The distance vector routing algorithm is one of the most commonly used routing algorithms. It is a distributed algorithm, meaning that it is run on each router in the network. The algorithm works by each router sending updates to its neighbours about the best path to each destination.
Table of Contents
- What is Distance Vector Routing Algorithm?
- Advantages of Distance Vector Routing Algorithm
- Disadvantages of Distance Vector Routing Algorithm
- Applications of Distance Vector Routing Algorithm
What is Distance Vector Routing Algorithm?
Distance vector routing is a routing protocol that uses distance as a metric to determine the best path between two nodes. It is also known as the Bellman-Ford algorithm.
Distance vector routing is used in simple network topologies where the number of hops between two nodes is the primary metric used to determine the best path. In more complex network topologies, other factors such as link bandwidth and latency can be taken into account when determining the best path.
Advantages of Distance Vector Routing Algorithm
There major advantages to the distance vector routing algorithm are as follows:
- Distance vector routing is a routing protocol that uses the shortest path to a destination as its primary criterion. This algorithm is used in local-area networks, metropolitan-area networks, and wide-area networks.
- The main advantage of this algorithm is that it is easy to implement and does not require many resources.
- Additionally, distance vector routing converges quickly; it means that it can find an optimal route to a destination quickly after a change in network conditions.
Disadvantages of Distance Vector Routing Algorithm
There are a few disadvantages to the distance vector routing algorithm, as detailed below:
- First, it is not very scalable. This algorithm doesn’t work well in large networks because the amount of information that needs to be exchanged between nodes can become too great.
- Additionally, this algorithm can suffer from routing loops. This occurs when there is a change in the network, and incorrect information is propagated between nodes, causing a loop.
- Also, this algorithm can be slow to converge on a new route after a change in the network.
Applications of Distance Vector Routing Algorithm
There are a number of different applications for the Distance Vector Routing Algorithm. One common application is in computer networking, specifically in routing data packets. This algorithm is also used in some types of telephone switching systems. Additionally, it has been used in military applications to route missiles.
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