Re: TE metric and graceful restart

[Zafar Ali <zali@cisco.com>]

At 12:58 PM 4/26/2002 -0700, Alex Zinin wrote:
> Zafar,
>
> > One of the things that it'll do that it'll also prevent someone from
> using
> > these links in the Path computation with "0" bandwidth
> (while the node in 
> > question is restarting). In some scenarios, e.g., signaling for a
> backup 
> > tunnel without no bandwidth reservation, a (remote) node may be
> interested 
> > in Paths with "0" bandwidth.
>
> I don't think there's anything in the OSPF & ISIS TE drafts 
> that
> prevents links with max metric from being used in CSPF, so
> it is only more of discouragement, not prevention per se...
> Is this still interesting? 

Dear Alex and Yakov: 

I meant the same. I used the word prevent (if there are alternates
available) in the context of ... by discouraging. Nonetheless, this is an
advantage, IMO. 
Yakov, did you have some other motivation (as well?) in mind? 

Thanks

Regards... Zafar 

> [I guess it might be if CSPF
> has
> two 0-BW paths one through a restarting LSR and another through
> an operational one]...
>
> Alex.
===============
Zafar Ali
Cisco Systems
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