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"In our simulation, every AS is running simultaneously and independently, so storing the full routing table for each AS requires many terabytes of RAM by itself."

i must be missing something - why do the tables consume terabytes of memory?

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A single BGP routing table does not. A full table, multiplied by the number of unique autonomous systems however, can quickly reach that size.

It looks like a full table can often be stored in around 150MB.

So 60 000 AS would give around 9TB

thanks folks, that makes more sense.

do you have a source for the ~150MB figure?

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