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Re: Optical Crossconnects and IP
- From: Vijay Gill
- Date: Sun May 14 18:14:31 2000
On Sun, 14 May 2000, Danny McPherson wrote:
> Indeed. Especially considering the potential introduction of transient
> fowarding loops when attempting to utilize pre-computed backup "links"
> in a vanilla DA-based packet-switched network.
I don't care about transient loop induction while in the process of
converging. That problem is much harder to solve. What I do care about is
a table like the following handed to the NOC/operational folks.
In case link A is down:
If nothing else is wrong: type in the following.....
If link B is down: type in the following.....
If link C is also down: type in the following...
If link C is down, but B is up .....
I sense combinatorials and other unpleasantness lurking.