On Tue, Jul 22, 2025 at 3:17 PM Acee Lindem <[email protected]> wrote:

>
>
> > On Jul 22, 2025, at 8:13 AM, Tony Przygienda <[email protected]>
> wrote:
> >
> > 1. yes, this needs work for the archeological ASCII support ;-) on out
> plate
> > 2. fine, no issue with "non-prunner" and we can use N and N| for it.
> > 3. per Tony Li
> > 4. a CDS will be always computed, either in a distributed fashion or a
> centralized fashion. If an algorithm doesn't compute CDS somehow how will
> it know it doesn't partition the component, Acee?  And as 3., CDS is a well
> known graph theory term, in fact I'm already loose in the language since
> it's a edge connected dominating set
> https://en.wikipedia.org/wiki/Connected_dominating_set
>
> I know very well what a CDS and this is why I suggested "CPS" rather than
> "component". One could argue that the CPS is not a unidirected and hence
> not a "component" since the routers on either side of the edges the CPS
> sub-graph must support the same flooding algorithm.
>
> I still think CDS is orthogonal to CPS in this context since the CPS is a
> set of routers running the same flooding algorithm and CDS is the set of
> routers that are required to flood in a class of flooding algorithms. You
> could have a simpler flooding algorithm that don't require CDS computation
> but simply uses a heuristic to determine who floods and who waits to see if
> they get the LSP from their neighbor. Anyway, I guess it doesn't hurt that
> much to leave it in the document.
>

point taken, need to think about it but at first look it's a
differentiation w/o distinction between component and CPS. and what you
describe is another algo to compute a CDS in a distributed fashion to me it
seems ;-)


>
>
> >
> > ---
> >
> > 1. this is how you annotate things in graph theory. there may be
> multiple components running A which is an algorithm and A| is the CDS
> algorithm A builds. standard way is to say A|_1 and A|_2 really but since
> that looks super ugly on ASCII I took the 2nd better choice which is A|'
> and A|''   . Let's not be smarter than 300+ years of mathematicians that
> dealt with that stuff.
>
> Well, if you're looking at the .txt version that most people are reviewing
> in the meeting materials, it doesn't make any sense. With the figure, you
> can discern that A|' and A|'' are separate instances of a CPS running
> flooding algorithm A. However, I'm not sure such a simple concept benefits
> from the "A|" notation. Maybe you could at least add a legend to the figure
> to explain this to those reading it for the first time.
>
> point taken and yes, ascii is shambles for now



> Thanks,
> Acee
>
>
>
>
> > 2. sure
> >
> >
> > --- tony
> >
> > On Tue, Jul 22, 2025 at 12:28 PM Acee Lindem <[email protected]>
> wrote:
> > Speaking as WG member:
> >
> > It seems my comments on this draft continue to go without response. I
> would have hoped that at least some of them would have been addressed
> during WG adoption.
> >
> >    1. The draft is optimized towards _markdown_ and pdf rendering. It is
> should be optimized towards text since that is what everyone is reviewing
> when they download meeting materials.
> >    2. I've given up on not using the term "pruner" for "flooding
> algorithm" as I can tell that there is "pining for pruning". However, for
> no flooding algorithm, please do not use the term "zero pruner" and
> certainly not "zero". Rather use, "no-pruner" or "non-pruner".  In fact,
> the term "zero" may not even meet the IETF requirements for inclusive
> language.
> >    3. The invented term "connected component" is very confusing. We
> already have CDS so why not "CPS"  for "Connected Pruner Set"?
> >    4. While we're talking about CDS, I think that section 2.1.3 is
> orthogonal. There could be simple flooding reduction algorithms that do not
> compute a CDS.
> >
> >
> > Other minor comments:
> >
> >     1. I'm not fond of the terminology of A|, A|', A|'', B|', etc. Is
> this necessary? This could be just be flooding algos (i.e., pruners) A, B,
> and N (for none).
> >     2. Should the "Contributors" section be "Acknowledgements"?
> >
> >
> > Thanks,
> > Acee
> >     _______________________________________________
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>
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