Re: [spring] I-D Action: draft-previdi-spring-problem-statement-02.txt

[Yakov Rekhter <[e-mail]>]

Stefano,

> >>>> this is the new version of the problem-statement draft incorporating 
> >>>> the latest comments.
> >>> 
> >>> Section 5.1.1.2 is clearly an improvement over what was in the
> >>> previous version, although some text is still problematic.
> >>> Specifically, "C only installs the path via AS2 in its RIB." If it
> >>> is the Adj-RIB-Out, then C wouldn't be able to advertise the path
> >>> via AS3 inside AS1 (as this path is not in the Adj-RIB-Out).  And
> >>> if it is the Loc-RIB, then the Adj-RIB-Out would have only the path
> >>> via AS2 (as the Adj-RIB-Out is populated from the Loc-RIB), and C
> >>> would not be able to advertise the path via AS3 inside AS1. Either
> >>> way, this would contradict the assumption that "C propagates all
> >>> the paths to Z within AS1 (add-path)."
> >> 
> >> 
> >> I'll address your BGP concerns on a separate thread.
> > 
> > The only problem with the text in 5.1.1.2 in the -02 version of the
> > draft is the following sentence "C only installs the path via AS2
> > in its RIB." To fix to this problem the sentence should say that
> > "C may install in its FIB only the route via AS2, or only the route
> > via AS3, or both." The rest of the text in 5.1.1.2 in the -02 version
> > is ok.
> > 
> > Instead, section 5.1.1.2 in the -03 version of the draft contains
> > completely different text, which brings up a whole bunch of new
> > questions.
> > 
> > To facilitate timely progress of this document I would suggest to
> > replace the new text in 5.1.1.2 with the text that was there in the
> > -02 version plus the fix I suggested above.
> 
> if you feel your concerns were better addressed by the previous 
> text (with your modification), I don't mind put it back so to 
> make progress with the draft. I'll re-spin the draft tomorrow.

That would be good. Thanks !

Yakov.