14.2. Traffic Engineering Perspective and its Relation to Network Robustness
In order to provide prioritization to different services under an attack or an overload condition, a key requirement is allocation of resources. For our discussion here, we will use bandwidth as the resource. While theoretically any network can be overprovisioned to the point where such resources are unlimited, from a practical perspective, this is not so. There are two important issues to consider: (1) the cost of overprovisioning can be prohibitive and (2) a sudden surge in traffic due to a number of events (legitimate or otherwise) can overwhelm a network to the point where it becomes nonfunctional or poorly functional. The first issue can be addressed somewhat by ...
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