Alex,
Thanks, I missed that. But, now that I see how it is meant
(in what context), I wonder that the same action is not expected
if a C-PSR receives a Non-Preferred BSM from a P-BSR. Or is it
the case that the P-BSR state is so temporary that a C-BSR would
treat a likely P-BSR as if it is already the elected BSR?
When I read the event, I was not clear on the context - i.e.
- "non-preferred" with respect to what? If the "non-preferred" is
with respect to the local C-BSR, then I think it should also be an
argument that the same transistion (C-BSR -> P-BSR) should apply
in receiving a non-preferred BSM from a current P-BSR.
This is pretty murky, since we appear to be trying to guess
the transition that should be occuring in a peer. Does the elected
BSR that sent the non-preferred BSM know that it is no-longer the
elected BSR, or is that transition assumed to take place when it
receives a reciprocal (assumed symmetric) preferred BSM from the
local BSR? Would the same apply if that BSR were still in the
temporary P-BSR state?
Possibly these things are clear to people who've followed the
discussion-history, but the answers to these questions don't jump
out at me...
Thanks!
--
Eric Gray
Principal Engineer
Ericsson
> -----Original Message-----
> From: Alexander Gall [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, March 14, 2007 8:55 AM
> To: Eric Gray (LO/EUS)
> Cc: Stig Venaas; James Lingard; Nidhi Bhaskar; Bill Fenner;
> [email protected]
> Subject: Re: Gen-ART LC Review of draft-ietf-pim-sm-bsr-10.txt
> Importance: High
>
> Eric,
>
> On Thu, 8 Mar 2007 10:26:40 -0600, "Eric Gray \(LO/EUS\)"
> <[EMAIL PROTECTED]> said:
>
>
> > The interesting event "Receive Non-preferred BSM from Elected BSR"
> > - described on page 16 - is not included in any state-machine
> > description. I assume it is not ignored. Did I miss where the
> > actions and transitions are explained?
>
> This event is referenced in the C-BSR FSM on page 11. It triggers a
> transition from C-BSR state to P-BSR state.
>
> --
> Alex
>
>
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