Feature #9: Update Configuration
Understand how to model network router configuration updates as a grid traversal problem and apply Breadth-First Search to determine propagation time. Learn to optimize with in-place updates and delimiters, improving both time and space efficiency for network update simulations.
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Description
We have a network topology in which several network routers are interconnected in a rectangular grid. A router has four neighboring routers: and . A router transmits a configuration update control message to its 4 directionally adjacent neighbors in response to a configuration change. The routers exchange control messages with their adjacent neighbors at one-minute intervals.
A router accepts the configuration change only if it receives a configuration update from its four ...