# Distributed Bellman Ford Algorithm Quiz

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## 5 Questions

Least cost paths

### Which equation is used in the Bellman-Ford algorithm to compute the minimum cost from source x to destination y?

$d(y) = \min(d(y), d(v) + c(v,y))$

### What is the first hop in the Bellman-Ford algorithm?

One of x's neighbors

### What is the main idea behind the distance vector algorithm for computing least cost paths?

Using local calculations to compute global results

### What is the second broad class of routing algorithms mentioned in the text?

Distance vector algorithms

## Study Notes

### Distributed Bellman-Ford Algorithm

• The distributed Bellman-Ford algorithm is an example of using simple local intuitive distributed calculations to compute the same result as a centralized algorithm.
• The result being computed in this case is the minimum cost from source to destination.

### Bellman-Ford Algorithm

• The equation used to compute the minimum cost from source x to destination y is not specified in the text.
• The first hop in the Bellman-Ford algorithm is not specified in the text.

### Distance Vector Algorithm

• The main idea behind the distance vector algorithm is to compute least cost paths.

### Routing Algorithms

• There are two broad classes of routing algorithms mentioned in the text, with the second class not specified.

Test your knowledge on the Distributed Bellman Ford Algorithm, a beautiful and simple routing algorithm used to compute least costs paths in a distributed manner. Explore its concepts and applications in this quiz.

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