Question: 18. For the asynchronous Bellman-Ford algorithm of Figure 5.11, (a) if some of the links may have negative weights, what would be the impact on

18. For the asynchronous Bellman-Ford algorithm of Figure 5.11,

(a) if some of the links may have negative weights, what would be the impact on the shortest paths? Explain your answer.

(b) if the link weights can keep changing (as in the Internet), can cycles be formed during routing based on the computed next hop?

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