It is ironic that the opening section in a chapter dealing with the configuration of a sophisticated and large network using BGP-4 should have to discuss the problems that the protocol has with managing the routing information across a large network. After all, BGP-4 was designed for use in the Internet, the largest network of all. In reality, it comes down to design and the truism that most things used inappropriately can be transformed from a life-giver to an instrument of death. Consider the drug insulin, which keeps many diabetics healthy and alive but that has also featured as the murder weapon in some very famous trials.
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