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In a network of LANs connected by bridges, packets are sent from one LAN to another through intermediate bridges. Sincemore than one path may exist between two LANs, packets may have to be routed through multiple bridges. Why is thespanning tree algorithm used for bridge-routing?
- a)For shortest path routing between LANs
- b)For avoiding loops in the routing paths
- c)For fault tolerance
- d)For minimizing collisions
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
In a network of LANs connected by bridges, packets are sent from one L...
The answer is B.
Since, in a spanning tree, there is a unique path from a source to the destination, which avoids loops, since it is a tree, and
contains all the nodes, since it is a spanning tree.
Since, in a spanning tree, there is a unique path from a source to the destination, which avoids loops, since it is a tree, and
contains all the nodes, since it is a spanning tree.
Most Upvoted Answer
In a network of LANs connected by bridges, packets are sent from one L...
Explanation:
Bridge Routing in LANs:
In a network of LANs connected by bridges, packets are sent from one LAN to another through intermediate bridges. Since more than one path may exist between two LANs, packets may have to be routed through multiple bridges. The process of moving packets across bridges is called bridge routing.
Loops in Bridge Routing:
One of the main challenges in bridge routing is the possibility of loops in the routing paths. Loops occur when packets are forwarded through multiple bridges and end up returning to the same bridge where they originated. These loops can cause network congestion, packet loss, and even network failure.
Spanning Tree Algorithm:
To avoid loops in bridge routing, the spanning tree algorithm is used. The spanning tree algorithm creates a tree-like structure that spans all the bridges in the network, ensuring that there are no loops in the routing paths.
Working of Spanning Tree Algorithm:
The spanning tree algorithm works by selecting a root bridge and then disabling all the redundant paths that would create loops. The algorithm then creates a tree-like structure that connects all the bridges in the network in such a way that there is only one path between any two bridges.
Benefits of Spanning Tree Algorithm:
The spanning tree algorithm provides several benefits for bridge routing, including:
- Loop prevention: The algorithm prevents loops in the routing paths, which can cause network congestion and failure.
- Fault tolerance: The algorithm provides fault tolerance by automatically rerouting packets through alternative paths in case of bridge or link failure.
- Efficient routing: The algorithm ensures that packets are routed through the shortest possible path between any two bridges, minimizing network congestion and reducing packet loss.
Conclusion:
In conclusion, the spanning tree algorithm is used for bridge routing to prevent loops in the routing paths and provide efficient and fault-tolerant routing between LANs connected by bridges.
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In a network of LANs connected by bridges, packets are sent from one LAN to another through intermediate bridges. Sincemore than one path may exist between two LANs, packets may have to be routed through multiple bridges. Why is thespanning tree algorithm used for bridge-routing?a)For shortest path routing between LANsb)For avoiding loops in the routing pathsc)For fault toleranced)For minimizing collisionsCorrect answer is option 'B'. Can you explain this answer?
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