Re: [mpls] Way two progress two mldp draft with an technical overlap

[Yakov Rekhter <[e-mail]>]

Loa,

> >> Yacov,
> >>
> >> I can't see that this flies! In fact it is counter to the wg chair
> >> proposal. We intended to keep the overlap as small as possible,
> >> specify a function in the document that needs the function. We did
> >> not intend to increase the overlap, but keep it as small as possible.
> >>
> >> You have this already neatly specified in draft-rekhter- let it stay
> >> there.
> >
> > I am fine with keeping the encoding and the procedures for the two
> > new mLDP TLVs: Transit IPv4 Shared Tree TLV, and Transit IPv6 Shared
> > Tree TLV in draft-rekhter-mpls-pim-sm-over-mldp.
> >
> > However, I have a question on the following:
> >
> >    2.  Assuming that the drafts are adopted, complete
> >    draft-wijnands-mpls-in-band-wildcard-encoding as the
> >    normative protocol specification of the piece within the
> >    overlap.
> >
> > What do you define as "the overlap" ?
> >
> > Yakov.
> 
> Yakov and Ice,
> 
> I'm sorry that I left the two draft hanging in a no mans land for
> such a long time, other than traveling, being busy with other working
> group issues, and having to do a couple of restarts there are no excuse.
> 
> Yakov,
> 
> It is my understanding that the overlap is summed up in the following
> text from draft-rekhter:
> 
>    "This document also identifies the deployment scenarios where BGP
>     Source Active auto-discovery routes will not be used."
> 
> More specifically, the overlap is the case where the service provider
> has provisioned the network in such a way that the RP for a particular
> group G is always between the receivers and the sources.  If the
> network is provisioned that way, the ingress PE for (S,G) is always
> the same as the ingress PE for the RP, so the SA A-D routes are never
> needed.
> 
> Draft-rekhter should be scoped to the case where the network is not
> known to be provisioned in this way.

Could you please propose the text that you'd like meto insert in
draft-rekhter ?

Yakov.