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*Email gyan.s.mishra@verizon.com <gyan.s.mishra@verizon.com>*



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