I work on a very non-SP team (enterprise, tactical, servers etc) and we were discussing the potential implications of something like this:
I imagine that there are places where physical infrastructure is single threaded, such that it would be relatively easy to cut off internet access to an entire region (e.g. Crimea). Similarly, if a region is logically bottle-necked by design, you could manipulate BGP at a couple key points and significantly degrade or completely block connection to the rest of the world.
But when you're considering large regions with diverse and redundant physical transport (e.g. North America to Europe), am I right in thinking that it would be almost impossible to cut off the connection between, for example, Germany and New York? If I have a circuit from location A to location B with a CIR, I assume that the SP is just putting our traffic on an MPLS network that could probably survive even if every Transatlantic cable were severed (by rerouting through Asia/Pacific/West Coast etc)?
Ultimately, just trying to temper some fear/uncertainty/doubt among non-technical leaders here.
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