Networked networks shown as fragile

computer cablesYou’d think that networks that are linked to other networks would be more stable because they’d multiply their redundancy.  Wrong.  New research by BU physicists, published in the latest Nature magazine and discussed in Wired, shows just the opposite.  In fact, networked networks are more susceptible to swift, catastrophic collapse than are independent networks, said study co-author Gerald Paul, a BU research scientist.

“Networks with broad distributions are robust against random attacks. But we found that broad interconnected networks are very fragile.”

Contact Gerald Paul, 617-353-3411,

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