Re: [Idr] I-D Action: draft-ietf-idr-bgp-model-06.txt

[<[e-mail]>]

Hi Jeff,

> - what's the difference between hold-time and hold-time-configured (same for keepalive) as both are configurable leaves ? Do you have a min-holdtime option which is deployed and very useful ?

[JH] Generally a negotiated value vs. the configured value.  Similar issue in BGP
MIB.

[SLI] In this case, IMO the negotiated value should be a RO value.

Brgds,

-----Original Message-----
From: Jeffrey Haas [mailto:[e-mail]] 
Sent: Friday, June 14, 2019 17:52
To: LITKOWSKI Stephane OBS/OINIS
Cc: [e-mail]
Subject: Re: [Idr] I-D Action: draft-ietf-idr-bgp-model-06.txt

[Not speaking for the authors, but I've done a recent initial review.
Definitely needs more work.]

Stephane,


On Fri, Jun 14, 2019 at 01:56:20PM +0000, [e-mail] wrote:
> - LLGR is missing while useful and deployed

LLGR isn't even an IDR draft right now.  It's not really appropriate to have
in the base yang module for BGP.

This rather goes back to a conversation I had some years ago: IDR must
decide what the "base" features of BGP are.  Things like route reflection,
confederations, damping, aigp, etc. are included in the module in spite of
the fact that they are completely *optional* extensions to 4271.

This is thus not the RFC 4271 yang module.  How much beyond that we should
go is an interesting question.

But for things that haven't even hit RFC, we should certainly keep them out
as extensions until then.

> - what's the difference between hold-time and hold-time-configured (same for keepalive) as both are configurable leaves ? Do you have a min-holdtime option which is deployed and very useful ?

Generally a negotiated value vs. the configured value.  Similar issue in BGP
MIB.

-- Jeff

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