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North American Network Operators Group

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Re: Optical Crossconnects and IP

  • From: Danny McPherson
  • Date: Sun May 14 17:53:31 2000


> I found this sentence to be quite instructive.
> 
> \begin{quote}
> In connection with link failures, we note that one could
> pre-compute a good weight setting for each possible link
> failure and have them ready for loading when needed.
> \end{quote}
> 
> That has some interesting operational issues, one would think, especially
> in large networks that are dense partial meshes, with associated link
> failure scenarios.

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.  

-danny





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