Re: [tcpm] IETF 114 TCPM WG

> On 27. Jul 2022, at 01:08, Susan Hares <shares@ndzh.com> wrote:
> 
> Gyan and Michael: 
>  
> Thank you for working on this NG TCPM Yang model 
>  
> Does “cc” mean configuration or something else? 
Congestion Control. Something like New Reno, CUBIC, DCTCP, BBR, ...

Best regards
Michael
>  
> Sue 
>  
> From: Gyan Mishra <hayabusagsm@gmail.com> 
> Sent: Tuesday, July 26, 2022 6:53 PM
> 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>
> Subject: Re: [tcpm] IETF 114 TCPM WG - NG TCPM Yang Model
>  
>  
> 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
> 
> -- 
> 
> 
> Gyan Mishra
> Network Solutions Architect 
> Email gyan.s.mishra@verizon.com
> M 301 502-1347
> 
>  
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