Camilo,

Responding somewhat late to this thread, but I think that you will find that
the latest updates to the tcpm module addressed most of your concerns, if
not all of them.  The BGP YANG module, as Michael notes below, helped refine
some of the use case scenarios.

The audit was primarily covering how to use authentication.  Some additional
focus on other TCP properties might be worth evaluating.


-- Jeff

On Tue, Jun 21, 2022 at 09:12:36AM +0000, Scharf, Michael wrote:
> Hi Camilo,
> 
> There are existing examples for YANG modules that model application-specific 
> configuration for TCP connections, such as:
> 
>   *   draft-ietf-idr-bgp-model
>   *   draft-ietf-netconf-tcp-client-server
> 
> I would assume that BMP could be modeled like that.
> 
> Note that the model for TCP-AO authentication has changed in 
> draft-ietf-tcpm-yang-tcp-07 because of last call comments, i.e., some model 
> aspects can still be subject to change.
> 
> Michael
> 
> From: Camilo Cardona <cam...@gin.ntt.net>
> Sent: Friday, June 17, 2022 4:37 PM
> To: Scharf, Michael <michael.sch...@hs-esslingen.de>; 
> draft-ietf-tcpm-yang-tcp.auth...@ietf.org; draft-ietf-tcpm-yang-...@ietf.org
> Cc: t...@ietf.org; grow@ietf.org
> Subject: Re: How to reuse the tcp model in the BMP model - asking for 
> suggestions
> 
> 
> Hello Michael,
> 
> 
> 
> First of all, thanks for considering our questions and letting us know about 
> this new version.
> 
> 
> 
> Please keep in mind that the BMP model draft is in very early stages, not 
> even a WG draft yet, it might change in the future. So, we apologise if we 
> cannot give you exact requirements.
> 
> 
> 
> Having said that, it will feasible that the model will need to include 
> multiple TCP configurations. Defining the connection might be specific to the 
> application, but BMP requires other  features like authentication, MSS, 
> keepalives which seem general enough. What we wanted was to leverage other 
> model for this, if existing.
> 
> 
> 
> Thus, I guess the most general question we can make is , How is the 
> recommended way of reusing the tcp model?
> 
> 
> 
> Thanks,
> 
> Camilo Cardona

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