router worms and International Infrastructure

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Subnetwork specific worms? I only want to take down as1,
as2 and as3, for example, rather than a large-scale
'internet killer' outage.

Almost a year ago we had a crisis in Israel where something caused ONLY Israeli ISP clients to stop being able to use their DSL connections, and on the SAME DAY.

We believe it was a targeted worm.

Who said this can't happen? It already did. The biggest impact was the help desks being DDoS'd.


Sure, worms that take out enterprises or 'local networks' are alive and
well (slammer toasted hundreds of customer networks) Each ISP should (and
many do) plan for this sort of event and should be planning how to avoid
it as well.